Femap 11.3 Whats New Presentation

Femap 11.3 What’s New

Unrestricted © Siemens AG 2016

Siemens PLM Software

Femap Release Schedule

Regular release schedule• v11.3 March 2016• v11.2 March 2015• v11.1 November 2013• v11: January 2013• v10.3.1: January 2012• v10.3: October 2011• v10.2: October 2010• v10.1.1: January 2010• v10.1: August 2009• v10: December 2008



Femap Direction

• A modeling environment that’s dedicated to FEA• The in-depth, detailed functionality required to accurately model

real-world parts and assemblies• Customer driven features and functionality



Femap 11.3Overview

New functionality and updates• Preprocessing• Meshing• Solver support• Postprocessing• Performance



PreprocessingDraw/Erase Toolbar

• New toolbar for draw/erase• Fast access to mesh and geometry on/off• Choose entities to draw or erase• Toggle back and forth• Choose by element, property, material• Grow/shrink selection• Mesh only, geometry only, or linked• Create Femap group from draw/erase data• Load Femap group into draw/erase data



PreprocessingNew View Rotation Options

• Default option still “Rotate about View Center”

• Similar to v11.2.x – first two items toggle between view center and rotation center

• New option – choose between rotating about the “view axes” (screen) or the “model axes” (global csys)

• New option – “Rotate about Coordinate System” – simply pick a Femap csys

• “Rotate around vector” same as v11.2.x “rotate around rotation axis”

Femap v11.2.x



PreprocessingRotate Around Cursor

• Accessed via File / Preferences / User Interface OR add a toolbar icon

• Model rotates about the closest entity on screen

• Model never swings out of view!

Pick Here



PreprocessingZoom Around Cursor

Accessed via File / Preferences / User Interface OR add a toolbar icon

Zoom Here



PreprocessingRoll Through Mode

• Roll-Thru: move “inside” the model With Roll-Thru off (and in all previous versions of Femap) you cannot move through your model, you just zoom closer and closer

• Roll-Thru moves the viewer’s eye to a certain depth in the screen direction, everything behind that is clipped

• Zoom in enough and you’re inside, and can turn around and see what was behind you



PreprocessingTouch Gestures

Graphics Window Gesture Action

One finger drag Dynamic model rotate

Two finger drag Dynamic model pan

Two finger pinch Zoom out

Two finger spread Zoom in

Move one finger around another Rotate around screen z-axis

Touch gestures are available in Graphics and Messages Windows, Entity Editor, Meshing and Postprocessing Toolboxes, Data Table, Connection Editor, Model Info Tree and Status Bar



PreprocessingConnection Manager

• New connection editor• Easier management and access to connections• Direct editing• Sorting• Filters



PreprocessingStreamlined Element Face Picking

• Face picking automatically loads currently displayed elements as possible entities to pick from

• Adjacent faces is now the default

• With front picking turned on, only front faces can be selected, so any face based selection can be made with a single double-click




• Combined with the Draw/Erase toolbar, connection setup for mesh only parts is much easier and faster

• Workflow:• With the front picking option turned on• Choose draw on the Draw/Erase toolbar, and

select the Element option, then pick one element on each leg

• In the selection box, choose Add All Connected Elements

• Click OK




• Workflow (continued)• Go to Connect / Connection Region, choose elements,

select the Add Multiple button• The visible elements are already loaded, pick one on

the end and click OK• All the connected faces are picked automatically, repeat

each time for the ends• In just a couple of clicks, six connection regions are

created




Workflow (continued)• While still in the Connect / Connection Region command,

you can use the Draw/Erase toolbar to swap the drawn entities to pick the other side of the connection



PreprocessingBeam Modeling Enhancements

Cross section input help




Immediate feedback of basic cross section information




Press the “Compute All Properties” button for full

calculations

Shear center




Send report to clipboard

Save report to BMP, JPEG, PNG, GIF,

TIFF




Nastran shapes

Custom shapes



PreprocessingPick Visible

New method for front picking• Turn on/off in File / Preferences / Graphics• Much faster than database access• Uses OpenGL (basic and performance)

to keep track of which ID is front• If an entity is not represented by a pixel,

it will not be picked, i.e. blocked by something else, or so small it did not make a single pixel

• Works in single pick, box, circle, polygon, etc.



