SACS 5.3 Enhancements

Copyright 2012 by Bentley Systems, Inc. Version 8.0

SACS RELEASE 5.3.1 V8i OVERVIEWIn this manual, API RP 2A-WSD twenty-first edition December 2000, Errata and Supplement 1, December2002, Errata and Supplement 2, September 2005, Errata and Supplement 3, August 2007, is herein calledthe current API edition".

1.0 SACS Release 5.3.1.21 V8i Overview

SACS 5.3.1.21 implements the following enhancements and bug fixes

Silent install capabilityELS Usage TrackingDatagen

Fixed English units display problemCollapse View

Fixed selection issue in the Graph/Define Axes Settings dialog

1.1 SACS Release 5.3.1 V8i Overview

SACS 5.3.1 V8i is an feature equivalent version of SACS 5.3 Service Pack 2 with the exception ofPrecede (bug fixes and enhancements) and Dynpac which contains a bug fix. The main objective of thisrelease is to transition to Bentley's SELECT licensing system.

SACS 5.3.1 V8i (SACS 5.3 SP2) contains numerous updates to the redesigned Precede which now includesPostvue display capabilities for members and plates. A new Report Generator module which allows the usersto extract results from the common solution file and generate reports has also been added.

2.0 Module Versions Numbers

Program Description VersionCollapse Non-Linear Plastic Analysis 6.1.3.4Combine Combine Post file Utility 6.1.3.3Dynamic Response Dynamic Response Analysis 6.1.3.3Dynpac Eigen Vector/Value Extraction 6.1.3.3Fatigue Fatigue Damage/Life Analysis 6.1.3.3Flotation Flotation & Upending Analysis 6.1.3.3Gap Non-Linear Element Analysis 6.1.3.3Global Loading Global Loading Analysis 6.1.3.3Joint Can Tubular Connection Check 6.1.3.3

SACS Enhncements file:///C:/Program Files/Bentley/Engineering/SACS V8i/docs/enhancemen...

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Large Deflection Large Deflection Analysis 6.1.3.3Launch Launch Analysis 6.1.3.3Material Takeoff Material Takeoff Analysis 6.1.3.3Pile Single Pile Analysis 6.1.3.3Post Element Stress and Code Check 6.1.3.3Pre-Processor SACS System 6.1.3.4PSI Pile/Soil Interaction 6.1.3.4Report Generator Generates User Defined Reports 6.1.3.2Seastate Environmental Load Generation 6.1.3.4Solve SACS Solver 6.1.3.4Super Element Super element Utility 6.1.3.3Tow Transportation Inertia Load Generation 6.1.3.3Transportation Motion and Stability Studies 6.1.3.3Wave Response Wave Response Analysis 6.1.3.4

2.1 Interactive Program Modules

Program Description Version

Chart Viewer Plot and Chart Utility 6.1.3.2Collapse View Interactive Collapse Results Viewer 6.1.3.3Data Generator Input Data Generator and Viewer 6.1.3.3Executive SACS System Front End 5.3.3.2Interactive Fatigue Interactive Fatigue Post Processor 6.1.3.3Postvue Interactive Post Processor 6.1.3.2Precede Interactive Modeler 6.1.3.6

Ring Roak Ring Analysis 6.1.3.2

Prevue Plot Utility 6.1.3.2

2.2 Interface Modules

Program Description Version

PDMS Converter Model file to PDMS Macro Converter 6.1.3.2

Sacs to Femsys SACS to FemView Interface 6.1.3.1


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SAT Converter Model file to SAT Converter 6.0.0.2

SDNF Converter Model file to SDNF Converter 6.1.3.1

2.3 Utility Program Modules

Program Description VersionDamage Center Scatter Diagram Damage Center Utility 6.1.3.2

Free Body Free Body Analysis 6.1.3.3

List File Converter Output Listing File Optimizer 6.1.3.2

Joint Mesh Joint Meshing Utility 6.1.3.3

Probability Statistical Analysis 6.1.3.2

Ring Batch Roak Ring Analys 6.1.3.2

Rigid Rigid Body Analysis 6.1.3.3

3.0 Details of Program Enhancements and Corrections

Chart Viewer

Release 5.3 Enhancements

Added the ability to send chart data to Microsoft Excel

Added the ability to dynamically create a chart in Microsoft Excel

Added pile data to relevant charts

Added the ability to merge two or more charts into one chart

Added the ability to copy and past data from the chart data view

Added Auto Format option to chart data settings

Release 5.3 Corrections

Corrected problem where Chart Viewer terminated abnormally on opening certain chart files

Corrected problem where Chart Viewer stopped responding when opening certain chart files

Corrected a problem where the Chart Viewer would not set the scale properly on soil files

Corrected problem where Chart Viewer generated errors on opening certain NPF files.

Collapse


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Release 5.3.1 V8i (Service Pack 2) Corrections

Corrected a problem where the pile increments were not restricted to elastic when the inertialproperties defined by the user did not match the calculated values based upon the cross sectiongeometry.


Updated joint strength calculation to take into account Norsok Code. Introduced MEMSKP andGRPSKP lines to prevent local buckling checks for specific members and groups.

Included MEMREM line to remove a members stiffness at a given load increment.

Added MEMDUC line to override a members ductility limit.

Added the ability to define member indentation energy limits on the IMPACT line.

Added multiple impact load conditions on the IMPACT line.


Corrected a problem reporting reactions for models with large numbers of constrained joints. The AC option in columns 54 to 55 of the CLPOPT line was introduced to obviate incorrectintermediate loading of elastic members.

Corrected a problem which restricted the sub-area stress reporting.

Corrected a problem with super elements which caused the program to terminate.

Corrected a problem with user defined super elements which were leading to incorrectperformance.

