Presented at ACADIA 2010 - NY

1. Structure at the velocity of architecture
ACADIA 2010
Kermin Chok, SE, PE
Project Engineer
Halvorson and Partners
Mark Donofrio
Assistant Professor
University of Oregon
1

2. UAE Pavilion - Foster and Partners
1 Dubai - ASGG EP7 - ASGG
Project Examples
2

3. In this environment
• How do we accelerate structural design?
• Can we effectively support the design intent?
• Is it possible to expand the design space?
3

4. Presentation Overview
• Traditional Workflow
• Halvorson and Partners Workflow
• Geometry
• Database/Script Centric Workflow
• Form Finding
• Expanding the design space
• Optimization
• Visualizations
• Parametric Structural Analysis
Presentation Overview
4

5. Traditional Workflow
5

6. Current challenges Goals
• Architectural vs structural geometry • Unify geometry platforms
• Interoperability • Custom scripts for interoperability
• Point and click approach • Accelerating the design process
• Change management • Change Management
• Broaden the design space
• Enhanced Collaboration
Digital Design Challenges and Goals
6

7. Speed Concept Design
Schematic Design
Design Development
Construction Documents
Construction Admin
Project Timeline
Digital Design Trade-offs
7

8. HP Workflow
8

9. • Architecture - surfaces
• Structure - discrete elements
ͳ Separate beam and wall properties
ͳ Group elements by tier
ͳ Regroup by structural demands
Architectural Massing Structural Geometry
3400 Beam elements
115 Beam properties
Parametric Grasshopper Model
Architectural vs Structural Geometry
9