PreprocessingUnique Property Icons

Unique property icons for properties



PreprocessingIntelligent Entity Availability

• Only Properties which are appropriate for current Element type are available

• Only Connection Regions are available when creating a Connector



PreprocessingRenumber All

Renumber all



PreprocessingAPI Program File Libraries

• Custom Tools • Library of API programs delivered with the software

• User Tools • Reference for your own corporate-wide API program library



PreprocessingMiscellaneous

• Plane to Plane method now available when using commands on the Modify, Align… menu. Similar to Between Coordinate Systems method, with specified plane defining X and Y axes, plane normal defining Z axis.

• Loads • Added ability to modify the color, modify the layer, scale the values,

change the function ID, or delete loads of specified type(s) in the active Load Set, All Load Sets, or any number of selected Load Sets.

• Updated Modify, Update Other, Load Phase and Delete, Model, Load - Body commands to allow selection of any number of Load Sets.

• Constraints• Added ability to modify the color, modify the layer, or delete constraints of

specified type(s) in the active Constraint Set, all Constraint Sets, or any number of selected Constraint Sets.



Femap 11.3Overview




MeshingQuad Meshing Improvements

• Max Quads• Goal: all quad mesh through triangle removal• Will allow triangles when required• With an odd number of edges there will always be one triangle

• Example: default mesh contains 39 triangles – with Max Quads it’s just 1Default mesh Max Quads mesh




• Max Quads• Mesh size changed by 1 – all triangles removed!




Max Quads combined with Quad Layers provides maximum mesh customization and flexibility




Internal element growth now available with quad meshes



MeshingMesh Smoothing Improvements

New smoothing algorithm for highly curved surfaces



MeshingInteractive Mesh Refine

• Interactive update of shell/line mesh• Auto transition• Shrink/grow selection• Drag selection• Loads/constraints propagated automatically




Example:• From an existing Nastran input file imported into Femap, mesh refinement is

required in the two areas indicated




Example (continued)• At the T junction use Split Edges option• Choose Edges• Grow• Done




Example (continued)• At the hole, refine using Split Edges twice




Example (continued)



MeshingMultiple Element Splitting

• Multiple elements (nodes) can be selected for splitting in a single command

• More efficient mesh refinement process



MeshingHard Point Auto Update – Meshing Toolbox

Mesh hard point auto-update within meshing toolbox

Meshing toolbox commands that update surfaces will now automatically manage moving mesh hard points to any split surfaces



MeshingGeometry Cleanup – Meshing Toolbox

Small curves and extraneous points are captured in the mesh

New feature removal tools to permanently remove them

Similar to composite curves and composite surfaces, but done at a geometric (Parasolid) level



Femap 11.3Overview




Solver SupportAbaqus ODB Attach

• First time support of ODB file• Attach to (instead of internalizing) Abaqus results• Uses Abaqus scripting interface• Supports prior version ODB automatically• Supports field output and recovery of job data including step and increment

files• Works like currently supported results formats including Nastran OP2 and

XDB, CSV, and Femap FNO• Fully compatible with all postprocessing functionality• Selected results can be internalized for data management purposes



