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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 20
Edited by: B.H.V. Topping and M. Papadrakakis
Paper VI.4

Collapse Analysis of Steel Platforms on Hypercube Computers

N.F.F. Ebecken and M.R. Justino Filho

Civil Engineering Department - Parallel Computer Laboratory, COPPE/UFRJ, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil

Full Bibliographic Reference for this paper
N.F.F. Ebecken, M.R. Justino Filho, "Collapse Analysis of Steel Platforms on Hypercube Computers", in B.H.V. Topping, M. Papadrakakis, (Editors), "Advances in Parallel and Vector Processing for Structural Mechanics", Civil-Comp Press, Edinburgh, UK, pp 233-238, 1994. doi:10.4203/ccp.20.6.4
This paper presents an efficient computational implementation for collapse analysis of offshore frame structures on distributed memory parallel computers. The implementation uses an automatic FEM domain decomposition and a sparse multifrontal method for large scale computing. An incremental-iterative algorithm to simulate the ultimate strength of the structure is used, taking into account an elastic-plastic analysis with strain-hardening and large displacement effects. Numerical examples are presented to demonstrate the efficiency and accuracy of this strategy on the Intel iPSC/860 supercomputer.

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