10. • Adapting to large datasets
ͳ Generation of load combinations
• Change management
ͳ Accumulation of design knowledge
• Sub modeling
ͳ Detailed sub models in synch with global model
• Design team collaboration
ͳ Parrallel post processing of analysis results
Records: 59520
Max 158 284 65 131 79 428 HSS 30x0.75
Min ‐840 ‐284 ‐59 ‐714 ‐93 ‐160 Type Capacity Phi Design
Beam ID LoadCase Position Axial M1 V1 M2 V2 T Prop Name Story Axial Stress Shear Stress End Comp. ‐2504 0.9 Comp. Tension Bend
HP Database
241 34 19.47 ‐840.44 ‐177.55 ‐45.22 ‐716.99 ‐85.18 369.4873829 Main Pipe 2 ‐12.19470278 1.235969232 End Tension 2697 0.9 ‐840.4 0.0 7
241 34 12.98 ‐840.44 ‐153.10 ‐45.21 ‐670.97 ‐85.03 369.4873829 Main Pipe 2 ‐12.19461737 1.233757335 Int Point Bending 2097 0.9 ‐840.4 0.0 6
241 34 6.49 ‐840.43 ‐128.65 ‐45.21 ‐625.03 ‐84.88 369.4873829 Main Pipe 2 ‐12.19453196 1.231545438 Int Point Shear 809 0.9 ‐840.4 0.0 6
241 34 0.00 ‐840.43 ‐104.20 ‐45.20 ‐579.17 ‐84.72 369.4873829 Main Pipe 2 ‐12.19444654 1.229333542 Start Torsion 1931 0.9 ‐840.4 0.0 5
241 31 19.47 ‐820.43 ‐142.69 ‐41.66 ‐713.92 ‐81.49 324.7041679 Main Pipe 2 ‐11.90438422 1.182432833 End ‐820.4 0.0 7
241 31 12.98 ‐820.43 ‐120.16 ‐41.66 ‐669.89 ‐81.34 324.7041679 Main Pipe 2 ‐11.9042993 1.180220884 Int Point ‐820.4 0.0 6
241 31 6.49 ‐820.42 ‐97.63 ‐41.65 ‐625.94 ‐81.19 324.7041679 Main Pipe 2 ‐11.90421437 1.178008934 Int Point ‐820.4 0.0 6
241 31 0.00 ‐820.42 ‐75.11 ‐41.65 ‐582.08 ‐81.03 324.7041679 Main Pipe 2 ‐11.90412945 1.175796985 Start ‐820.4 0.0 5
241 37 19.47 ‐802.28 ‐108.82 ‐38.32 ‐711.47 ‐77.82 283.3361663 Main Pipe 2 ‐11.64089456 1.129212652 End ‐802.3 0.0 7
241 37 12.98 ‐802.27 ‐88.10 ‐38.31 ‐669.43 ‐77.67 283.3361663 Main Pipe 2 ‐11.64081011 1.127000655 Int Point ‐802.3 0.0 6
241 37 6.49 ‐802.26 ‐67.38 ‐38.31 ‐627.47 ‐77.52 283.3361663 Main Pipe 2 ‐11.64072565 1.124788658 Int Point ‐802.3 0.0 6
241 37 0.00 ‐802.26 ‐46.66 ‐38.31 ‐585.59 ‐77.37 283.3361663 Main Pipe 2 ‐11.6406412 1.122576661 Start ‐802.3 0.0 5
242 34 0.00 ‐779.50 120.26 41.68 ‐426.15 ‐92.43 30.19986259 Main Pipe 2 ‐11.31044004 1.341191425 Start ‐779.5 0.0 4
242 34 6.49 ‐779.49 142.80 41.68 ‐476.18 ‐92.59 30.19986259 Main Pipe 2 ‐11.31035318 1.343403279 Int Point ‐779.5 0.0 4
242 34 12.98 ‐779.49 165.35 41.69 ‐526.29 ‐92.74 30.19986259 Main Pipe 2 ‐11.31026631 1.345615133 Int Point ‐779.5 0.0 5
242 34 19.47 ‐779.48 187.89 41.69 ‐576.48 ‐92.89 30.19986259 Main Pipe 2 ‐11.31017944 1.347826986 End ‐779.5 0.0 6
