## 留言板

 引用本文: 党发宁, 荣廷玉, 孙训方. 正交各向异性薄板弯曲问题分裂模量有限元法[J]. 应用数学和力学, 2001, 22(9): 943-951.
DANG Fa-ning, RONG Ting-yu, SUN Xun-fang. Splitting Modulus Finite Element Method for Orthogonal Anisotropic Plate Bending[J]. Applied Mathematics and Mechanics, 2001, 22(9): 943-951.
 Citation: DANG Fa-ning, RONG Ting-yu, SUN Xun-fang. Splitting Modulus Finite Element Method for Orthogonal Anisotropic Plate Bending[J]. Applied Mathematics and Mechanics, 2001, 22(9): 943-951.

## 正交各向异性薄板弯曲问题分裂模量有限元法

###### 作者简介:党发宁(1962- ),男,汉族,陕西省富平县人,副教授,计算力学博士,副所长.
• 中图分类号: O242.21

## Splitting Modulus Finite Element Method for Orthogonal Anisotropic Plate Bending

• 摘要: 讨论了建立分裂模量有限元法的必要性,推导了正交各向异性薄板弯曲问题分裂模量变分原理的泛函,以此为基础建立了该问题的分裂模量有限元法。该模型的特点是其中含有一个被称为分裂因子的参数,通过算例说明:适当调整分裂因子的值,可以达到调整有限元模型的刚度、降低有限元刚度矩阵的谱条件数、克服常规有限元病态问题的目的,最后分析了克服病态问题的机理。
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##### 出版历程
• 收稿日期:  2000-02-28
• 修回日期:  2001-03-23
• 刊出日期:  2001-09-15

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