Abstract
In this study, the Evolutionary Structural Optimization (ESO) is employed for the shape optimization of twodimensional elastic contact problems. This method involves a simple evolutionary and re-meshing procedure based on finite element analysis, in which contact profiles are iteratively modified in terms of the relative levels of contact stress. Through this procedure the high stress concentration on the contact surfaces is progressively reduced and thereby the contact stress distribution evolves towards uniform or some other predetermined patterns. The design examples of contact profiles are presented herein to demonstrate the capabilities of the ESO method for solving two-dimensional contact problems.
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