242 31 0.00 ‐765.24 88.34 38.18 ‐439.12 ‐92.13 36.92131461 Main Pipe 2 ‐11.10344707 1.336740833 Start ‐765.2 0.0 4
242 31 6.49 ‐765.23 108.99 38.18 ‐488.98 ‐92.28 36.92131461 Main Pipe 2 ‐11.10336069 1.338952738 Int Point ‐765.2 0.0 5
242 31 12.98 ‐765.22 129.64 38.18 ‐538.93 ‐92.43 36.92131461 Main Pipe 2 ‐11.1032743 1.341164642 Int Point ‐765.2 0.0 5
242 31 19.47 ‐765.22 150.29 38.19 ‐588.95 ‐92.58 36.92131461 Main Pipe 2 ‐11.10318791 1.343376547 End ‐765.2 0.0 6
252 34 0.00 ‐760.24 ‐22.52 ‐23.53 ‐323.99 57.12 280.2225749 Main Pipe 2 ‐11.03098957 0.8288235 Start ‐760.2 0.0 3
252 34 6.49 ‐760.24 ‐35.24 ‐23.52 ‐293.14 56.97 280.2225749 Main Pipe 2 ‐11.03090685 0.826611342 Int Point ‐760.2 0.0 2
252 34 12.98 ‐760.23 ‐47.96 ‐23.52 ‐262.37 56.82 280.2225749 Main Pipe 2 ‐11.03082413 0.824399184 Int Point ‐760.2 0.0 2
252 34 19.47 ‐760.22 ‐60.68 ‐23.52 ‐231.69 56.66 280.2225749 Main Pipe 2 ‐11.03074141 0.822187026 End ‐760.2 0.0 2
241 55 19.47 ‐759.55 ‐138.12 ‐39.21 ‐669.22 ‐76.38 308.8557937 Main Pipe 2 ‐11.02089373 1.108333134 End ‐759.5 0.0 6
241 55 12.98 ‐759.54 ‐116.92 ‐39.20 ‐627.96 ‐76.23 308.8557937 Main Pipe 2 ‐11.02080883 1.106121132 Int Point ‐759.5 0.0 6
241 55 6.49 ‐759.53 ‐95.72 ‐39.20 ‐586.77 ‐76.08 308.8557937 Main Pipe 2 ‐11.02072393 1.103909131 Int Point ‐759.5 0.0 5
241 55 0.00 ‐759.53 ‐74.52 ‐39.20 ‐545.67 ‐75.93 308.8557937 Main Pipe 2 ‐11.02063903 1.101697129 Start ‐759.5 0.0 5
239 34 38.94 ‐758.46 ‐104.34 ‐45.17 ‐575.60 ‐41.35 369.3761302 Main Pipe 2 ‐11.00517999 0.600039284 End ‐758.5 0.0 5
239 34 25.96 ‐758.45 ‐55.49 ‐45.16 ‐531.04 ‐41.05 369.3761302 Main Pipe 2 ‐11.00501325 0.595615311 Int Point ‐758.5 0.0 5
239 34 12.98 ‐758.44 ‐6.64 ‐45.16 ‐486.80 ‐40.74 369.3761302 Main Pipe 2 ‐11.00484652 0.591191337 Int Point ‐758.4 0.0 4
239 34 0.00 ‐758.43 42.19 ‐45.15 ‐442.90 ‐40.44 369.3761302 Main Pipe 2 ‐11.00467978 0.586767364 Start ‐758.4 0.0 4
242 37 0.00 ‐752.28 57.50 34.90 ‐451.38 ‐91.76 43.81889781 Main Pipe 2 ‐10.91547598 1.331414053 Start ‐752.3 0.0 4
242 37 6.49 ‐752.27 76.37 34.90 ‐501.04 ‐91.91 43.81889781 Main Pipe 2 ‐10.91539005 1.333626003 Int Point ‐752.3 0.0 5
242 37 12.98 ‐752.27 95.25 34.91 ‐550.79 ‐92.06 43.81889781 Main Pipe 2 ‐10.91530411 1.335837954 Int Point ‐752.3 0.0 5
242 37 19.47 ‐752.26 114.12 34.91 ‐600.61 ‐92.22 43.81889781 Main Pipe 2 ‐10.91521818 1.338049904 End ‐752.3 0.0 6
239 31 38.94 ‐747.21 ‐75.24 ‐41.62 ‐577.15 ‐44.32 324.5753291 Main Pipe 2 ‐10.84185546 0.643074722 End ‐747.2 0.0 5
