strategic integration and automation of conceptual design
DESCRIPTION
Strategic Integration and Automation of Conceptual Design. Haymaker, Law, Gane, Flager, Shkolnik. CIFE Research Proposal. Architecture. Engineering. Computer Sciences. April 26, 2007. The economic and environmental impacts of buildings in the U.S.:. Research Motivation. Energy. - PowerPoint PPT PresentationTRANSCRIPT
Strategic Integration and Automation of Conceptual Design
Haymaker, Law, Gane, Flager, Shkolnik
April 26, 2007
CIFE Research Proposal
Architecture Engineering Computer Sciences
Research Motivation
2Strategic Integration and Automation of Conceptual Design
The economic and environmental impacts of buildings in the U.S.:
Energy Raw materials
Can we do better?
Total building consumption
Impact determined by initial design Best practice reduction1
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Key
35% buildings 30% buildings
(USGBC, 2007)
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Limitations of Current Practice
3Strategic Integration and Automation of Conceptual Design
Analysis toolsAnalysis tools
2Strategic Integration and Automation of Conceptual Design
DAYLIGHT (RADIANCE, ECOTECT)
ACOUSTIC (ECOTECT)
CFD (FLUENT, FLOVENT)
STRUCTURAL (ETABS, SAP2000)
SOLAR RADIATION (ECOTECT, IES)
SHADOW (ECOTECT)
Analysis toolsAnalysis tools
2Strategic Integration and Automation of Conceptual Design
DAYLIGHT (RADIANCE, ECOTECT)
ACOUSTIC (ECOTECT)
CFD (FLUENT, FLOVENT)
STRUCTURAL (ETABS, SAP2000)
SOLAR RADIATION (ECOTECT, IES)
SHADOW (ECOTECT)
Analysis toolsAnalysis tools
2Strategic Integration and Automation of Conceptual Design
DAYLIGHT (RADIANCE, ECOTECT)
ACOUSTIC (ECOTECT)
CFD (FLUENT, FLOVENT)
STRUCTURAL (ETABS, SAP2000)
SOLAR RADIATION (ECOTECT, IES)
SHADOW (ECOTECT)
schedule constraints → limited use in conceptual design current methods → few options generated & analyzed
We have the tools:
Benchmarking Current AEC Practice
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GENERATE ANALYZE DECIDEConstruct Geometry
Add analytical properties
Run Analysis
Evaluate Design
Coordinate Design
Optimize Design
Evaluate Program
Choose Design Theme / Goals
Construct Geometry
- Automated Process
- Semi-automated Process
- Manual Process
Conceptual / Schematic Design
METRICS
- Specification
- Management
- Execution
Process Duration (WEEKS)
7wks 5wks
. . . .
# iterations 20wks - 2.6
Analysis Framework (metrics)
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MDA Tasks Definitions
Specificatio
n
Tasks(Processes) Determine what needs to be done and who does it?
Schemas(Information)
Determine what information is used and produced?
Execution Generate options & perform analyses
Manageme
nt
Integration Exchange information between processes
Communication Exchange information between people
Coordination Respond to conflicts and changes
Boeing MDA Process
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GENERATE ANALYZE DECIDE
Conceptual / Schematic Design
METRICS
- Specification
- Management
- Execution
Process Duration (WEEKS)
6wks 4wks
. . . .
# iterations 20wks - 6 (initial)- 4 (reuse)
28wks 1.5hrs
. . . .
# iterations 20wks - 28 (initial)- 1.5 hrs (reuse)
MDO
LegacyConstruct Geometry
Add analytical properties
Run Analysis
Evaluate Design
Coordinate Design
Optimize Design
Evaluate Program
Choose Design Theme / Goals
Construct Geometry
- Automated Process
- Semi-automated Process
- Manual Process
PIDO Implementation - Aerospace Industry
7Strategic Integration and Automation of Conceptual Design
Take
-off
gros
s w
eigh
t rati
o (T
OG
W)
Excess Propellant Fraction
Design Variables selected for vehicle optimisation
Hypersonic baseline vehicle versus optimized shape - Improved TOGW by a 39% margin despite an increase in drag
Research Tasks
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Task Method
1 Benchmark current MDA 1.1 Directed interview
2 Generate options 2.1 Directed interview2.2 Parametric modeling
3 Integrate MDA processes3.1 Directed interview3.2 Evaluate data schema interoperability3.3 Implement chosen data schema3.4 Integrate entire iteration
4 Process automation and optimization
4.1 Commercial Process Integration Design Optimization (PIDO) software
1. Benchmark Current MDA
9Strategic Integration and Automation of Conceptual Design
Project Company Services
Stanford Graduate School
of Business
Engineering (all
disciplines)
Jinta Tower – Tianjin, China
Architecture, Eng (Structural, MEP)
Case Studies: ARUP & SOM
Deliverables: Current MDA process diagram and metrics
2. Generate Options - Parametric Modeling
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Victor Gane, SOM
Forest Flager, ARUP
Deliverables: Parametric MDA modeling methodology Parametric case study implementation and metrics
3. Integrate MDA Processes - Task & Schema
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IFC: Industry Foundation Classes BPEL: Business Process Execution Language XML: eXtensible Markup Language (aecXML, gbXML, …) Narratives (Haymaker 2004)
Deliverables: Evaluation of existing data schemas Data schema case study implementation and
metrics
4. Process Automation & Optimization - PIDO
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Integration & Automation of Processes Design, analysis and other tools
Design Space Study Design of experiments, optimization, etc…
Steel_Weight
Daylight 65% 80% 100%Lease_Span 49ft 35ft 55ft
Steel Weight Optimization
Bottom_Radius 181ft 181ft 180ft 210ft Middle_Radius 197ft 197ft 195ft 225ftTop_Radius 172ft 172ft 165ft 195ft
Deliverables: Reusable process for two case studies PIDO case study implementation and
metrics
Schedule, Deliverables
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Quarter 1 Quarter 2 Quarter 3
Benchmark current MDA
Parametric modeling
Data schema implementation (entire iteration)
Current MDA process diagram and
metrics Evaluation of existing data
schemas
Evaluate data schema interoperability
Reusable process for two case studies PIDO case study implementation and metrics Journal paper CIFE Member ICE-Charrette
Parametric MDA modeling methodology Parametric case study implementation and metrics Data schema case study implementation and metrics
Rese
arch
Tas
ksD
eliv
erab
les
Process automation and optimization
PhD studentsVictor Gane – (3 Quarters) Alex Shkolnik – (3 Quarters)Forest Flager – (3 Quarters) (SGF)
Programmer – 20 hrs / week (3 Quarters) Haymaker – 1% Law – 1%
Total: $125,000
Offer CIFE members methodology implementation on their projects Approach participating companies (SOM / ARUP) for increased support Work provides cornerstone for Haymaker NSF career proposal
Funding
Future
Relationship to CIFE goals
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Schedule performance Significant reduction in MDA iteration time
Cost conformance Accurate quantity take-offs for cost estimation
Sustainability Early stage MDA decision-making based on simulation of building performance
2015
VDC implementation Formalization of parametric methods & PIDO implementation
Integration 4 analyses (floor plate efficiency, daylight, structure & air flow)
Automation Use PIDO to automate current AEC practice to > 30%
2010
Questions
POD’s: Other Methodologies
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Product Lifecycle Management (PLM) - An product design and management software - Primarily used in manufacturing industries
Semantic Integration (KIF, PIF & PSL)
Business Process Management (BPM) - Heterogeneous process specification and workflow management - Multi-organizational process oriented
Future work: Map solutions within PLM and BPM to AEC design practice