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BIM Show Live 2015: Link between BIM and Energy Simulation
1. BIM Show Live 2015, Manchester
Link between BIM and Energy Simulation
Ir. Arch. Marieline Senave
Dr. Ir. Arch. Stefan Boeykens
9th of April 2015, Stage 2, 9:30 - 10:30 AM
3. Marieline Senave Stefan Boeykens
Who we are…
Master of Science in Architectural Engineering (2014)
PhD Student Building Physics Section KU Leuven
Master Dissertation:
‘Link between BIM and Energy Simulation’
Master of Science in Architectural Engineering (1996)
Guest Professor Department of Architecture KU Leuven
PhD in Architectural Engineering (2007)
EDUCATION:
CURRENT EMPLOYMENT:
EDUCATION:
CURRENT EMPLOYMENT:
BIM Specialist D-studio Belgium
Link between BIM and Energy Simulation: Introduction – Results – Conclusion
http://cad-3d.blogspot.com
4. Content
∞ III. Conclusion
> Case Studies
> Context
> Problem statement
> Purpose statement and Research questions
> Research method
∞ I. Introduction:
∞ II. Results:
> Literature Review
Link between BIM and Energy Simulation: Introduction – Results – Conclusion
5. BIM Show Live 2015, Manchester
Link between BIM and Energy Simulation
I. Introduction
Context
Link between BIM and Energy Simulation: Introduction – Results – Conclusion
6. Link between BIM and Energy Simulation: Introduction – Results – Conclusion
1.
16. Context
Practising BIM the assessment of energy performance can be
fitted in an iterative design process in which the intelligent model
serves as a database that is steadily refined by a sequence of
analysis and feedback until the desired objectives are met.
Link between BIM and Energy Simulation: Introduction – Results – Conclusion
18. Link between BIM and Energy Simulation: Introduction – Results – Conclusion
Problem Statement
19. Link between BIM and Energy Simulation: Introduction – Results – Conclusion
Problem Statement
Building Energy
Model
(BEM)
Building Information
Model
(BIM)
Architectural and technical data
manually re-entering
automatically generating
still common practice
1.
22. Link between BIM and Energy Simulation: Introduction – Results – Conclusion
Purpose statement
and Research questions
23. Link between BIM and Energy Simulation: Introduction – Results – Conclusion
This class’ objective:
giving insight
into the technical abilities and points at issue
in the relation between BIM and energy simulation
in the different stages of design, with an emphasis on the conceptual stage.
Purpose statement
24. Link between BIM and Energy Simulation: Introduction – Results – Conclusion
1.
Necessary
data transfer?
How?
2.
Integration BIM and BEPS
with the design process?
When?
4.
Relation
BIM – BEPS?
Research questions
3.
Approach and
results different
programs?
BEPS= Building Energy Performance Simulation
25. Link between BIM and Energy Simulation: Introduction – Results – Conclusion
Research method
26. Link between BIM and Energy Simulation: Introduction – Results – Conclusion
Research method
Literature Review Case studies
27. 1) Building Information modelling (BIM)
2) BIM‐Software
3) Building Energy Performance Simulations
4) Existing links between BIM and BEPS
5) Level Of Development (LOD) and BEPS
II.1 Literature Review
II. Results
Link between BIM and Energy Simulation: Introduction – Results – Conclusion
30. 1. Energy Simulation tools integrated within BIM packages
2. Energy simulation software with Graphical User Interface
3. Building Energy Simulation software with BIM import
EcoDesigner Star / Energy Evaluation, Green Building Studio, Sefaira, …
Open Studio, TRNSYS3D, Design Builder
Bink DYWAG, IESVE, eQuest, Design Builder, …
Currently existing links between BIM and BEPS-software:
INTERNAL
EXTERNAL
Link between BIM and Energy Simulation: Introduction – Results – Conclusion
31. Link between BIM and Energy Simulation: Introduction – Results – Conclusion
Research method
Literature Review Case studies
32. DESIGN
II.2 Case Studies
II. Results
Link between BIM and Energy Simulation: Introduction – Results – Conclusion
EXTERNAL INTERNAL
33. II. Case studies
1) Submitting a Building Information Model to an energy performance evaluation according to the Belgian
EPB regulation
2) From BIM to an external Building Energy Simulation Program.
3) Energy evaluation (tools) integrated with BIM packages
4) Energy evaluation tools intended for the conceptual stage and their link with BIM
5) Mass modelling and early energy evaluation within BIM software
DESIGN
Link between BIM and Energy Simulation: Introduction – Results – Conclusion
EXTERNAL INTERNAL
35. Submitting a Building Information Model to an energy performance evaluation
according to the Belgian EPB regulation
Energy simulation EXTERNAL to BIM-software
1.
