Sensitivity analysis of the stability problems of thin-walled structures
作者： Zdeněk Kala
DOI: 10.1016/J.JCSR.2004.08.005
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摘要: Abstract Analysing the system behaviour in relation to input quantities it is often necessary find out what have greatest effect on studied output. The article shows essential methods of applied sensitivity analysis. objective paper analyse influence initial imperfections resistance a member under axial compression. analysis uses Latin Hypercube Sampling simulation method (LHS) [Novak D, Teplý B, Shiraishi N. Sensitivity structures. In: Proc. fifth int. conference civil and structural engineering computing. 1993. p. 201–07; Novak D, Lawanwisut W, Bucher C. Simulation random fields based orthogonal transformation covariance matrix hypercube sampling. Monte Carlo simulation. 2000. 129–36] together with advanced models nonlinear beam finite element method. histograms obtained by measurement [Melcher J, Kala Z, Holický M, Fajkus M, Rozlivka L. Design characteristics steels statistical metallurgical products. Journal Constructional Steel Research 2004;60:795–808] were considered.
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