SYSTEM AND METHOD FOR FINITE ELEMENT BASED ON TOPOLOGY OPTIMIZATION
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United States of America Patent
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app pub date -
Jun 11, 2008
filing date -
Dec 19, 2006
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Abstract
A method is disclosed for providing an optimal topology for a structure based on a set of design criteria including at least one support point and at least one force to be applied to the structure. The method includes the steps of identifying a plurality of nodes within a structure design domain, and assigning an initial density value to the plurality of nodes. The method also includes the steps of conducting a finite element analysis on the nodes, determining a stress intensity value for each node, ranking the nodes by relative stress intensity values, and adjusting the density value for each node. The method also includes the step of repeating the steps of conducting a finite element analysis on the nodes, determining the stress intensity value for each node, ranking the nodes by relative stress intensity values, and adjusting the density value for each node until a termination criteria is realized, thereby providing an optimal topology.
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