239 31 25.96 ‐747.20 ‐30.23 ‐41.61 ‐529.38 ‐44.01 324.5753291 Main Pipe 2 ‐10.8416897 0.638650648 Int Point ‐747.2 0.0 5
239 31 12.98 ‐747.18 14.78 ‐41.61 ‐481.93 ‐43.71 324.5753291 Main Pipe 2 ‐10.84152393 0.634226573 Int Point ‐747.2 0.0 4
239 31 0.00 ‐747.17 59.77 ‐41.60 ‐434.82 ‐43.41 324.5753291 Main Pipe 2 ‐10.84135817 0.629802499 Start ‐747.2 0.0 4
252 31 0.00 ‐741.39 ‐31.51 ‐22.36 ‐335.97 53.27 235.367641 Main Pipe 2 ‐10.75752863 0.772927345 Start ‐741.4 0.0 3
252 31 6.49 ‐741.39 ‐43.60 ‐22.36 ‐307.20 53.12 235.367641 Main Pipe 2 ‐10.75744649 0.770715157 Int Point ‐741.4 0.0 3
252 31 12.98 ‐741.38 ‐55.69 ‐22.36 ‐278.52 52.96 235.367641 Main Pipe 2 ‐10.75736436 0.76850297 Int Point ‐741.4 0.0 2
Records: 59520 0.373 0.065 0.391 0.140 0.246 0.721 0.578 0.721 0.883 0.782 0.883
Max 158 284 65 131 79 428 HSS 30x0.75
Min ‐840 ‐284 ‐59 ‐714 ‐93 ‐160 Type Capacity Phi Design Forces Capacity Ratios H1 H3
Beam ID LoadCase Position Axial M1 V1 M2 V2 T Prop Name Story Axial Stress Shear Stress End Comp. ‐2504 0.9 Comp. Tension Bending Shear Torsion Comp. Tension Bending Shear Torsion H1‐1a H1‐1b Governing HH3‐6 Forced No Tor H3‐6
241 34 19.47 ‐840.44 ‐177.55 ‐45.22 ‐716.99 ‐85.18 369.4873829 Main Pipe 2 ‐12.19470278 1.235969232 End Tension 2697 0.9 ‐840.4 0.0 738.6 96.4 369.5 0.373 0.000 0.391 0.132 0.213 0.721 0.578 0.721 0.883 0.782 0.883
241 34 12.98 ‐840.44 ‐153.10 ‐45.21 ‐670.97 ‐85.03 369.4873829 Main Pipe 2 ‐12.19461737 1.233757335 Int Point Bending 2097 0.9 ‐840.4 0.0 688.2 96.3 369.5 0.373 0.000 0.365 0.132 0.213 0.697 0.551 0.697 0.857 0.755 0.857
241 34 6.49 ‐840.43 ‐128.65 ‐45.21 ‐625.03 ‐84.88 369.4873829 Main Pipe 2 ‐12.19453196 1.231545438 Int Point Shear 809 0.9 ‐840.4 0.0 638.1 96.2 369.5 0.373 0.000 0.338 0.132 0.213 0.673 0.525 0.673 0.830 0.728 0.830
241 34 0.00 ‐840.43 ‐104.20 ‐45.20 ‐579.17 ‐84.72 369.4873829 Main Pipe 2 ‐12.19444654 1.229333542 Start Torsion 1931 0.9 ‐840.4 0.0 588.5 96.0 369.5 0.373 0.000 0.312 0.132 0.213 0.650 0.498 0.650 0.803 0.702 0.803
241 31 19.47 ‐820.43 ‐142.69 ‐41.66 ‐713.92 ‐81.49 324.7041679 Main Pipe 2 ‐11.90438422 1.182432833 End ‐820.4 0.0 728.0 91.5 324.7 0.364 0.000 0.386 0.126 0.187 0.707 0.568 0.707 0.847 0.766 0.000
241 31 12.98 ‐820.43 ‐120.16 ‐41.66 ‐669.89 ‐81.34 324.7041679 Main Pipe 2 ‐11.9042993 1.180220884 Int Point ‐820.4 0.0 680.6 91.4 324.7 0.364 0.000 0.361 0.126 0.187 0.685 0.543 0.685 0.822 0.740 0.000