Corrected a problem where the units for torsional spring rates for piles were being displayedincorrectly.

Corrected a problem where the joint strength inclusion report for the BSSEL input line waserroneously labeled as an exclusion report.

Corrected an issue where the allowable stresses for the Norsok joint check were being incorrectlyreported.

Corrected an issue where the yield strength overrides were not being used for joint strength checkcalculations.

Corrected a problem where the plate shear stress was being reported incorrectly.

Corrected a problem with the BSSEL line in which unnecessary braces were being selected forinclusion.


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Collapse View


Post-impact energy graphs now available in Collapse View


Corrected a problem on running the Special History Report for the second time in a CollapseView session, wherein all members were described as 'unloading' on the first load step.

Corrected a problem in which the Display Plane location was not detecting the location of theclicked joint. Corrected an issue where spurious descriptors were being displayed in the special event historyreport.

Corrected a display problem involving overly thick lines.

Corrected a problem involving incorrect display of members when resizing a window.

Combine


Corrected a problem associated with combining two common solution files from dissimilarmodels.


The combine module has been enhanced to handle the combination of multiple common solutionfiles.

The primary file is no longer restricted to the file containing the larger model when combiningresults of dissimilar models.

The combine module has been enhanced so that the restriction on the order of placement ofcommon members and joints in each input files for dissimilar models no longer applies.



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Corrected problem with tapered section in segmented members.

Corrected the problem where code check options AA and AL were not being transferred tothe combine common solution file

Corrected a problem where the AMOD information was missing from the CSF file when AMODSwere defined without a header line.

Data Generator


Added the ability to view soil data in the chart viewer by right clicking the soil table.

Includes update to Fatigue FTOPT3 record.

The Datagen data and help files have been updated for the Tow RAO record. The term `WaveHeight' has been changed to `Wave Amplitude' as is stated in the user's manual.

Included information for the FTOPT2 record concerning the use of the water depth and mudlinelocations for the welder joint curves in the current API edition.

The input units for end bearing capacity for ROCK on the APIAXL SLOC line for PSI have beencorrected to KSF, kN/cm**2,kg/cm**2.

SPAN and CODE lines have been added to model data.

BRCOVR line has been implemented for Joint Can

EFTOPT line has been implemented for Fatigue.

SACSIV `OPTIONS' Line code check now has Eurocode 3

General extension of line acceptance to current standards.

Added support for report Generator function

Dynamic Response


Corrected a problem where the program hangs for ice vibration analysis with particular ice sheetconditions.


Added energy plots for ship impact and dropped object analyses


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Changed weight input from short tons to kips in dropped object analysis with English units.

Added ability to pass basic load cases when equivalent static loads are created for use insubsequent load combinations or collapse load sequence.

Increased the number of significant digits for applied and inertia equivalent static loads toimprove accuracy for dynamic loads with small magnitudes or applied to large surfaces.

Added the ability to plot load summation for various time increments to show accuracy lost byincreasing output load time increment.

Added a feature to generate plot files for periodic vibration analysis.

Added a feature to report total forces time history in X, Y and Z direction resulting from forcedtime history analysis.

Dynamic ship impact and dynamic dropped object transient response output for both linear elasticand elasto-plastic analysis.

Equivalent static loads include maximum/minimum vertical load option.


Corrected a problem where LOADC lines in the model file were being ignored.

Dynpac

Release 5.3.1 V8i Correction

Program does not complete analysis. This happens when the model contains springs and a large number ofjoints and a certain number of DOF.

Release 5.3.1 V8i (Service Pack 2) Enhancements

Added mass and entrapped mass calculations for submerged stiffened box sections.

Enhanced program to support contingency factors on load cases converted to mass and also forincluded weights.

Release 5.3 Correctiions

Corrected a problem where LCSEL DY and LCFAC DY for the same common set of load casesdid not work together and produced different conversion of loads to weight values.

Executive


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Improved overall functionality for dynamic analysis.

Added report generation capability using the SACS Report Generator module


Standardized the presentation of analysis options so that the same Analysis Options screens areused throughout the Analysis Generator.

Added ability to Create Damage Center Report when right clicking on Fatigue input file.

Double click a file with no File ID now opens the file in the editor.

The rows in the table reading "SAT Files" and "Encapsulated Postscript Files" formatted the sameas "Export Settings.

Updated options area so that GAP option s in the Executive are not available if Gap input file isused.

Updated default file names for dynamic response analyses to use program abbreviation forDynamic Response instead of Earthquake.

Added the ability to run Combine on multiple solution files.

Updated input file default setting so that use of input file rather than specifying options in theExecutive is default.

Program now identifies copies of SACS files.

Updated so that program remembers the location of the Analysis Progress dialog.

Analysis Summary dialog enhanced to be pinned to the Analysis Generator to which it applies.

Updated drop down menus to match Legacy Executive more closely.

Updated error messages to give better explanation of the problem.

Program now recognizes files named using customized program/file type labels as well as thedefault labels.

Analysis generator left column double click functionality now matches the default drop downmenu item like legacy Executive.

Updated to check if Analysis Progress dialog is off of the screen display area and moves it so thatit can be seen.

Updated Analysis Generator to show file path when selecting the row with the file name shown.

Enhanced the File Explorer area to update when file name, size, date, etc. changes are made.


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Updated program to check for the existence of SACS interactive modules before attempting tolaunch and provide appropriate error message if program is not found.

Changed File ID filter to exclude .run and .runx to avoid confusion by creating non run files withthese extensions.

The Executive 5.3 has been enhanced to provide significant advantages over the LegacyExecutive including, complete new look and feel, dockable windows allowing users to rearrange theinterface to their preference, the ability to revise analysis options without the regeneration of thecomplete run file, user defined partial run file templates, enhanced analysis type layout, drag and dropmulti-run file setup features.


