Offshore Technology Research Center

 

Abstract ID# :

A22

Report Title:

Evaluation of Iterative Global/Local Stress Analysis

Authors:

J.D. Whitcomb and K. Woo, Texas A&M University

Report Date:

November, 1991

Iterative global/local finite element stress analysis was used to analyze two configurations with local damage. The procedure was shown to be quite accurate. However, when there are large stiffness difference between the global and local approximations, a variable relaxation scheme is needed to assure reasonable convergence rates.

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