241 31 6.49 ‐820.42 ‐97.63 ‐41.65 ‐625.94 ‐81.19 324.7041679 Main Pipe 2 ‐11.90421437 1.178008934 Int Point ‐820.4 0.0 633.5 91.2 324.7 0.364 0.000 0.336 0.125 0.187 0.662 0.518 0.662 0.797 0.715 0.000
241 31 0.00 ‐820.42 ‐75.11 ‐41.65 ‐582.08 ‐81.03 324.7041679 Main Pipe 2 ‐11.90412945 1.175796985 Start ‐820.4 0.0 586.9 91.1 324.7 0.364 0.000 0.311 0.125 0.187 0.640 0.493 0.640 0.772 0.691 0.000
241 37 19.47 ‐802.28 ‐108.82 ‐38.32 ‐711.47 ‐77.82 283.3361663 Main Pipe 2 ‐11.64089456 1.129212652 End ‐802.3 0.0 719.7 86.7 283.3 0.356 0.000 0.381 0.119 0.163 0.695 0.559 0.695 0.817 0.752 0.000
241 37 12.98 ‐802.27 ‐88.10 ‐38.31 ‐669.43 ‐77.67 283.3361663 Main Pipe 2 ‐11.64081011 1.127000655 Int Point ‐802.3 0.0 675.2 86.6 283.3 0.356 0.000 0.358 0.119 0.163 0.674 0.536 0.674 0.793 0.728 0.000
241 37 6.49 ‐802.26 ‐67.38 ‐38.31 ‐627.47 ‐77.52 283.3361663 Main Pipe 2 ‐11.64072565 1.124788658 Int Point ‐802.3 0.0 631.1 86.5 283.3 0.356 0.000 0.334 0.119 0.163 0.653 0.512 0.653 0.770 0.704 0.000
241 37 0.00 ‐802.26 ‐46.66 ‐38.31 ‐585.59 ‐77.37 283.3361663 Main Pipe 2 ‐11.6406412 1.122576661 Start ‐802.3 0.0 587.4 86.3 283.3 0.356 0.000 0.311 0.119 0.163 0.633 0.489 0.633 0.747 0.681 0.000
242 34 0.00 ‐779.50 120.26 41.68 ‐426.15 ‐92.43 30.19986259 Main Pipe 2 ‐11.31044004 1.341191425 Start ‐779.5 0.0 442.8 101.4 30.2 0.346 0.000 0.235 0.139 0.017 0.554 0.408 0.554 0.605 0.600 0.000
242 34 6.49 ‐779.49 142.80 41.68 ‐476.18 ‐92.59 30.19986259 Main Pipe 2 ‐11.31035318 1.343403279 Int Point ‐779.5 0.0 497.1 101.5 30.2 0.346 0.000 0.263 0.139 0.017 0.580 0.436 0.580 0.634 0.629 0.000
242 34 12.98 ‐779.49 165.35 41.69 ‐526.29 ‐92.74 30.19986259 Main Pipe 2 ‐11.31026631 1.345615133 Int Point ‐779.5 0.0 551.6 101.7 30.2 0.346 0.000 0.292 0.140 0.017 0.606 0.465 0.606 0.663 0.658 0.000
242 34 19.47 ‐779.48 187.89 41.69 ‐576.48 ‐92.89 30.19986259 Main Pipe 2 ‐11.31017944 1.347826986 End ‐779.5 0.0 606.3 101.8 30.2 0.346 0.000 0.321 0.140 0.017 0.631 0.494 0.631 0.692 0.687 0.000
242 31 0.00 ‐765.24 88.34 38.18 ‐439.12 ‐92.13 36.92131461 Main Pipe 2 ‐11.10344707 1.336740833 Start ‐765.2 0.0 447.9 99.7 36.9 0.340 0.000 0.237 0.137 0.021 0.551 0.407 0.551 0.602 0.596 0.000
242 31 6.49 ‐765.23 108.99 38.18 ‐488.98 ‐92.28 36.92131461 Main Pipe 2 ‐11.10336069 1.338952738 Int Point ‐765.2 0.0 501.0 99.9 36.9 0.340 0.000 0.265 0.137 0.021 0.576 0.435 0.576 0.630 0.624 0.000
242 31 12.98 ‐765.22 129.64 38.18 ‐538.93 ‐92.43 36.92131461 Main Pipe 2 ‐11.1032743 1.341164642 Int Point ‐765.2 0.0 554.3 100.0 36.9 0.340 0.000 0.294 0.137 0.021 0.601 0.463 0.601 0.658 0.652 0.000
