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ISES—Intelligent Services for Energy-Efficient Design and Life Cycle Simulation
Energy in Buildings 2013, ASHRAE Hellenic Chapter & Technical Chamber of Greece Athens, November 9, 2013
Athens, 9.11.2013 C.A. Balaras, NOA
Intelligent Services for Building Information Modeling
www.energycon.org
http://ises.eu-project.info/
ISES—Intelligent Services for Energy-Efficient Design and Life Cycle Simulation
What is BIM ?
Building Information Modeling Generation of management of a digital representation of physical & functional
characteristics of a building.
The resulting model becomes a shared knowledge resource for information about a facility forming a reliable basis for decision-making over its life-cycle (from conceptual stages, through design, construction, operational life before its eventual demolition)
(National BIM Standard Initiative )
CAD software commonly assign three main features to BIMs:
o ability to manage, store, share & exchange data (files or database);
o object oriented building model controlled by parametric rules (change to any part of the design automatically reflects to all other parts);
o ability to link data model to various types of analysis tools throughout building lifecycle.
ISES—Intelligent Services for Energy-Efficient Design and Life Cycle Simulation
What is BIM ?
“We can carry information downstream all the way through to the operation and
maintenance phases of the building's life-cycle” Brian Skripac, BIM Technology Manager for DesignGroup, Columbus, Ohio
ISES—Intelligent Services for Energy-Efficient Design and Life Cycle Simulation
Who can benefit ?
Different benefits to the members of
Building design & construction teams can optimize their work Move beyond 3D visualizations, Adding project time planning (4D) to visualize the entire construction sequence, Incorporating specific material quantities & costs (5D) to easily monitor construction budget
Commissioning Capture relevant information-data in the BIM model
Building operators Integrate all data directly in owner’s facility management software that can be readily accessible
Facility managers Incorporate monitoring or other building performance data
All can share data & a wide range of information (e.g. building design, construction, operation, maintenance)
that is all combined in one BIM model
ISES—Intelligent Services for Energy-Efficient Design and Life Cycle Simulation
Where do we stand ?
ASSESS ARCHITECTURAL
DESIGN
CONFIRM ADEQUACY OF
BUILDING’S THERMAL
INSULATION
CONFIRM ADEQUACY OF E/M
DESIGN INSTALLATIONS &
AUTOMATIONS
CONFIRM BUILDING’S
ENERGY PERFORMANCE
DESIGN CONSTRUCTION OPERATION / MONITORING
DEMOLITION COMMISSIONING RENOVATION /
REFURBISHMENT
SIMULATIONS BMS DATA MEASURED DATA SIMULATIONS
ISES—Intelligent Services for Energy-Efficient Design and Life Cycle Simulation
Building Energy Simulation
Simulation Modeling BIM/IFC does not include all the necessary information needed to perform
detailed Energy Analyses using Building Energy Simulation software (e.g. Zone/space occupancy, Equipment for normal operation (non HVAC), operational schedules - lighting, shading)
The information needed is available from many different sources & in many different formats
Energy Solvers use their own proprietary schemas for simulation modeling & configuration (no compatibility - even on semantic level)
Simulation Models require detailed & comprehensive data (building model, systems, building usage, expected occupancy behavior)
Simulation Models require extensive end-user effort to correctly configure
Energy Solver vendors provide various resource libraries to Support information availability Make simulation modeling Easier to the end-user More transparent to the end-user
ISES—Intelligent Services for Energy-Efficient Design and Life Cycle Simulation
What’s coming up ?
DESIGN CONSTRUCTION OPERATION / MONITORING
DEMOLITION COMMISSIONING RENOVATION /
REFURBISHMENT
COMMON DATA
REPOSITORY
SIMULATIONS BMS DATA MEASURED DATA SIMULATIONS BMS DATA
Resume process …
Thermal Simulation Tools
CFD Analysis
Stochastic Data
•Materials
•Occupancy
•Weather-climate
ISES—Intelligent Services for Energy-Efficient Design and Life Cycle Simulation
Resource Libraries
Energy
Solver
Resource
Library
Templates Energy Solvers
Resource Libraries tools Enable sharing of common, frequently used information objects
Provide representative information objects that have been validated in projects
Enable modularized information object design that reduce complexity in simulation modeling - Simulation Models are otherwise complex and extensive
Ensure greater consistency in simulation model development & configuration
Increase end-user productivity in simulation modeling & configuration by minimizing necessary end-user input
ISES—Intelligent Services for Energy-Efficient Design and Life Cycle Simulation
Resource Libraries
Energy
Solver
Resource
Library 1
Resource
Library 2
Resource
Library N
Templates Energy Solvers
Energy Solver is supported by different third party resource libraries (both commercial & public domain) Resource Library providers ensure conformation to the energy solver schema specification
:
ISES—Intelligent Services for Energy-Efficient Design and Life Cycle Simulation
Data Interoperability
Energy
Solver 1
Energy
Solver 2
Energy
Solver N
Resource
Library1
Resource
Library 2
Resource
Library N
Templates Energy Solvers
: :
Current Situation No common delivery technology (file based (text, xml), web pages)
No common exchange strategy (what-data, how-format / technology, when-life cycle stages)
No common programming interfaces
No shared semantics
No shared schema specifications (schema or class level)
ISES—Intelligent Services for Energy-Efficient Design and Life Cycle Simulation
ISES Services Framework
Services
Framework
Source Model Target Model
Neutral Model
