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Civil-Comp Proceedings
ISSN 1759-3433 CCP: 33
DEVELOPMENTS IN COMPUTATIONAL TECHNIQUES FOR STRUCTURAL ENGINEERING Edited by: B.H.V. Topping
Paper XIV.5
Parallel Optimization of Geometrically Nonlinear Truss Structures K.-R. Leimbach and D. Hartmann
Department of Civil Engineering, Ruhr University, Bochum, Germany K.-R. Leimbach, D. Hartmann, "Parallel Optimization of Geometrically Nonlinear Truss Structures", in B.H.V. Topping, (Editor), "Developments in Computational Techniques for Structural Engineering", Civil-Comp Press, Edinburgh, UK, pp 475-484, 1995. doi:10.4203/ccp.33.14.5
Abstract
Parallel computational concepts for the structural optimization
of geometrically nonlinear truss structures are described.
The parallelism in the nonlinear structural analysis and
associated sensitivity analysis is based on decomposition of
the loading environment into individual load cases and of the
structural system into substructures. The partition of the set of
design variables into subsets provides a third level of parallelism.
The optimization problem is parallelized based on
decomposition into suboptimization problems and their coordination.
As an example for the application of the parallel
analysis and optimization methods the design problem of a
wide span roof truss is solved.
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