242 31 19.47 ‐765.22 150.29 38.19 ‐588.95 ‐92.58 36.92131461 Main Pipe 2 ‐11.10318791 1.343376547 End ‐765.2 0.0 607.8 100.1 36.9 0.340 0.000 0.322 0.138 0.021 0.626 0.492 0.626 0.687 0.681 0.000
252 34 0.00 ‐760.24 ‐22.52 ‐23.53 ‐323.99 57.12 280.2225749 Main Pipe 2 ‐11.03098957 0.8288235 Start ‐760.2 0.0 324.8 61.8 280.2 0.337 0.000 0.172 0.085 0.161 0.490 0.341 0.490 0.570 0.517 0.000
252 34 6.49 ‐760.24 ‐35.24 ‐23.52 ‐293.14 56.97 280.2225749 Main Pipe 2 ‐11.03090685 0.826611342 Int Point ‐760.2 0.0 295.3 61.6 280.2 0.337 0.000 0.156 0.085 0.161 0.476 0.325 0.476 0.554 0.501 0.000
252 34 12.98 ‐760.23 ‐47.96 ‐23.52 ‐262.37 56.82 280.2225749 Main Pipe 2 ‐11.03082413 0.824399184 Int Point ‐760.2 0.0 266.7 61.5 280.2 0.337 0.000 0.141 0.084 0.161 0.463 0.310 0.463 0.539 0.486 0.000
252 34 19.47 ‐760.22 ‐60.68 ‐23.52 ‐231.69 56.66 280.2225749 Main Pipe 2 ‐11.03074141 0.822187026 End ‐760.2 0.0 239.5 61.4 280.2 0.337 0.000 0.127 0.084 0.161 0.450 0.296 0.450 0.525 0.471 0.000
241 55 19.47 ‐759.55 ‐138.12 ‐39.21 ‐669.22 ‐76.38 308.8557937 Main Pipe 2 ‐11.02089373 1.108333134 End ‐759.5 0.0 683.3 85.9 308.9 0.337 0.000 0.362 0.118 0.178 0.659 0.531 0.659 0.787 0.713 0.000
241 55 12.98 ‐759.54 ‐116.92 ‐39.20 ‐627.96 ‐76.23 308.8557937 Main Pipe 2 ‐11.02080883 1.106121132 Int Point ‐759.5 0.0 638.7 85.7 308.9 0.337 0.000 0.338 0.118 0.178 0.638 0.507 0.638 0.763 0.689 0.000
241 55 6.49 ‐759.53 ‐95.72 ‐39.20 ‐586.77 ‐76.08 308.8557937 Main Pipe 2 ‐11.02072393 1.103909131 Int Point ‐759.5 0.0 594.5 85.6 308.9 0.337 0.000 0.315 0.118 0.178 0.617 0.484 0.617 0.739 0.666 0.000
241 55 0.00 ‐759.53 ‐74.52 ‐39.20 ‐545.67 ‐75.93 308.8557937 Main Pipe 2 ‐11.02063903 1.101697129 Start ‐759.5 0.0 550.7 85.4 308.9 0.337 0.000 0.292 0.117 0.178 0.596 0.460 0.596 0.716 0.643 0.000
239 34 38.94 ‐758.46 ‐104.34 ‐45.17 ‐575.60 ‐41.35 369.3761302 Main Pipe 2 ‐11.00517999 0.600039284 End ‐758.5 0.0 585.0 61.2 369.4 0.337 0.000 0.310 0.084 0.213 0.612 0.478 0.612 0.735 0.654 0.735
239 34 25.96 ‐758.45 ‐55.49 ‐45.16 ‐531.04 ‐41.05 369.3761302 Main Pipe 2 ‐11.00501325 0.595615311 Int Point ‐758.5 0.0 533.9 61.0 369.4 0.337 0.000 0.283 0.084 0.213 0.588 0.451 0.588 0.707 0.626 0.707
239 34 12.98 ‐758.44 ‐6.64 ‐45.16 ‐486.80 ‐40.74 369.3761302 Main Pipe 2 ‐11.00484652 0.591191337 Int Point ‐758.4 0.0 486.8 60.8 369.4 0.337 0.000 0.258 0.084 0.213 0.566 0.426 0.566 0.682 0.601 0.682