Link between BIM and Energy Simulation: Introduction – Results – Conclusion
EXTERNAL INTERNAL
DESIGN
CONCEPT
38. Belgian EPB softwareEnergy simulation EXTERNAL to BIM-software1.
Link between BIM and Energy Simulation: Introduction – Results – Conclusion
Which information does the EPB-program request?
41. Belgian EPB softwareEnergy simulation EXTERNAL to BIM-software1.
Link between BIM and Energy Simulation: Introduction – Results – Conclusion
Much of the necessary information is embedded in the BIM…
How can we extract it?
51. Submitting a Building Information Model to an energy performance analysis in
EnergyPlus by using the Space Boundary Tool
From BIM to a Building Energy Simulation Program
2.
Link between BIM and Energy Simulation: Introduction – Results – Conclusion
EXTERNAL INTERNAL
DESIGN
CONCEPT
52. EnergyPlus via
Space Boundary Tool
From BIM to a Building Energy Simulation Program2.
Link between BIM and Energy Simulation: Introduction – Results – Conclusion
How can a BEM be built on the basis of a BIM?
53. Link between BIM and Energy Simulation: Introduction – Results – Conclusion
How can a BEM be built on the basis of a BIM?
• Reduction and Simplification
• Translation
• Interpretation
Threefold transformation of data upon BIM conversion to BEM
EnergyPlus via
Space Boundary Tool
From BIM to a Building Energy Simulation Program2.
67. Case study of ArchiCAD’s 'Energy Evaluation'-tool
Energy simulation INTEGRATED with BIM-software
3.
Link between BIM and Energy Simulation: Introduction – Results – Conclusion
EXTERNAL INTERNAL
DESIGN
CONCEPT
73. ArchiCAD’s
'Energy Evaluation'-tool
Energy simulation INTEGRATED with BIM-software3.
Link between BIM and Energy Simulation: Introduction – Results – Conclusion
ArchiCAD model data types
Selected Type
Thermal Block
Renovation status
Area (glazed, opaque, total) [m²]
…
Additional data types
Structures
Openings
Structures
Openings
Perimeter Psi-value [W/mK]
Shading Device
Infiltration [l/sm]
U-value (glazing, opaque, overall) [W/m²K]
…
Space Boundary Category
Thermal Block
Thickness [mm]
Area [m²]
…
Solar Absorptance [%]
Infiltration [l/sm²]
U-value [W/m²K]
Correction Area [m²]
…
83. Tools for Energy Analysis in the early design stages
4.
Link between BIM and Energy Simulation: Introduction – Results – Conclusion
EXTERNAL INTERNAL
DESIGN
CONCEPT
84. 4.1 Sefaira
4.2 Link between SketchUp and Energyplus
Tools for Energy Analysis in the early design stages
4.
Link between BIM and Energy Simulation: Introduction – Results – Conclusion
97. 4.1 Sefaira
4.2 Link between SketchUp and Energyplus
Tools for Energy Analysis in the early design stages
4.
Link between BIM and Energy Simulation: Introduction – Results – Conclusion
106. Mass Modelling in Revit and ArchiCAD
Mass Modelling in BIM-applications
5.
Link between BIM and Energy Simulation: Introduction – Results – Conclusion
EXTERNAL INTERNAL
DESIGN
CONCEPT
107. Link between BIM and Energy Simulation: Introduction – Results – Conclusion
5.1a) Mass Modelling in Autodesk Revit
111. Energy Settings
• Building type
• Location
• Ground plane
• Thermal zones
• Building envelope assemblies/constructions
• Glazing Percentage
• Building Operating Schedule
• HVAC System
5.1 Mass Modelling in RevitMass Modelling in BIM-applications5.
Link between BIM and Energy Simulation: Introduction – Results – Conclusion
114. Mass Modelling in BIM-applications5.
Link between BIM and Energy Simulation: Introduction – Results – Conclusion
REVIT
Can you make a Mass Model? Yes
Can you perform an energy evaluation on it? Yes
Can you convert/upgrade it to a BIM? Yes
115. Link between BIM and Energy Simulation: Introduction – Results – Conclusion
5.1b) Mass Modelling in Graphisoft ArchiCAD
117. Mass Modelling in BIM-applications5.
Link between BIM and Energy Simulation: Introduction – Results – Conclusion
REVIT ARCHICAD
Can you make a Mass Model? Yes Yes
Can you perform an energy evaluation on it? Yes No
Can you convert/upgrade it to a BIM? Yes No
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