Solver SupportNastran Results Enhancements

Output set titles – existingTITLE, SUBTITLE, LABEL, SUBTITLE,LABEL

Title of the overall studyDefaultAnalysis Set TitleFile NameNastran Title

Use static subcase IDs – NEWTrack revisions – NEW



Solver SupportNastran Results Enhancements

Output set titles – existingTITLE, SUBTITLE, LABEL, SUBTITLE,LABEL

Title of the overall studyDefaultAnalysis Set TitleFile NameNastran Title

Use static subcase IDs – NEWTrack revisions – NEW



Solver SupportNastran Enhancements

Nastran element quality checks• Interactive Nastran aspect ratio checks for linear and parabolic

plate elements added• Interactive Edge Point Length Ratio (EPLR) check for TRIA6• Linear plate Nastran element quality checks are now available

in meshing toolbox and entity editor• API access provided for new Nastran quality checks• New quality checks also added to analysis manager NASTRAN

GEOMCHECK dialog




Nastran frequency response enhancements• Read and write support for all Nastran FREQ entries

• FREQ, FREQ1, FREQ2, FREQ3, FREQ4 and FREQ5• New solution frequency tab in

Nastran dynamic analysis form• Created frequency lists available

for any analysis set

Select Desired Nastran Format

Enter Required Data

Add Creates the List Definition

Check box to Select Frequencies for Current Analysis Set




Nastran frequency response enhancements• Selected frequency list definitions are written to analysis set

FREQ 3.1481722.1564039.1646357.1728675.181099321.8610621.90752+ + 22.2562823.0755723.1246123.4927424.2900724.34169 24.729225.50457+ + 25.5587825.7196225.9656626.7190826.7758627.1484827.2021228.57735+ + 30.0062231.43509 FREQ2 3 200. 300. 5 FREQ4 3 200. 300. .1 3




Non-zero constraints SPC in constraint set




• Spring/Damper to Ground elements (CBUSH)

• NX Nastran documentation:• If GA and GB are coincident, or if GB is blank,

then CID must be specified. When GB is blank, a grounded spring and damper is created at GA

• In addition, DOF Spring to Ground elements are now available (CELAS2)



Solver SupportSolver Launch Control

• Configure multiple solvers within Femap• Avoids DOS environment variables• Add additional command line options• Each analysis set can be connected to a different solver option

• Integrated (Femap with NX Nastran)• Enterprise via linked solver• VisQ for remote batch solving



Solver SupportNX Nastran Solution Control

• Additional command line access• Default from file – preferences• Additional GPU control – expect more options

as they become available



Solver SupportANSYS Command Input

• ANSYS version from Femap setting• ANSYS product license option• Choose including input text in output text• Jobname and output directory• Database and workspace memory• Additional command line arguments

Input shown in the tree of analysis manager



Solver SupportANSYS Analysis Monitor

• Same look/feel as NX Nastran• Switch between output text file

and error file



Solver SupportLS-DYNA Translator

• Added support for non-zero constraints• Added remaining fields for MAT_54 and will now accept

CRIT=0• Suppress automatic output of *CONTROL_SOLUTION

card• Limit number of coordinate system translation

messages via max repeated errors field of preferences’ messages tab

• From analysis manager, provide ability to define fields of *CONTROL_IMPLICIT_AUTO and *CONTROL_IMPLICIT_GENERAL

• Contact card comments now contain connector and property titles



Solver SupportANSYS & Abaqus CBUSH/PBUSH Input

• General Issue: ANSYS and Abaqus do not have an element which exactly matches the (CBUSH/PBUSH in Nastran) Spring/Damper element in Femap

• Additional Requirement: Spring/Damper elements must behave like CBUSH/PBUSH when solved with ANSYS or Abaqus, otherwise different results are calculated

• Possible Solution: Simply include stiffness and damping of Spring/Damper elements when creating input files for ANSYS or Abaqus

• Our Solution: Spring/Damper elements are written as MATRIX27 elements for ANSYS; written as *MATRIX INPUT for Abaqus; with matrix values (stiffness and/or damping) calculated using the same approach as CBUSH/PBUSH

• Limitation: nonlinearity and frequency dependency are ignored, as the matrix entries are calculated only once




BK




• Element Stiffness:

ET,3,MATRIX27,0,0,4 !kopt1=0, positive definite/semi-positive !kop2=0, symmetrical !kop3=4, stiffness

ANSYS element type number, incremented automatically in Femap

• Element Stiffness Matrix:

787776

332423141312321

my

s

R,3 !3=real constants numberRMODIF,3,1,K(1,1) !K11 @ 1RMODIF,3,2,K(1,2) !K12 @ 2RMODIF,3,3,K(1,3) !K13 @ 3…RMODIF,3,12,K(1,12) !K(1,12) @12…RMODIF,3,78,K(12,12) !K(12,12) @78




• Element Damping:

ET,3,MATRIX27,0,0,4 !kopt1=0, positive definite/semi-positive !kop2=0, symmetrical !kop3=5, damping

ANSYS element type number, incremented automatically in Femap

• Element Damping Matrix:

787776

332423141312321

my

s

R,4 !4=real constants numberRMODIF,4,1,K(1,1) !B11 @ 1RMODIF,4,2,K(1,2) !B12 @ 2RMODIF,4,3,K(1,3) !B13 @ 3…RMODIF,4,12,K(1,12) !B(1,12) @12…RMODIF,4,78,K(12,12) !B(12,12) @78




One CBUSH element verification

Set 1: NX Nastran Set 2: ANSYS Set 3: Abaqus

Results are same



Solver SupportANSYS CBUSH/PBUSH Input

Transient analysis of a hinge verification

ANSYS stress

NX Nastran stress



Solver SupportCBUSH Translation Notes

• For ANSYS: PBUSH to MATRIX27. K and B to two elements, one for K, another for B. SPRING/DAMPER to COMBI14. “To Ground”: creating a dummy node and apply “D,dummyNode,ALL,ALL”.

• For Abaqus: PBUSH to *MATRIX INPUT,… *MATRIX ASSEMBLE. K and B, two matrices. Spring (K input) to SPRING2/A, Damper (B input) to DASHPOT2/A. PBUSH to Ground, only top-left quarter (11) sub-matrix is written. SPRING to Ground (K input) to SPRING1. Damper to Ground (B input) to DASHPOT1. *MATRIX INPUT,… *MATRIX ASSEMBLE not applicable to analysis other than statics/mode, for other analysis,

CBUSH is not translated and warning is issued.



Solver SupportMATRIX27 input from Femap

Because PBUSH is translated to MATRIX27 of ANSYS and MATRIX27 is 12x12, A 12x12 matrix (K,B,M) is added to Femap to handle its input from Femap

Accessed here

Still keep 6x6 matrix input.A switch to12x12.Choice of K,B,M.



Solver SupportMATRIX27 input from Femap

A switch to 6x6.Choice of K,B,MValues filled after reading hinge.ans into Femap



Solver SupportNonzero constraints in ANSYS

• Nonzero constraints were added in Femap 11.3

• Nonzero constraints are easily added to ANSYS as follows

• D,nodeID,dofID,value

• “D,nodeID,dofID,value” are read into Femap 11.3 and stored as a constraint with nonzero value



Femap 11.3Overview




PostprocessingArrow Plots

Contour Vector plots have been completely overhauled for v11.3 and have been renamed Contour Arrows



PostprocessingContour Arrow Plots

Automatic vector selection: the user specifies a single contour vector and Femap automatically selects appropriate output vectors to display as well as the correct orientation for relevant elements

Individual output vector selection is still available for advanced users




On-the-fly results transformations: nodal, shell and solid results can now be displayed in a transformed orientation without having to first manually create a set of transformed results




Individual component display: display of individual components can be selectively be turned on and off without having to reselect vectors




Automatic styling: based on the selected output vector, Femap can automatically select the arrow styles that are the most appropriate for the type of vector displayed. These settings can always be overridden by the user