Updated program to send the actual file name to the interactive programs instead of the short filenames.

Corrected problem where new solution file name was not recognized if changed when creatingstatic analysis run file

Corrected default file name when creating Gap run file.

Corrected problem when existing files are not deleted is there is a space in the filename or path.

When updating file ID in an exiting run file, the file ID is now updated in the run file name also.

Chart View program opens NPF files when opened from the Error log.

Corrected problem in fatigue when files were requested in the wrong order and requestingunneeded section library file.

Corrected file naming problem for PSI, PILE and standard static analysis solutions files fromWave Response transfer function.

Corrected problem in Forced time history or forced time history with collapse, where clicking onthe DYR button a blank screen without any options appeared.

Corrected a problem in Global Loading run where solution file was not requested.

Updated Analysis output window so it does not trim leading blanks which was causing columns tobe misaligned.

Corrected the joint can code option so that code used matches the code selected when specifyingin Analysis Options.

Corrected problem where analyses were terminated when attempting a second run after the initialrun.

Corrected problem where Solve could be unchecked in PSI analysis then could not be reactivated.

Corrected issue with saving Analysis Output pane that it was not saved properly.


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Corrected issues with the multi run feature to ensure runx file extension is added and addedprompt if file name already exists.

Corrected problem with Seastate input file path when selected from the Analysis options.

Corrected Spectral Earthquake analysis set up with Postvue database generation to prompt fordatabase name if one is not specified.

Post run corrected to create new solution file if extract options are designated on PSTOPT line.

Corrected issue where files designated as not kept where not deleted.

Corrected Gap run file to run properly where gap elements are defined in a Gap input file.

Corrected to prompt for Post input file when Use Post Input file option is on.

Corrected file name issues when importing into Femview.

Issue where checking Execute Element check in the options was not activating the Post processorhas been corrected.

Corrected run file template issue where *.load files were being removed.

Corrected Post Launch run file to only prompt for Post Launch input instead of both Post Launchand Launch input.

Corrected issue where spectral wind fatigue input file created used same name as the DynamicResponse input file.

Standardized method of sending path to interactive programs so that files from directories withlong paths can be opened.

Corrected problem where super element created could not be used in subsequent runs and gaveerroneous error message file from a version earlier than 5.2.

Corrected problem where files saved on the Desktop in Vista were not being shown.

Corrected issue in File Explorer area where directories were no recognized after copying.

Executive Legacy


Included equivalent static load generation options for collapse and linear elastic analysis fordynamic blast analysis.

Included equivalent static load generation options for collapse and linear elastic analysis fordynamic earthquake time history.


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Included dynamic ship impact feature including equivalent static load generation options forcollapse and linear elastic analysis.

Added the ability to specify model weight contingency in the Analysis options when extractingmode shapes.

Updated the collapse equivalent static load generation option to handle the collapse input file forblast and ship impact.

Updated to allow the user to run Post, Joint Can or Postvue when running a wave responseextreme wave analysis where the EQS loads are to be solved.

The runfile no longer stores the name of the runfile inside the runfile itself. In the past, if therunfile name was changed in Explorer, the old name was still included inside of the runfile. Thereforewhen executing the runfile it created a copy of the old name.

Added support for the new combine program which allows combining of more than two solutionfiles.

The worksheet now displays the filename and date when executing a runfile.

Added fatigue extract option to the Analysis Options so that extract files can be created withoutmodifying fatigue input.

Included the ability to create both chart files and neutral picture files.

Added a Chart Viewer to the utilities pane and implemented chart file type.


Executive no longer runs combine when equivalent static loads are generated in DynamicResponse runs.

Corrected Random waves retrieval process when run as separate step so that neutral picture filesare not overwritten.

Program updated for Combine so that a secondary solution file is requested if a secondarysolution file is designated on the DIRECT or LCAS lines.

Corrected a problem with the listing file optimizer where errors where not being shown in theerror log.

Damage center utility now works when using a dedicated analysis server directory.

SE creation and extraction now runs when using a dedicated server directory.

Corrected a problem when new project is created but no worksheet file is given, got error messagethat c:\path is an illegal filename.

Corrected a problem where some of the demos did not run when right clicking and selecting run.


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Fatigue


Added DNV C203 2008 inline tube SCF option 'DN3' where the value for beta is a function ofD/T1 instead of being treated as a constant value of 2.5.

Enhanced program to allow user defined misalignment ratio, maximum out-of roundnessallowances and thickness transition slope associated with in-line tubular SCF calculations for theDnV-RP-C203 2005(DN2) and DnV-RP-C203 2008 (DN3) codes by defining these parameters on thefTOPT3 input line.

Service Pack 2 Corrections

Corrected a problem where the ring stiffened SCF factors at the inner edge locations wereincorrect.

Corrected a run timer error that occurred for members having stiffened cylinder sections.

Corrected a problem where the 'NSC' option to remove short can effects was being ignored whendefined on the CONRST input line.

Corrected a problem where the MODSEL line did not function for wind spectrum fatigueanalysis.


Updated inline SCF override to apply to cones.

Added SCF overriding feature for BOX members, using new CONSBX line to override SCF ateach stress component.

Changed default validity check option when parameters are outside range of validity forEfthymiou SCF to use the maximum SCF determined from actual parameters and the limitingparameters. The default was to use the actual parameters to determine SCF without consideringlimiting parameters.

Implemented all the S-N curves based on ISO 19902 Section 16.11.1.

The Damage Center module now supports user defined S-N curves and the current API editionS-N curves.

The simplified Double Peak Spectrum based on Toresthaugen paper has been implemented.

