Multitangent-Plane Surface Method for Reliability Calculation
Publication: Journal of Engineering Mechanics
Volume 123, Issue 10
Abstract
In this paper, a multitangent-plane surface method is suggested for calculating the reliability of complex structures of which the limit-state surfaces are not known explicitly. In this approach, multiple tangent planes are used to approximate the actual limit-state surface. Also radial importance sampling is used in conjunction with probabilistic finite-element (PFE) analysis. Numerical results suggest that the new method can be used to improve the accuracy of solutions obtained from first-order second moment (FOSM) analysis and also require considerably less CPU time when compared with Monte Carlo simulation (MCS) analysis. This method is only suitable for the case of a nonlinear concave or convex limit-state surface.
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Information & Authors
Information
Published In
Journal of Engineering Mechanics
Volume 123 • Issue 10 • October 1997
Pages: 996 - 1002
Copyright
Copyright © 1997 American Society of Civil Engineers.
History
Published online: Oct 1, 1997
Published in print: Oct 1997
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