A comparison of three Algorithms for Tracing Nonlinear Equilibrium Paths of Structural Systems
2001) A comparison of three Algorithms for Tracing Nonlinear Equilibrium Paths of Structural Systems. Technical Report TR-01-05, Computer Science, Virginia Tech. (
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The relative efficiencies of the Riks/Wempner, Crisﬁeld, and normal flow solution algorithms for tracking nonlinear equilibrium paths of structural systems are compared. It is argued that the normal flow algorithm maybe both more computationally efficient and more robust compared to the other two algorithms when tracing the path through severe nonlinearities such as those associated with structural collapse. This is demonstrated qualitatively by comparing the relative behaviors of each algorithm in the vicinity of a severe nonlinearity. Quantitative results are presented for the collapse a blade stiffened panel.
|Item Type:||Departmental Technical Report|
|Subjects:||Computer Science > Parallel Computation|
|Deposited By:||User, Eprints|
|Deposited On:||21 May 2002|