Included API 21st Edition Supplement 2 & 3 S-N curves


Corrected the inline fatigue analysis for cones that was using the average cone areas and momentsof inertia in the stress calculations.


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Flotation/Upending


Corrected a problem with load case dependant density input where the density defined in the lastLCSEL line was overriding the density defined in the previous LCSEL lines.


Updated tank buoyancy calculation for improved accuracy.

Enhanced to include simulated launch from quay where structure supports include land, tanks,etc.

Added the common weight features from Seastate to the Floatation module.

Gap


Corrected problem where program terminated when model contained too many plate paneldefinition in Plate Group lines.

Interactive Fatigue


Enhanced the program to support the "NT-S" S-N curve.


Corrected a problem with user defined S-N curves.

Corrected a problem where the effective thickness of a double skinned tubular member was notcalculated in accordance to the current API code check.


Simplified Double Peak Spectrum based on Toresthaugen paper has been implemented.


Corrected problem with CONSCF-Connection Overrides when leaving SCF blank, default valueof 5 is now assumed.

Correct Wave Spectrum value where value was 4 times bigger than the actual values because ofdifference of significant wave height.


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Corrected a problem where interactive fatigue predicts different damage values from thosereported in the fatigue program listing file for a large number of transfer function load cases.

Joint Can


Added a code check for fully grouted joints in accordance to the current API code check

Added an option to use the earlier API 21st Edition strength check formula (pre supplements 2and 3) in the current API code check.

The UC order joint can detailed report now lists the effective chord length for NORSOK and ISO19902 code check options.

Enhanced the program to remove the safety factor from the Qf calculations when performing thecapacity check associated with the API option.


Corrected the problem to allow the user to modify the effective thickness in column 33 of theJCNOPT line for API WSD 21st Edition code check.

Corrected the problem where the GAP MAX and MIN values defined on the JCNOPT line didnot function correctly when set to 0.0

Corrected the problem where the effective can length Lc was being reported in the list file forjoints without thickened cans.

Corrected the problem where the chord length was being reported incorrectly in the list file for current edition of API WSD code check.

Corrected a problem where the strength unity check was being reported for the 'EQK' joint canoption.

Corrected a run time error for cylinders with stiffened cross sections.

Corrected the problem in the joint can redesign report where the "after redesign thickness" wasbeing reported incorrectly for the current edition of API code check.


The default API option changed to API 21st Edition with Supplement 1, Supplement 2 andSupplement 3.

Code check ID's "API" and "EQK" now correspond to the current API edition. Code check ID's


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"API21" and "EQK21" correspond to API RP2A 21st Edition.

Total can length calculation for API 21st Supplement 3, ISO 19902 and Norsok codes wasexpanded.

ISO 19902 code check of connections of Tubular and Conical members was implemented.

An amendment to the API LRFD RP2A 1st Edition code has been added as suggested by Shell.

Added a code checks for overlapped joints (uni-planar) in accordance with the current APIedition.

Added a "LOAD THROUGH CHORD REPORT" for the current API edition.

VALIDITY RANGE CHECK REPORT has been added the current API edition and also forNorsok code of practice

The Norsok Joint Can code check has been upgraded to Norsok code of practice.

Added joint can strength check in accordance with the current API edition.

Modified "JOINT CAN SUMMARY (UC ORDER)" report to include strength unity check in thesummary report irrespective of the user selecting the "MEMBER STRENGTH JOINT ANALYSISREPORT".


Corrected the problem where the axial allowable stress was incorrectly increased when thethickness of "thickened can" happened to be smaller than the "Nominal Thickness" for the currentAPI edition, Norsok, and SHELL API LRFD codes of practice.

Corrected the "SKIPPED MEMBER WARNING" report in which the number of skipped memberwas reported incorrectly under certain circumstances.

Corrected the problem where the user defined SCFs were not correctly read for a "SimplifiedFatigue" analysis with the USR option.

Corrected the problem where "UC ORDER JOINT CAN DETAIL REPORT" was incorrect if the'MX' option was selected for the UC order report and the joint order report was not selected.

Joint Mesh Utility

Launch


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Material Take OffRelease 5.3 Corrections

Corrected weight calculation for groups when the density on GRUP line was different fromdefault density.

Motion/Stability


Corrected the problem where a mismatch in files for multiple cargos produced the same loadsummation for each cargo.

Pile/Pile3D


Added T factor and Z factor on TZAPI header so that soil capacities can be factored easily.

Included the LTDFL line for the plotting of lateral load vs. deflection for a given pile.


The pile capacity vs. length plots have been corrected in order to avoid an increment mismatchthat produced spurious looking plots.

Corrected a problem in P-Y Curves where a user input value for P as an integer rather than realwas being interpreted 100 times smaller.

Corrected a problem for the Canadian code check where the program would stop if the stressenvelope plot was selected and would report an infinite unity check if it was not selected.

Post


Added the boxed plate girder section 'PGB' to the AISC 13th Edition code check.

Added grouted and dented tubular sections to the ISO 19902 code check.


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Added new options to locate the most critical (maximum UC) location along a member via the'CT', 'CO' stress options.

Modified the method to find the maximum local stress at cone-tube junction for the NORSOKcode (the method is now in line to that used for the ISO 19902 code check).

Added a report for wide flange and plate girder sections for the ISO 19902 code check.


Corrected problem where a section ID belonging to a member in the section library was not beingrecognized when a POST input file was being used.

Corrected problem where the critical condition of a non-tubular member being reported directlyafter a tubular member was incorrect for the AISC 13th 2005 code.

Corrected problem where the critical condition reported for a bending only case was incorrect forthe ISO 19902 code.

