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Method of Improving FEM Dynamic Property
Authors
丁桦
段鹏飞
江增荣
郭杏林
Publication date
1 January 2010
Publisher
Abstract
采样定理告诉人们进行离散逼近离散尺寸的极限是问题中所涉及最高频率波长的1/2.1/2波长是一理想值,在目前的有限元分析中,通常保证精度的空间离散尺寸远小于这一理想值.文中分析了这一现象的可能原因,同时给出了一种基于有限元的在一定条件下能够改进空间离散效率的动力模拟方
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Institute Of Mechanics,Chinese Academy of Sciences
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Last time updated on 12/02/2018