Arrow Heads

Arrow Location Arrow Colors

Moment HeadDouble Head Single Head No Head

Arrow at Tail Arrow at Center Contour Colors View Colors




Automatic styling

Plate principals• Double-headed arrows• Located at center

Plate membrane• Single-headed arrows• Located at tip• Designed to show

directions for positiveshear flow

Beam axial / shear• Axial shown with

double-ended arrows at center

• Shear shown with singleheaded arrows at tip




Shear / resultant display: arrows can be shown as individual components, resultants or selected axial / shear components

Total output vectors (i.e. 1..Total Translation) are automatically paired with the matching components and shown as resultants

Component output vectors (i.e. 2..T1 Translation) are automatically paired with the matching components and shown as individual components




Shear / resultant display

CBUSH forces in the element coordinate system shown as individual components

CBUSH forces in the element coordinate system shown as shear (Y force / Z force) and axial (X force)




Output listing: when doing automatic vector selection, List / Output / Contoured Results to Data Table command lists Contour Arrow results to the data table as they appear on screen

All results remain sortable and entities can be highlighted, even when resultants or shears are displayed



PostprocessingFreebodies

Glue and contact: support has been added for glue and contact results as discrete freebody contributions

For decks created outside Femap, requires BCTRESULTS or BGRESULTS case control (automatically included in Femap)

GPFO table still shows an imbalance in the total nodal summation, so same result can be achieved by including the reverse of the nodal summation contribution




Linear contact model between hex and tetra mesh, fixed at the ends. 50# cantilever load applied to tip of hex mesh

Deformed plot showing linear contact




Freebody plot using applied, SPC, and peripheral element contributions on nodes and elements of hex mesh. Applied load is not balanced

Contact contribution has been added – summation is now in equilibrium




Freebody listing has been rewritten to consolidate commands and add additional features

v11.2.2

Single Dialog

v11.3




Freebody listing • Consolidated into a single dialog box• Interface loads can be sent directly to the

data table• Clipboard is a new listing destination option

for tab delimited data• Listing of F06-style GPFO data has been

streamlined• Dialog remembers previous settings




Freebody listing: interface loads in data table




Freebody listing • Choosing the clipboard output destination pastes tab delimited data to the

clipboard, similar to what is seen in the data table• Convenient for pasting to Excel or similar applications




Freebody listing: F06-style GPFO data




Default settings: freebody defaults can be set in Preferences / Results tab



PostprocessingCharting Enhancements

Enhanced support for analysis studies Specify individual studies for Vector vs. Output Set and Vector vs. Vector data series

Quickly create new data series directly from the Model Info Tree. Can be added to existing charts or new ones can be created



PostprocessingData Surface Mapping and Miscellaneous

Customer requests

• New APIs to map locations into data surface in same model:MapOutput:GetOutputDataSurface(ds_id)MapOutput:MapOutputDataToLocation(count, vXYZ, vValXYZ,

vIsValid)vIsValid returns 0 if no data map found

• Fixed bug where data surface could become corrupted when using Data Surface Editor

• Fixed filepath name bugs in Qman

• Validated license server functionality on CentOS v7



Femap 11.3Overview




PerformancePerformance Improvements

Addressed specific customer issues:

• Nastran XDB Attach: composite element results – 60x

• Femap sets (API feSet object)Accessed from your APIs and used internally in Femap are now 30x faster adding and removing IDs

• Expanding pressure loads on shell elements attached to a surfaces 240x faster



PerformancePerformance Graphics (PG)

• Performance Graphics continues to evolve

• Rigid elements: RBE2, RBE3, and RSPLINE elements are now drawn with PG, including their DOF labels, independent/dependent symbols and arrows indicating direction

• Contour Style: arrows are now drawn in PG, together with their numerical data

• Deformed Style: arrows are now drawn in PG, together with their numerical data

• Performance Graphics will be temporarily disabled when an unsupported command is used (i.e., Dynamic Cutting Plane, Dynamic IsoSurface, etc), then be enabled again after exiting the command



Q and A