Corrected problem where the load factor for hydrostatic pressure was not accounted for in thehydrostatic collapse analysis.

Corrected problem where the hydrostatic collapse report was incorrect when the MEMB linecontained output stress point overrides.

Corrected problem where the unity checks reported in the hydrostatic collapse were incorrect forthe 'AA' code check option.

Corrected problem where the ring redesign in the hydrostatic collapse report was incorrect forunity checks less than 1.0

Corrected problem where the ISO 19902 code check option was not functioning in the POSTinput file.

Corrected problem where an error was being generated if a tapered member was included in theSPAN line.

Corrected problem for the 'JT' option where the stress point being reported in the element detailedreport corresponded to a location within the joint thickness.

Corrected problem where the option in the Executive to "Include joint displacements only" in thePostvue database did not work.

Corrected problem where the imperfection factor input on the HYDRO2 line was not beingapplied for API 21st WSD and ISO 19902 code checks if the ring spacing was infinite.

Corrected problem where the wrong minor axis bending allowable stress was being reported forTEE sections using AISC 13th 2005 code check.

Corrected a report title in the POST list file.


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Corrected problem where the wrong major axis bending unity check was being reported for anANGLE section using the NS3472 code check option.

Corrected problem where the program stopped when a user requested the "Concrete SlabAllowable Summary Report"

Corrected a problem where the hydrostatic collapse report contained wrong results for conicalsections when they were defined as a separate members with the "INF' ring spacing option.

Corrected a problem where the bending allowable for a PLG section was being overestimated forthe case where the flange was treated as non-compact and the web was treated as a compact section.

Corrected a problem where Cb calculation option 'B' was not being read from the POST input file.

Corrected a problem where the stress calculations were wrong at a conical section located withina non-prismatic member with joint thickness options 'JT' or 'CT'.

Corrected a problem associated with the ISO 19902 code check where the hydrostatic hoop stresswas incorrect.


ISO 19902 code check of Tubular and Conical members was implemented.

Modification was made on the span summary report of MAX span deflection when using CSFafter running "Collapse".

The information on the WDEPTH and WHEAD input lines in the Post input file is now passed onto the Postvue Database.

SPAN line information in the POST input file is now passed on to the Postvue Database.

RFLRFD input line can now be used for the AISC 13th Edition code of practice.

The Boxed in Plate Girder section has been added to the Danish code of practice.

The GRUP input line now supports ring stiffener spacing for the Norsok code of practice.

Load Factor input for the API LRFD and NOSOK codes has been added to columns 23-27 of theHYDRO2 input line.

The unity check critical condition description has been reorganized and improved for the Norsokcode of practice.

The AISC 13th Edition code checks for plates, shells, and solids have been updated to use the Ftfactors for the Von Mises stress Unity Check.

Stiffened and unstiffened panel check is added using DnV-RP-C201.


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Corrected problem for Hydrostatic Collapse report of Norsok code check, Eq. 6.41.

Correct shear stress calculation on boxed plated girder.

Material factor calculations for conical sections have been changed to reflect the Norsok code ofpractice.

Corrected the problem where the stress value in the Element Stress Report at Max UC reportwas incorrect when the JO option was used for segmented members.

Corrected a problem for the AISC 13th Edition code of practice where the Euler buckling stressfor tubular members was factored in accordance to this code. Post now reports the Euler bucklingstress for tubular members in accordance with Current API Edition.

The bending allowable stress for Non-Compact WF sections has been modified for the AISC 9thEdition code of practice.

Corrected a problem where the REAC line output was not correctly passed to the POSTSupplemental file.

Corrected a problem where the incorrect length was being used to determine the compactness of abox section in accordance with the AISC 13th Edition code of practice for cases where theunsupported length Lb was not defined.

Corrected the issue where the program did not find the correct hydro collapse critical conditionfor conical section in accordance with the API LRFD code of practice.

The Post module now uses the correct value for Zbar (E- dimension in the SECT input line) basedupon the cross section dimensions for a user defined T section.

The Cm values for tubular sections have been corrected for the AISC 13th Edition (AA option) tothe current API edition code of practice.

Euler unity check ratios have been corrected in the Element UC Components report for AISC9th and the current API edition code of practice.

Corrected a problem where incorrect critical conditions were being reported with respect to thecurrent API edition code of practice for members having zero axial load.

Postvue


Enhanced the member detailed report for box sections using AISC 9th Edition code check. The


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report now includes effective width, effective height and effective stresses.

Added member detailed report for PGU section using AISC 13th 2005 code check.

The joint check earthquake option has been added under "Joint Can Settings" in accordance toAPI RP2A 21st (2000) Edition.

Member Review has been enhanced for the Danish code check to include the unity checkcontribution shear stresses in tubular members.

Member Review has been enhanced for the Danish Code check to report the web/flange bucklingstress and the corresponding unity check for cases where the buckling unity check controls the design.

A plate "Stress Detail" report has been added to report stresses at center of plate.

The "Plate Stress Summary" and "Max Stress" Reports have been enhanced to include the plategroup name and the maximum Von Mises stresses.


Corrected problem where an error occurred after operations "File/Plot" followed by "Cancel" forMoment and UC diagrams.

Corrected problem where the UC diagram for a segmented member was incorrect.

Corrected a problem where an inappropriate color was being used to draw joint symbols when thebackground and foreground color was set to black.

Corrected problem where an error occurred after operations "File/Plot" was followed by "Cancel"for Moment and UC diagrams.

Corrected problem where views defined in the 5.3 Precede were not being recognized by Postvue


Corrected problem in Member Review where the effective length factors Ky and Kz wereincorrect for an X brace when the lateral brace was in tension.

