Generalized conforming triangular elements for plate bending
作者:
Long Zhifei,
期刊:
Communications in Numerical Methods in Engineering
(WILEY Available online 1993)
卷期:
Volume 9,
issue 1
页码: 53-65
ISSN:1069-8299
年代: 1993
DOI:10.1002/cnm.1640090110
出版商: John Wiley&Sons, Ltd
数据来源: WILEY
摘要:
AbstractBased on the modified principle of potential energy, three triangular thin‐plate elements with nine degrees of freedom (LZ1, LZ2 and LZ3) are derived by using compatibility conditions for nodal deflection at each node and generalized compatibility conditions for average deflection and average normal slope along each side of the element. These generalized conforming elements are low‐order and high‐precision elements which pass the patch test. When overall considerations of accuracy, simplicity and reliability are taken into account, these new elements are the best 9‐DOF triangular thin‐plate elements currently
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