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| Algorithm of free mesh quadrilateral element based on overlap division |
| Revised:August 25, 2001 |
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| DOI：10.7511/jslx20033072 |
| KeyWord:finite element method,quadrilateral elements,paralleled calculation,free mesh method |
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| Abstract: |
| An algorithm of the free mesh quadrilateral element based on overlap division to achieve high accuracy is presented. The algorithm is not any different with the original free mesh method in the fundamental process. At first, create a set of temporary triangular element around every nodal point, and then for every temporary triangular element, generate the quadrlateral elements by using the triangular element and its adjacent triangular elements. Finally, assemble matrices node\|by\|node. Because assembling matrices for the algorithm is node\|by\|node, it is suitable for the paralleled calculation. The results of numerical examples indicate that the algorithm is more accurate than the original free mesh method. |
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