239 34 0.00 ‐758.43 42.19 ‐45.15 ‐442.90 ‐40.44 369.3761302 Main Pipe 2 ‐11.00467978 0.586767364 Start ‐758.4 0.0 444.9 60.6 369.4 0.337 0.000 0.236 0.083 0.213 0.546 0.404 0.546 0.660 0.579 0.660
242 37 0.00 ‐752.28 57.50 34.90 ‐451.38 ‐91.76 43.81889781 Main Pipe 2 ‐10.91547598 1.331414053 Start ‐752.3 0.0 455.0 98.2 43.8 0.334 0.000 0.241 0.135 0.025 0.548 0.408 0.548 0.601 0.593 0.000
242 37 6.49 ‐752.27 76.37 34.90 ‐501.04 ‐91.91 43.81889781 Main Pipe 2 ‐10.91539005 1.333626003 Int Point ‐752.3 0.0 506.8 98.3 43.8 0.334 0.000 0.269 0.135 0.025 0.573 0.435 0.573 0.628 0.621 0.000
242 37 12.98 ‐752.27 95.25 34.91 ‐550.79 ‐92.06 43.81889781 Main Pipe 2 ‐10.91530411 1.335837954 Int Point ‐752.3 0.0 559.0 98.5 43.8 0.334 0.000 0.296 0.135 0.025 0.597 0.463 0.597 0.656 0.648 0.000
242 37 19.47 ‐752.26 114.12 34.91 ‐600.61 ‐92.22 43.81889781 Main Pipe 2 ‐10.91521818 1.338049904 End ‐752.3 0.0 611.4 98.6 43.8 0.334 0.000 0.324 0.135 0.025 0.622 0.491 0.622 0.684 0.676 0.000
239 31 38.94 ‐747.21 ‐75.24 ‐41.62 ‐577.15 ‐44.32 324.5753291 Main Pipe 2 ‐10.84185546 0.643074722 End ‐747.2 0.0 582.0 60.8 324.6 0.332 0.000 0.308 0.084 0.187 0.606 0.474 0.606 0.713 0.647 0.000
239 31 25.96 ‐747.20 ‐30.23 ‐41.61 ‐529.38 ‐44.01 324.5753291 Main Pipe 2 ‐10.8416897 0.638650648 Int Point ‐747.2 0.0 530.2 60.6 324.6 0.332 0.000 0.281 0.083 0.187 0.581 0.447 0.581 0.685 0.619 0.000
239 31 12.98 ‐747.18 14.78 ‐41.61 ‐481.93 ‐43.71 324.5753291 Main Pipe 2 ‐10.84152393 0.634226573 Int Point ‐747.2 0.0 482.2 60.3 324.6 0.332 0.000 0.255 0.083 0.187 0.559 0.421 0.559 0.660 0.594 0.000
239 31 0.00 ‐747.17 59.77 ‐41.60 ‐434.82 ‐43.41 324.5753291 Main Pipe 2 ‐10.84135817 0.629802499 Start ‐747.2 0.0 438.9 60.1 324.6 0.332 0.000 0.233 0.083 0.187 0.538 0.398 0.538 0.637 0.571 0.000
Structural Analysis Results (Access)
252 31 0.00 ‐741.39 ‐31.51 ‐22.36 ‐335.97 53.27 235.367641 Main Pipe 2 ‐10.75752863 0.772927345 Start ‐741.4 0.0 337.4 57.8 235.4 0.329 0.000 0.179 0.079 0.135 0.488 0.343 0.488 0.554 0.514 0.000
252 31 6.49 ‐741.39 ‐43.60 ‐22.36 ‐307.20 53.12 235.367641 Main Pipe 2 ‐10.75744649 0.770715157 Int Point ‐741.4 0.0 310.3 57.6 235.4 0.329 0.000 0.164 0.079 0.135 0.475 0.329 0.475 0.539 0.500 0.000
Post Processing (Excel)
252 31 12.98 ‐741.38 ‐55.69 ‐22.36 ‐278.52 52.96 235.367641 Main Pipe 2 ‐10.75736436 0.76850297 Int Point ‐741.4 0.0 284.0 57.5 235.4 0.329 0.000 0.150 0.079 0.135 0.463 0.315 0.463 0.525 0.486 0.000
Database/Script Centric Workflow
10