Corrected problem in Member Review where the effective length factors Ky and Kz could not bemodified if they had been initially set to 1.0

Corrected problem in Member Review where the buckling lengths Ly and Lz were reportedincorrectly when Ky and Kz on the group line were not set to 1.0

Corrected problem in Member Review where the code check ID and the critical formula werebeing displayed incorrectly for non-tubular sections when the 'NS' code option was used.

Corrected problem in Member Review where blank section entries were being displayed underthe section label list.


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Corrected problem where the AISC LRFD code check version number was being displayedincorrectly under member review.

Corrected problem where an incorrect load case name was being displayed underDisplay/Labeling/Load dialog tab when the number of load cases exceeded 1000.

Corrected problem in reading the internal force database when the number of load casesexceeded 1400.

Corrected problem in Review Joint where the joint strength capacity was being displayedincorrectly when a brace was composed of multiple segments.

Corrected problem in Review Joint where a joint connected to more than 2 members was notallowed,

Corrected problem for metric units where the unit conversion of chord yield stress override wasincorrect under Joint/Joint Can Settings.

Corrected problem where units of internal forces were incorrect in the member detail and membersummary reports for the 'ME' units setting.

Corrected problem for 'ME' units where the shear force value was being displayed incorrectly inthe member moment diagram.

Corrected problem where hot Up and Down keys did not function for the operationDisplay/Rotate/Animation

Corrected problem where the hot key for Display/Shape was not working correctly.

Corrected and modified some hot keys for Report/Member /Summary Report.

Corrected problem where where the UC diagram was incorrect for the AISC 13th 2005 codecheck for cases where member distributed load started at 1/4 or 1/2 member length.

Corrected problem where the UC partition summary report was incorrect for multi-segmentedmember.

Corrected problem where the command window was being displayed on launching Postvue.

Corrected problem where member selection by clicking on the screen was not functioningproperly.

Corrected problem exporting plots to NPF format.

Corrected problem in Member Review where the unity check reported for a tapered elementdiffered from that reported in the POST listing file.

Corrected a unit conversion problem in Member Detailed Report for stiffener spacing of a PLGsection.



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Corrected a formatting problem with the "List of Load ID's" report.

Corrected problem where the load summation report was incorrect when a chord angle wasdefined on the MEMBER line.

Corrected problem where the wrong Cmy and Cmz values were being reported under memberreview for Class 3 API and AISC 9th code check options.

Corrected a problem where the wrong chord thickness was reported in in the joint can reviewwindow for cases where the brace diameter was the same as the chord diameter and the bracethickness was greater than the chord thickness.

Corrected a problem where the Euler buckling capacity was reported incorrectly for a taperedmember.

Corrected a problem where the joint fixity 'F' was not recognized in the joint reaction report.


Joint Can settings: code check ID was set automatically identical to that in JCNOPT line.

A "Brace Override" box is added, and the Min Can extension length option is modified.

Added Forces and Moments in "Report" of Member Review.

Included critical stress cases of type a, b, or c for DANISH code, DS412, in "Member Review".

A new detailed member code check report has been added to the Member Review dialog box,The following codes are available in this report: AISC 9th Edition, the current API edition, andNorsok code of practice. The following cross section types are supported for this report: Tubular,Conical, Wide Flange, Plate Grinder Prismatic, Box, Channel, Angle and TEE.

A new detailed joint can report has been added to the Joint Review dialog box for the currentAPI edition and the Norsoc code of practice.

A Plate Maximum Stress report has been added for plates. The report lists the maximum stressat the center of each plate and also the corresponding load condition. The following stress values arereported: membrane stress along local X and Y axis, bending stress about the plate the local x and yaxis, combined principal stress, maximum shear stress, Von Mises stress.

The effective length factors used in the POST input files are now reflected in the MemberReview dialog box.

Postvue now accounts for the x and K brace definitions on the MEMB2 line.

Plate stress labeling has been improved to include:

The MAX and MIN value of membrane stress in the plate local x and y directions for stresscontours plots.

Both the plate stress and the plate name can be plotted on the screen simultaneously.


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The Review Member report now reports the shear stress, including torsional shear stress, inprismatic sections for the AISC 9th Edition Code Check.

The Review Member report now lists the Gamma M and E resistance factors for the Danishcode check.


Corrected problem for Member Review when there code check option is not selected.

Corrected problems in Member Review for NPD code check on "Non-Tubular" members whenusing "NS" as code ID where the Euler, Bending allowable stresses, etc might be incorrect.

Corrected the problem that Postvue database could not be opened when defining solid group,SLDGRP, and shell group, SHLGRP in model.

Corrected problem that Postvue database was not created when there were plate panels wereincluded.

Modified the character size related to the screen resolution; the TITLE labeling in member'smoment diagram, UC diagram, deflected shape print, and plate stress contour was adjusted to avoidmissing them under some resolution.

Corrected the problem that Joint Symbol and Name could not be seen when background was setwhite.

Corrected the problem that Postvue database could not be opened when LEGs and PILEs on ajacket were defined in new Precede.

Corrected some incorrect unit printed in joint can review and detail joint can analysis report.

Corrected Cmy, Cmz values for Eurocode3 and Norsok in Member review and Group Summaryreport in the listing file.

Corrected section property calculation of PGD in "Member Review->Recalculate", such that Iyand Iz are identical to those in Pre and Post.

Corrected the problems associated with the JO option on the OPTIONS line where theElement Detail Report and the unity check in the Member Review dialog box were incorrect forsegmented members.

Corrected a plate labeling problem where the plate stresses were reported for the last load caseinstead of the maximum stress for a given load case.

Corrected the problem where the section property names were not included in the MemberReview dialog box.

