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Eigenmode analysis of rectangular elements
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DOI：
10.7511/jslx19982039
KeyWord
:
rectangular element,finite element,eigenmode,plane problem
Wang Xuanmin\ \ Liu Guangdong
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Abstract
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Eigenmode analysis is carried out for the bilinear element, the quadratic polynomial element with rotational DOF and the cubic polynomial element with rotational DOF, the performances of these elements are comparied by means of their eigenmodes.