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第五讲 等参数单元
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<正>从平面有限元的分析我们注意到,弹性体有限元求解过程中产生计算误差的地方主要有两处:第一是单元计算误差,这是由于单元内假设位移场与物体真实位移场不一致造成的。第二是求解基本方程时,计算机运算过程的舍入误差造成的。虽然细分网格、增加单元数可以使假设的位
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CNKI:MGJC200702017
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木工机床
Year: 2007
Issue: 02
Page: 43-47
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