Corrected the problems associated with the MEMBER FORCE AND MOMENT REPORTwhere combined load cases were occasionally missing and the MGRPSL and MEMSEL lines in thePOST input file were not included.


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Corrected the problems with the Moment Diagram: plots to include combined loads andconcentrated moments.

Corrected the problems with the Moment Diagram plots where an incorrect diagram wasproduced for distributed loads with zero starting magnitude and non-zero starting distance along themember.

Corrected the problem where the moment diagram was not being plotted if the CMB option wasused on the LDOPT line

Corrected the problem where the Review Member operation caused the program to crash onreviewing wide flange and box section members for the EUROCODE 3 code check.

Precede

Release 5.3.1 V8i Enhancements

Added Report button to Member Details dialog.

Added a report that list the changes made to a model since last save.

Concentrated member load not easily seen : Concentrated member loads should have a circle with an "X"similar to concentrated joint loads.

Change the default "apply overrides for all segments" to checked.

Release 5.3.1 V8i Corrections

Precede not deleting the correct section label when deleting the first segment of a multi-segmented GRUP.

Display/joint/member selection resets the joint selection.

Automatic joint design : If members coming into a joint have the same OD, and two members form a linethose members are the chord, even if those members has a smaller thickness.

Join/member dialog box exclude : loading a list of members into the join/member dialog box to exclude will notremove the members from the screen.

Load/pressure/member area : precede is not applying a pressure when some of the members have axialoffsets.

Tolerance not consistent with MN as units : If a model is in metric units, the tolerance on the display/plane is0.1m and the tolerance on the load/pressure/member area is 0.3048m.

Deleting a load condition being displayed crashes Precede.


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Precede not resetting the labeling after selecting the Active Isometric button.

Translate/Rotate not accepting negative factor for scales.

Precede is not highlighting all the corresponding weights on the screen when selecting a weight group usingweight/display-modify.

Precede will not allow the user to define member sections into the model with names that are in the sectionlibrary.

When creating a xbrace and there is an existing center joint, precede will use the center joint, but the physicalmember description will use a different joint.


Improved graphics rendering performance.

Groups that are selected in the "Overrides" list are now highlighted.

Error message is displayed if user tries to add more than 40 boundary joints and the joints are notadded to the list.

T and R Duplicate operation now allows the joint increment number to be negative.

The Postvue display capabilities for members and plates have been added.

The Include weight group, acceleration and motion dialog boxes have been combined into a singledialog box with tabs.

The member group hydrodynamic override dialog box has been revised to show additionalinformation for clarification..

If intermediate joints from a combine member operation are deleted then any loads or weights onthe deleted joints are converted to member concentrated loads and weights.


Precede now reads dummy structures when importing a seastate input file.

Corrected a problem where the average joint thickness was not written to the model file correctly Corrected problem with varying pressure load on plates.

Corrected a problem where member divide operation was not handling applied member loadscorrectly under certain circumstances.

Corrected a problem where load case factors were changed after 90 degree rotation of the model.

Corrected problems associated with determining the chord and brace for "Automatic Joint


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Design" operations.

Corrected rebar handling problems for concrete sections.


Multi-segmented tapered members may now be defined.

Load condition, weight group, and all identification names may now contain any printable specialcharacter.

Multiple views may now be printed with one command.

Model may be printed in black and white in addition to grey scale.

Moment arrows are now displayed on members.

Precede 5.3 new features that includes the new 3D OpenGL-based graphics interface whichgreatly enhances modeling and model visualization (allows both wire frame and fully rendered 3Dvisualization), a completely redesigned Structure Definition wizard that allows users to create andupdate jacket structures in less time, user defined member and plate group color selections, userdefined input units, new physical member support, enhanced undo-redo functionality, new loggingfunctionality, upgraded reporting capabilities, enhanced data import capabilities from external sourcesand also extensive online help.


Self-weight of concentric tubulars with grout between them has been corrected.

Corrected definition of the dented tubular section.

Corrected problems with placing loads on a series of members.

Problems with exporting a DXF file have been corrected.

Corrected problem defining temperature loads (member and plate).

Corrections have been made to concrete groups and sections.

Editing of specified deflections has been fixed.

Several problems with Seastate (wave, wind, current) definitions have been fixed.

Plate pressure loads direction has been fixed.

Corrected errors in defining Reynolds number data.

Issue with screen not being refreshed has been fixed.

Corrected multiple member modification problem.


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Corrected problem displaying volumes.

Corrected issue offsetting angles, tees and unsymmetrical plate girders to the neutral axis.

Several problems in the physical element definition as been corrected.

The problem not displaying nonstructural weight once you click apply so you can decide whetherto keep or discard has been corrected.

Issue displaying member local coordinate system has been corrected.

Precede Legacy


Corrected problem where reversing joints numbers on members causes references on MEMB2cards to become undefined.

Corrected issue where if AREA cards appeared after all weight data in the model input file, therewere not read.

Problem where the load combination was ignored when load combination name was left out onthe second and subsequent load combination cards.

Corrected issue where additional extraneous AREA cards were being inserted into the SACSoutput model files.

Corrected the SECSCY input line which was being read incorrectly as a SECT card.

Corrected problem where the sum of forces did not include space loads and weights could not besummed.

The Top of Steel and Bottom of Steel options have been changed so that wide flange, channel,plate girder, angle, tee, box, prismatic and the 3 plate girder types (PGI, PGD, and PGB) may all beused.

Pre-Processor


Corrected problem where multiple specified deflections for the same DOF and same loadconditions were not being summed.


Corrected a problem where the code check reported in the Pre listing file did not match the onedefined in OPTIONS line.


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Corrected a crash resulting from commented out lines in a user-defined member library.

