folded structures - civil.uq.edu.au - 2016.09.01 - folded structures... · kirigami modular...
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01 September 2016 | 1/50Joe Gattas
Folded StructuresJoe GattasSchool of Civil EngineeringUniversity of Queensland
[email protected] Know Your Neighbours - Folded Structures
01 September 2016 | 2/50Joe Gattas
Origami-Inspired Engineering
Space Solar PanelNASA Jet Propulsion Laboratory
Military ShelterKinetic Structures Laboratory,
University of Notre Dame
Transitional ShelterUniversity of Oxford &
University of Queensland
Origami StentUniversity of Oxford
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Parametric Geometry
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(Sheet) Material & Manufacture
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Folded Structures Lab
Application
Prefabricated Construction
Sandwich & Shell Structures
Thin-Walled Structures
Deployable Structures
Other?
Material/Manuf.
Steel
Timber
Composite
Concrete
Other?
Geometry
Origami
Kirigami
Modular
Non-Linear
Other?
=+
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01 September 2016 | 6/50Joe Gattas
Folded Structures Lab
Application
Prefabricated Construction
Sandwich & Shell Structures
Thin-Walled Structures
Deployable Structures
Other?
Material/Manuf.
Steel
Timber
Composite
Concrete
Other?
Geometry
Origami
Kirigami
Modular
Non-Linear
Other?
Folded Steel Thin-Walled StructuresQuan Shi
Digitally-Fabricated Timber StructuresYousef Al-Qaryouti
Hybrid FRP-Timber-Concrete ConstructionYa Ou
Curved-Surface Pop-Up StructuresTing-Uei Lee
Inflatable Textured Tubes & MiscellaneousZhiming Guo & Others
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01 September 2016 | 7/50Joe Gattas
Digitally-Fabricated Timber StructuresYousef Al-QaryoutiSchool of Civil EngineeringUniversity of Queensland
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01 September 2016 | 8/50Joe Gattas
Precedents - Digital Fabrication & Integral Mechanical Joints- Automated product of
(plywood) parts for full house production
- No additional components or tools for assembly
Sass, L. and Botha, M., 2006. The instant house: A model of design production with digital fabrication. International Journal of Architectural Computing, 4(4), pp.109-123.
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Precedents - Digital Fabrication & Ultra-Modular Construction- Three parts only- Enables:
- distributed fabrication, - interoperability, and - no instructions for
assembly.
Gattas, J.M. and You, Z., 2016. Design and digital fabrication of folded sandwich structures. Automation in Construction, 63, pp.79-87.
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- New technique to computationally-generate parts:1. Parametrise ‘global’ (3D & 2D) geometry 2. Parametrise connection detail
Geometry
3. 1+2 = Manufacturable parts
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Manufacture
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Testing- Uniaxial compression of:
- 9mm/17mm plywood - UB/SHS- Parallel/perpendicular grains- Glued, press-fit, tight-fit
- Range of exhibited failure modes:- Material fracture- Local buckling- Beam/plate buckling, - Inter-veneer delamination- Joint pop-off (friction-loss)
- Explosive (barrel) - Gradual (zipper)
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01 September 2016 | 13/50Joe Gattas
Results17mm SHS
17mm UB9mm UB
9mm SHS
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Future Work- Press-fit application (LVLs?)- Bending-stabilized press-fits
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01 September 2016 | 15/50Joe Gattas
Hybrid FRP-Timber-Concrete ConstructionYa Ou, Dilum Fernando, School of Civil Engineering, University of Queensland
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01 September 2016 | 16/50Joe Gattas
- Hybrid FRP-timber-concrete (FTC) composite panelsConcrete: compression, acoustic isolation, high damping ratioTimber: tension, fire protection
FRP: reliable, geometry flexibility
Material properties
Geometry/Material
2400 570
Basic pattern
Short bottom pattern
Longitudinal pattern
Higher pattern
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01 September 2016 | 17/50Joe Gattas
Testing
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Testing
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Results
- Ductile failures- High capacity- Longitudinal core + shear
bolts improve performance
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Folded SteelThin-Walled StructuresQuan ShiSchool of Civil EngineeringUniversity of Queensland
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PrecedentsArchitectural (Novel Forms) Industrial (Novel Manufacturing)
Robofold, Bentley, and
Kyungeun Ko collaboration,
Royal College 2013
Industrial Origami, Chassis
and methods of forming the
same, 2009
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Precedents
All Images: Industrial Origami <http://www.industrialorigami.com/home.cfm>
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Geometry
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Fabrication
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Testing – Compression
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Results
Numerical Analysis in Abaqus1. Linear buckling analysis to
generate defect2. Nonlinear Riks Analysis for post-
buckling behaviourGood prediction of ‘symmetric’ case
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Results
Boundary condition and eccentric centre-of-loading for ‘asymmetric’ case
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-4
1
6
11
0 10 20 30 40 50 60 70 80 90 100Dis
pla
cem
ent
mm
Node number
2 22 32 62
72 82 102 112
Unit: second
DIC Extracted Profile
Results
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01 September 2016 | 30/50Joe Gattas
Future Work- Additional elements – beam, joints- Additional assemblies – frames, space truss
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Interlude – Integrated Digital Design
Parametric Geometry
Analysis
Digital Fabrication
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Interlude – Integrated Digital Design
Parametric Design
CAD (Design)
Analysis Optimisation
BIM (Construction)
Digital Fabrication Robotic Construction
Operations SimulationVisualisation & Monitoring (VR, AR, Scans, Smart Sites)
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01 September 2016 | 33/50Joe Gattas
Curved-SurfacePop-Up StructuresTing-Uei LeeSchool of Civil EngineeringUniversity of Queensland
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01 September 2016 | 34/50Joe Gattas
Precedents- Simplified curved-crease origami parametrisation
enabled engineering explorations
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01 September 2016 | 35/50Joe Gattas
Precedents- Applications:
- Sandwich panels – improved- Crash cans – same- Subsea pipelines - same
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01 September 2016 | 36/50Joe Gattas
Precedents- Applications:
- Thin-Walled Sections – big improvement
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01 September 2016 | 37/50Joe Gattas
Geometry/Manufacture- Bending-active (non-linear elastic) composite panels
- 3D surface scanning
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01 September 2016 | 38/50Joe Gattas
Testing – Surface Error
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Results
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MiscellaneousVisiting Students, 4th year Thesis, School of Architecture, IcarusSchool of Civil EngineeringUniversity of Queensland
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Zhiming Guo – Hyperelastic Tubes - Textured (origami) geometries strengthen against propagation buckling failures in
ductile metal pipelines.- Similar strengthening against bulge instabilities in hyperelastic textured tubes?
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Testing/Results
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4th Year Thesis & UQ Composites- Folded Fabrication of FRP-Timber hollow sections
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01 September 2016 | 47/50Joe Gattas
Icarus – Folded Frame Structures
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01 September 2016 | 48/50Joe Gattas
Icarus & Architecture – Fish Lane Follies
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Icarus & Architecture – Translucent Structures
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Thank You & Questions