11. Panel Zone Submodeling
Node Submodeling
Sub Modeling
11

12. Form Finding
• Maximize membrane behavior
• 2d and 3d problems
Title:
Project:
Author: Reference:
Title:
Project:
Author: Reference:
Title:
Project:
Author: Reference:
Z
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Strand7 R2.4.1 [Licenced to:Halvorson and Partners]
Model file: Q:Book of KnowledgeForm Finding090805 Form Finding PresentationModelsForm Finding Example.st7
19 February 2010 9:29 am Page 1
Tension Only Z
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Strand7 R2.4.1 [Licenced to:Halvorson and Partners]
Model file: Q:Book of KnowledgeForm Finding090805 Form Finding PresentationModelsForm Finding Example.st7
Result file: Q:Book of KnowledgeForm Finding090805 Form Finding PresentationModelsForm Finding Example.NLA
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Compression Only
Strand7 R2.4.1 [Licenced to:Halvorson and Partners]
Form Finding - Overview Z
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Result file: Q:Book of KnowledgeForm Finding090805 Form Finding PresentationModelsForm Finding Example.NLA
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13. North Shell Form Finding South Shell Form Finding
Before Form Finding After Form Finding
Vol: 1.0 Vol: 0.2
Form Finding - UAE Pavilion
13

14. • Database as hub for interoperability.
• 3d pdfs for communication of structural
options.
3d Model
Site Photos
Form Finding - UAE Pavilion
14

15. Parametric Geometry
Linkage to structural analysis Structural Demand
Expanding the Design Space
15

16. Structural Optimization
• Accelerate the design cycle.
• Objective evaluation of options.
• Incorporate architectural and real world
constraints.
• Dynamic grouping and regrouping of
structural elements.
1 Dubai EP7 2 Way Grid Roof
46,000 Beams 7,000 Beams
26,000 Plates 15,000 Plates
Optimization Overview
16

17. Structural Optimization
Beam Optimization
Plate Optimization Property Contributions
Optimization Results
17

18. Tower Structural System Study
Long Span Roof Depth Study
Optimization Application
18

19. Overturning Moments
Overturning Moments
Deflected Shape
Visualizations - Global Behavior
19

20. Cladding Surface
Lateral Conc Vol
Program Value
Program Area
Gravity Conc
Net Value
Mx
My
Var1
Var2
Var3
Var4
Var5
Var6
Var7
Var8
Var9
Var10
Design of Experiments (Correlations Matrix) Evolutionary Optimization
Load Flow Tower Earthquake Loads
Visualizations - Loading
20

21. 2 Way Slab (Trajectory Studies)
Plate Optimization Beam Density Studies
Visualizations - Topologies
21

22. Parametric Geometry - Structural Analysis
22

23. Closing the Gap
23

24. Conclusions
• Digital design tools are becoming increasingly prevalent and mature.
• Dramatic expansion of the design space is now possible.
• Structural consultants must be equally versed in techiques to be
effective collaborators.
Acknowledgements
• Partnership at Halvorson and Partners.
• Creative visions of our design clients.
• 1 Dubai structural team
• Strand7 & Rhino development team
Scripting gone wrong
Conclusions/Future Explorations
24

25. Questions
25