PSI (Pile/Structure Interaction)Release 5.3.1 V8i (Service Pack 2) Corrections

Corrected a convergence problem with PSI that affected groups of load conditions but not theindividual load conditions.


Added T factor and Z factor on TZAPI header so that soil capacities can be factored easily.

Recommendations from the Current API Edition concerning general scour & CPT methodshave been implemented. In addition, the P-Y data for soft clay have been amended.

A warning has been introduced if no torsion data has been specified. A representative value isautomatically inserted.


Corrected a problem where the pile diameter and thickness in the pile common soloution file didnot match with the dimensions defined on the pile group line.



Corrected a problem where a user input value for P as an integer rather than a real number in P-Ycurve data was being interpreted to be .01 the input value.

Corrected a problem so that a correct warning message is being issued if a user inputs a T-Zheader line without any T-Z curve points.

RING


Adjusted layout of load combinations.


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SACS IV


The geometric stiffness matrix for P-Delta effects has been enhanced.

SACS/ANSYS


Corrected a problem in converting stiffened plate elements and elements with unknown crosssections.

Corrected the EBLOCK format in the ANSYS cdb file generated by the convertor during SACSto ANSYS model conversion.


Included ANSYS element type BEAM24 and BEAM44 (some offsets may be ignored).


Corrected some issues in converting ANSYS REAL constants.

SACS/DXF

SACS/FemGV

Seastate


Added API 2MET Seastate parameter generation capability for wave, wind, current, surge anddeck height requirements based upon API 2DG for the Gulf of Mexico

Added a pointer "2" in the LDOPT line to use version 5.2 Dead Load/Buoyancy factors forincluded weights.

Added 'P2" option on the LCSEL line to support the enhanced geometric stiffness matrixassociated with P-Delta effects.


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The program has been enhanced to automatically calculate the marine growth mass based uponthe water density for cases where the marine growth density is unspecified on the marine growth inputline.


Corrected a problem where the load direction from included weight was in incorrect when theweight ID was in the DEAD load case and the gravity direction in the DEAD line was not in the Zdirection.

Corrected a problem where weight group ID was missing on the weight lines.

Corrected a problem where the dead load and buoyancy load factors specified on the LOADCNline were not being applied to the included weights if a load case included both the DEAD and theINCWGT lines.

Corrected a problem where the marine growth calculations for submerged non-tubular memberswere not accurate.

Corrected a problem where the program calculated the wrong wind load for various winddirections if the API 4F code was selected.


The initial ring spacing calculation has been enhanced to force the program to use Ch=0.44D/t

The number of dummy structures has been increased from 7 to 100

A consistent approach is now employed to determine the water depth and mud line elevationoverrides for load case where multiple values have been defined for different load types within thesame load case.

The internal unit conversion calculation accuracy has been refined to a higher precision.


Corrected issue with LCFAC lines where more than one load case is on a LCFAC line.

Corrected problem with transfer function GNTRF lines when the generated wave height is lessthan one foot.

Corrected problem where if the user specified 'AL' on the WAVE line and left the number of wavesteps blank or zero.

Updated dummy structure KEEP joint message to indicate 40 keep joints allowed.

Increased the accuracy of internal wave height calculation when create transfer function toeliminate the irregular transfer function curve if too many wave period points defined.


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Corrected the problem in water depth override: If the distance from the mudline in current profileis defined by ratio and the water depth has been overridden in WAVE line, program didn't pick up thewater depth override in the WAVE line, instead the depth in LDOPT line was adopted.

Corrected issue where program was ignoring the chord angle when reference joint defined so themember load calculation was incorrect.

Corrected a problem where the marine growth calculation was based upon the wrong segmentlength for a near horizontal member located close to a marine growth change elevation.

Corrected a problem where the unit label in Joint Loads Due to Area Loading report wasincorrect when MN units were selected.

Corrected a problem where the number of basic and combined load cases was reportedincorrectly for the case where the model contained moving loads.

StruCAD to SACS Convertor


Corrected a problem where the StruCAD to SACS convertor didnt work in certain cases becausethe T-Z header had a 1.0 Z value multiplier.

Super Element

Tow

Release 5.3.1 V8i (Service Pack 2) Correction

Corrected a problem where the RAO generated loads were wrong when the tow X axis definedsurge and roll conditions.


The motion line has been updated to use include or exclude structural weight only from column78. LO option in column 27-28 of TOWOPT line does not affect this.

ACCEL, MOTN, WAVEDEF and WAVE line have been updated to use include or excludestructural weight only from column 75. LO option at column 27-28 of TOWOPT does not affectthis.

ACCL and LCRAO lines have been updated to read the structural weight option from column27-28 of the TOWOPT line only.



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Corrected problem when WGTNS line has only one joint and the moment was not beingcalculated.

Corrected sign of the gravity term due to pitch and roll on the surge and sway accelerations whendefault tow coordinate system was not used.

Modified the sign of the acceleration when global X axis is pitch axis and global Y axis is roll axisto ensure that the motions are based on right hand coordinate system.

Corrected a problem where surface weight inertial loads were not being generated correctly.

Corrected a problem where the LOADFC line was being ignored if it was located after theINCWGT line.

Transportation

Wave Response


Corrected a problem where diagnostic output was being generated in the wave response list file.


Updated plots for random wave, spectral wind, and user input load time history.

Corrected print of Applied Time History Load Summary.

Included windmill functionality.

Updated to read response data from FAST program to include coupling between input force timehistory, wind, and wave loading.

Wind load calculations in accordance to API 4F third edition have been implemented.


Corrected print of Applied Time History Load Summary.

Corrected the equivalent static load from a submerged area that is inclined.

The RMS static base shear reported in the wave response listing file was incorrect when theWSPEC line was used.


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Documents

SACS 5.3 Enhancements