Energy
Solver 1
Energy
Solver 2
Energy
Solver N
Resource
Library1
Resource
Library 2
Resource
Library N
+ Templates
: :
A Service Framework that enables including any resource
Weather data
Materials data
Building elements
Diversity profiles (schedules)
NANDRAD
THERAKLES
COND
RIUSKA
ROOMEX
CFD SOFISTIC
ISES—Intelligent Services for Energy-Efficient Design and Life Cycle Simulation
• Services Framework Common schema for exchange of information objects
Adaptor driven framework for resource interfacing
• Templates • Template defaults selected to conform to Standards & Regulation
• Technical requirements
• Dynamic, configurable & reusable between projects
• Organized in a hierarchical topology (level of detail)
• Based on industry standard semantics (e.g. IFC, gbXML)
ISES Service Framework
Template
Technical
Requirements
Regulatory
Requirements
http://hesmos.eu
ISES—Intelligent Services for Energy-Efficient Design and Life Cycle Simulation
ISES Service Framework
Simulation
Model
Configuration
Stochastic
Processor
Template
Engine
Resource
Schema
Specification
Scripting
Element
Specification
Resource
Services
Template
Script
Resource
Catalogues
Template
Script
Simulation
Model A
Simulation
Model B
Simulation
Model C
So
ftw
are
Co
mp
on
ents
ISES—Intelligent Services for Energy-Efficient Design and Life Cycle Simulation
ISES Service Framework
Simulation
Model
Configuration
Stochastic
Processor
Template
Engine
Resource
Schema
Specification
Scripting
Element
Specification
Resource
Services
Template
Script
Resource
Catalogues
Template
Script
Simulation
Model A
Simulation
Model B
Simulation
Model C
Distributed data sources (e.g. climate, schedules, materials data) using
different data schemas-formats, hosted by different technologies (DBs,
Web Services, file systems - cloud, ftp, local)
Set of specific scripting elements used for data
retrieval, transformation & re-formatting, stochastic
calculation, conditional evaluation etc.
An XML schema that specifies
resource output , e.g. Building
elements, materials, schedules-profiles
& weather data
A set of XML elements that together
deliver data in a specified format, given
a specific context
Provide a standardized interface to Resource
Libraries
Generate stochastic samples based on specific
scripting elements embedded in the templates
Process Template Scripts & Generate output
Template (script)
So
ftw
are
Co
mp
on
ents
ISES—Intelligent Services for Energy-Efficient Design and Life Cycle Simulation
Example Template
Expert knowledge
to create templates
Example – INPUT
ISES D4.2 Prototype of the intelligent search, access
and interoperability services
to the energy-related ICT
Jelly is an open & customizable JAVA & XML based scripting & processing engine; the tool turns XML into executable code
ISES—Intelligent Services for Energy-Efficient Design and Life Cycle Simulation
Template Tags
Resource tags - Enable the access & retrieval of resource data These resources can be provided by data bases, web services & diverse type of file systems. Typical
resources: climate databases & weather data files, building product databases, diversity schedules etc.
General tags - Support inclusion of variable functionalities in resource tags Usually, re-useable components that can be used when building custom tags.
Processing tags - Allow execution of arbitrary code They provide support for processing of resource output and other type of data processing that is not
provided by the resource tags themselves. For example, data re-formatting, data transformation, data
validation and stochastic sampling.
Sampling tags - Implement probabilistic & mathematical algorithms to
produce random data samples
Script tag reference documents the tags developed for ISES to facilitate
access to energy related resources & data models
Four main tag categories:
ISES—Intelligent Services for Energy-Efficient Design and Life Cycle Simulation
Weather & Climatic Data
Server Connection
mySQL Database
Filtering
Database connection details
require_once(‘config.php');
Connect to mySQL
$link = mysql_connect(DB_HOST, DB_USER, DB_PASSWORD);
Select Database
$db = mysql_select_db(DB_DATABASE);
Database Structure
energyco_climaticdata Tables
Location , Diffuse Radiation, Global Radiation, Temperature, Relative Humidity, Pressure, Wind Speed & Direction)
Recordsets
Id (Primary Key), Year, Julian Day (Jd), Data
Create Filtering
query $qry = «SELECT FROM
Temperature(H1, H2,...)";
$result =
@mysql_query(
$qry)
Post to Database
Climatic Data to be used by
the Cloud
Tool #2
Tool #1
ISES—Intelligent Services for Energy-Efficient Design and Life Cycle Simulation
Weather & Climatic Data
.
Connect to mySQL
Database
Run filtering
Queries
Create
Output
ATHENS
Dry bulb temperature
Relative humidity
Atmospheric
pressure
Wind direction
Wind speed
Global horizontal
solar radiation
Diffuse horizontal
radiation
ISES—Intelligent Services for Energy-Efficient Design and Life Cycle Simulation
Simulations & Parametric Analysis in the Cloud
A real need in the construction industry
Updated data is accessible anywhere
High end computational power
Storage capacity
Data accessibility
ISES—Intelligent Services for Energy-Efficient Design and Life Cycle Simulation
Post-Processing of Results
POST-PROCESSING
Sensitivity Analysis
Uncertainty Analysis
Decisions
ISES—Intelligent Services for Energy-Efficient Design and Life Cycle Simulation
Virtual Laboratory
Domain modeling &
input to Virtual Lab
Automatically combine
different models
Cloud computing
provides the necessary
computational power
Evaluation of multiple
simulations,
Prioritize results
ISES—Intelligent Services for Energy-Efficient Design and Life Cycle Simulation
Costas Balaras, NOA
Thank you for your attention
http://ises.eu-project.info/
www.energycon.org
Energy in Buildings 2013, ASHRAE Hellenic Chapter & Technical Chamber of Greece Athens, November 9, 2013