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平均函数与有限元基函数的平均修正

齐朝晖, 陆佑方, 冯冠民

齐朝晖, 陆佑方, 冯冠民. 平均函数与有限元基函数的平均修正[J]. 力学学报, 1994, 26(6): 739-743. DOI: 10.6052/0459-1879-1994-6-1995-603
引用本文: 齐朝晖, 陆佑方, 冯冠民. 平均函数与有限元基函数的平均修正[J]. 力学学报, 1994, 26(6): 739-743. DOI: 10.6052/0459-1879-1994-6-1995-603
MEAN FUNCTIONS AND MEAN MODIFICATION OF FINITE ELEMENT BASIS FUNCTION[J]. Chinese Journal of Theoretical and Applied Mechanics, 1994, 26(6): 739-743. DOI: 10.6052/0459-1879-1994-6-1995-603
Citation: MEAN FUNCTIONS AND MEAN MODIFICATION OF FINITE ELEMENT BASIS FUNCTION[J]. Chinese Journal of Theoretical and Applied Mechanics, 1994, 26(6): 739-743. DOI: 10.6052/0459-1879-1994-6-1995-603
齐朝晖, 陆佑方, 冯冠民. 平均函数与有限元基函数的平均修正[J]. 力学学报, 1994, 26(6): 739-743. CSTR: 32045.14.0459-1879-1994-6-1995-603
引用本文: 齐朝晖, 陆佑方, 冯冠民. 平均函数与有限元基函数的平均修正[J]. 力学学报, 1994, 26(6): 739-743. CSTR: 32045.14.0459-1879-1994-6-1995-603
MEAN FUNCTIONS AND MEAN MODIFICATION OF FINITE ELEMENT BASIS FUNCTION[J]. Chinese Journal of Theoretical and Applied Mechanics, 1994, 26(6): 739-743. CSTR: 32045.14.0459-1879-1994-6-1995-603
Citation: MEAN FUNCTIONS AND MEAN MODIFICATION OF FINITE ELEMENT BASIS FUNCTION[J]. Chinese Journal of Theoretical and Applied Mechanics, 1994, 26(6): 739-743. CSTR: 32045.14.0459-1879-1994-6-1995-603

平均函数与有限元基函数的平均修正

MEAN FUNCTIONS AND MEAN MODIFICATION OF FINITE ELEMENT BASIS FUNCTION

  • 摘要: 首次提出了有限元基函数的平均修正法。经过平均修正的有限元基函数,一方面保留了修正前的许多特性,另一方面又使修正后的基函数具有任意阶的导数。从而使单元间包括导数在内的任何不协调性消除。并对引入平均修正后所引起的单元形成,单元组装等过程的改变进行了讨论。
    Abstract: A method is proposed to mean-modify finite element basis functions. In manydspects the meanmodified functions behave much like the unmodified ones,but are muchsmoother,and the non-conformity between elements are completely eliminiated.Also diss-cussed are the change induced in the processes of element forming and assembling.
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出版历程
  • 刊出日期:  1994-11-24

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