ies faculty bim integration with ies 6 th september 2011 dr sarah graham b eng, c eng mcibse, eng d...
TRANSCRIPT
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IES Faculty BIM Integration with IES
6th September 2011
Dr Sarah GrahamB Eng, C Eng MCIBSE, Eng D
UK Sales ManagerT: +44 141 945 8500C: +44 7837 251354
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0930 – 0940 Welcome and Introduction SG
0940 – 1030 BIM Integration Overview SG
1030 – 1100 The Issues
1100 – 1110 Comfort Break
1110 – 1145 Understanding Complexity
1145 – 1230 Question and Answer
Overview
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• BIM (Building Information Modelling)
− A process of generating and managing building data during its life cycle. It can use three-dimensional, real-time, dynamic building modelling software to increase productivity in building design, construction and maintenance period.
− “ A model-based technology linked with a database of project information” according to American Institute of Architects
What is BIM?
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• Multiple models into a “composite model”
What is BIM?
Energy Model
Composite Model
Architectural Model
Structural Model
Electrical Model
Plumbing Model
BIM (linked with phasing,
sequencing, construction
schedule)
Mechanical Model
• Graphical information -3D objects visual in the
model
• Non-graphical information
- Performance data
• Linked information - Schedule & cost
informationCost Model
Compliance Model
Other Model
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BIM process- a collaborative process
Building Owner f
ArchitectureContractor
Civil Engineering
Facilities Manager
Construction Manager
Electrical Engineer
Mechanical EngineerBIM f
Integrated Design Process
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Conventional design process
Building design process
Master Planning
Concept Design
Schematic Design
Detailed Design
Completion In use
Performance analysis tool
Contractors, construction manager,
commissioning authority, cost
estimator
Mechanical, electrical, & civil
engineers
Mainly architect , structural engineer &
clients
Planning staff, clients
community member
Architect & clients
A linear design process
Users
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Conventional design process
Construction
Tender documentation
Detailed Design
Schematic Design
Concept Design
Consultation& Engagement
Project start
completion
ConstructionConstruction Documents
Detailed Design
SchematicDesign
Time
Eff
ort
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Integrated design process
Building design process
Traditional
Eff
ort
Time
ConstructionDocuments
Detailed Design
SchematicDesign
Construction
Key elements of integrated design process
• Inter-disciplinary collaboration between architects, engineers, cost consultants and facility managers
from the beginning of the design process
• Discussion of the various important performance issues and the establishment of a consensus on this
matter between client and designers
• Budget restrictions applied at the whole building level, with no strict separation of budgets for
individual building systems.
• Involvement of specialists (e.g. energy engineering, energy simulation, daylighting, comfort)
• Data sharing
• Clear articulation of performance targets and strategies, to be updated throughout the process by
the design team
• Documentation and transparency of design decisions
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Integrated design process
Measurem
ent
& verification
Building
des
ign
A multi-disciplinary
design team
Concept design
Mas
ter
plan
ning
Schem
atic design
Det
aile
d d
esig
n
Completion
In use
process
Building
Performance
analysis tool
Mat
er p
lan
mod
ellin
g
Conceptual modelling
Param
etric
modelling
Load
/Ene
rgy
mod
ellin
g
Predictive/incentive modelling
Compliance modelling
A multi-disciplinary design team
•Landscape architect•Ecologist•Architect
•Energy specialist•Structural engineering
•Civil engineering•Mechanical engineer•Electrical engineer•Plumbing engineer
•Other specialists(fire, acoustics, daylighting, controls, etc.)
•Facility manager•Contractor
•Construction manager•Cost estimator
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Building design process
Building design process
Master Planning
Concept Design
Schematic Design
Detailed Design
Completion In use
Climate
Locality
Site features
Nat resources
Urban form
Urban solar
Urban light
Visualise
Brief consequences
Building type
Climate & bldg type
Building form
Footprint headlines
Headline design directions
Headline sustainability
directions
Visualise
Baseline solution
Baseline outcomes
Footprint
Scheme directions
Building solar
Building light
Renewable directions
Sustainability directions
Basic loads
Compliance directions
Visualise
Brief refinement
Detail definitions
Systems
HVAC
Air flows
Building detail feature design
Loads – steady state
Energy – dynamic
Plant size
Optimisation
Energy compliance
Sustainability compliance
Certification
CFD etc studies
Visualise
Certification
Energy in use
Re-certification
Controls
Re-furbish & improve
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Integrated approach to project delivery
<Virtual Environment> model of the Scottish Parliament
Building
Project location: Glasgow
Master planning
What if climate change?
2050?
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Integrated approach to project delivery
<Virtual Environment> model of the Scottish Parliament
Building
Concept design
Sketch model
VE model
VE models with different glazing percentage
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Integrated approach to project delivery
Schematic design
VE model with 20% glazing Suncast
EPC
Thermal result
Radiance
MacroFlo
Apache System
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Integrated approach to project delivery
Detailed design
CFD
HVAC Cost Plan
Suncast
Simulex
EPC
Radiance
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Model Merge
Original Model Room Data
New Model Room Data
• Changes to Imported Geometry are Updated in <VE> Model
Without Overwriting Input Data
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• Autodesk Revit Architecture 2008, 2009, 2010, 2011
• Autodesk Revit MEP 2008, 2009, 2010, 2011
• ArchiCAD via gbXML
•Microstation, Allplan via gbMXL
•Google Sketchup 6 & 7
• Google Sketchup Pro 6 & 7
The benefits….
…don’t have to rebuild geometry to run analysis…the potential to change the dialog between architects and engineers
What does software does IES work with?
Graphisoft ArchiCAD gbXML
Other gbXML
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IES VE: Autodesk Revit Plug-in Updates
gb
XM
L<
VE
>
How it works:1.Draw Geometry in Autodesk Revit
2. From the Revit Toolbar:
• Set Building Location
• Define Building Parameters:• Building Type• Construction Materials• Building System Types• Room Types
3. Launch IES VE-Toolkits/VE-Pro
4. Choose Analysis Type
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gbXML Hierarchy
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Adjacencies
Adjacencies
We spoke about the importanceof ‘rooms’. Within Revit, you candefine a wall to be an exteriorwall, but this will mean nothingwhen it comes to the gbXMLtranslation. The only way a wallis recognized as an exterior vsan interior wall is by theiradjacencies.
So for an element to be definedas ground floor slab, it is ahorizontal surface adjacent to aroom (otherwise it is a shadingdevice) that is not in contact withany room below. For a floor, it’sa horizontal surface that is incontact with a room above andbelow. For a roof, it’s ahorizontal surface that is not incontact with any room above.
Exterior walls are verticalsurface that is not in contact withan adjacent room on one side
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Adjacencies
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Keep It Simple
Keep your geometry as simple as possible!
• Is this geometry absolutely necessary for the type of analysis I am running?
• Can I eliminate anything from my model? (Purge unused, etc)
• There are often thousands of shading surfaces in a Revit file. If you are doing a daylight analysis, are the 4 cm mullions going to affect the outcome? They will affect the runtime significantly.
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Basic Modelling - Columns
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Basic Modelling – Problem Wall Conditions
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Basic Modelling – Problem Wall Conditions
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Basic Modelling – Shading Elements
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Basic Modelling – Openings
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IES VE: gbXML “Healing Tools”
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<Virtual Environment> Software Suite Integrated sustainable building design analysis toolsDr Sarah Graham ([email protected])