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首页> 外文期刊>Journal of Mechanical Science and Technology >Optimization of a finite element mesh for plates subjected to in-plane patch loading
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Optimization of a finite element mesh for plates subjected to in-plane patch loading

机译：用于经受面内贴剂负载的平板的有限元啮合物的优化

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摘要

In designing in-plane stressed thin plates, the loading condition where the uniform distributed edge forces are locally applied along one or more of the plate's boundaries is often encountered. We investigated the optimal grid pattern that can be used in the analysis of the displacement and stress fields of a simply supported thin plate partially compressed. The plate modelling was created by means of an isoparametric rectangular element. This grid pattern was designed to satisfy good accuracy with low density. A convergence analysis was performed through different sets of meshes locally refined in a judicious way. For each focused field, the critical plate area was searched. Displacement and max stress values were recorded in the respective searched critical zone. Good results were obtained in seeking stress and displacement fields using, respectively, a small and a more expanded local refinement.
机译：在设计内压力薄板中，通常遇到沿着一个或多个板的边界局部施加均匀分布边缘力的装载条件。 我们调查了可用于分析的最佳网格图案，其在部分压缩的简单支撑的薄板的位移和应力场的分析中。 通过异戊酰胺矩形元件创建板材建模。 该网格图案设计为满足低密度的良好精度。 通过以明智方式局部地精制的不同一组网格进行收敛分析。 对于每个聚焦领域，搜索临界板区域。 在相应搜索的关键区域中记录位移和最大应力值。 在寻求压力和位移场使用的情况下，获得了良好的结果，可以使用小而更加扩展的局部改进。

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