FORM ANALYSIS USING CONSISTENT APPROXIMATIONS

Abstract eng:
Using the theory of consistent approximations, we construct an algorithm model for the solution of the optimization problem required in first-order reliability analyses. The algorithm model accounts for approximations in the evaluations of the limit-state function, and uses a test to gradually increase the accuracy of the limit-state function evaluations. The algorithm model leads to a significant reduction in the computational time compared to constantly high-accuracy evaluations of the limit-state function.

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