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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 20
ADVANCES IN PARALLEL AND VECTOR PROCESSING FOR STRUCTURAL MECHANICS
Edited by: B.H.V. Topping and M. Papadrakakis
Paper IV.6

A Domain Decomposition for Large Scale Structural Optimization

F. Spengemann and G. Thierauf

Baumechanik-Baustatik, Fachbereich Bauwesen, Universitat GH Essen, Essen, Germany

Full Bibliographic Reference for this paper
F. Spengemann, G. Thierauf, "A Domain Decomposition for Large Scale Structural Optimization", in B.H.V. Topping, M. Papadrakakis, (Editors), "Advances in Parallel and Vector Processing for Structural Mechanics", Civil-Comp Press, Edinburgh, UK, pp 159-164, 1994. doi:10.4203/ccp.20.4.6
Abstract
A domain decompostion method for large scale structural optimization is proposed. A block diagonal preconditioning scheme is used to partition the structural model into a number of smaller subsystems and to approximate the state variables. In this two level approach the optimization is done on the lower level, on the upper level the coordination of the subsystems is performed by approximating the Lagrange multipliers of the optimality criteria.

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