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Wind and Structures Volume 18, Number 1, September 2014 , pages 021-35 DOI: https://doi.org/10.12989/was.2020.18.1.021 |
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Conceptual design of buildings subjected to wind load by using topology optimization |
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Jiwu Tang, Yi Min Xie and Peter Felicetti
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| Abstract | ||
| The latest developments in topology optimization are integrated with Computational Fluid Dynamics (CFD) for the conceptual design of building structures. The wind load on a building is simulated using CFD, and the structural response of the building is obtained from finite element analysis under the wind load obtained. Multiple wind directions are simulated within a single fluid domain by simply expanding the simulation domain. The bi-directional evolutionary structural optimization (BESO) algorithm with a scheme of material interpolation is extended for an automatic building topology optimization considering multiple wind loading cases. The proposed approach is demonstrated by a series of examples of optimum topology design of perimeter bracing systems of high-rise building structures. | ||
| Key Words | ||
| topology optimization; conceptual design; tall buildings; CFD; wind load | ||
| Address | ||
| Jiwu Tang, Yi Min Xie : Centre for Innovative Structures and Materials, School of Civil, Environmental and Chemical Engineering,RMIT University, GPO Box 2476, Melbourne 3001, Australia Peter Felicetti:Felicetti Pty Ltd Consulting Engineers, 4/145 Russell Street, Melbourne, VIC 3000, Australia | ||