A mixed Legendre-Galerkin spectral method for the buckling problem of simply supported Kirchhoff plates

A mixed Legendre-Galerkin spectral method for the buckling problem of simply supported Kirchhoff plates
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简支基尔霍夫板屈曲问题的混合Legendre-Galerkin谱法

DOI:
10.1186/s13661-017-0767-z
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发表时间:
2017-03
影响因子:
1.7
通讯作者:
Chen Lizhen
Chen Lizhen
中科院分区:
数学4区
文献类型:
--
作者:
Cao Junying;Wang Ziqiang;Cao Waixiang;Chen Lizhen

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本文发展了一种混合Legendre-Galerkin谱方法来近似求解在一般平面应力张量作用下简支Kirchhoff板的屈曲问题。利用紧算子的谱理论,给出了近似特征值和特征函数的严格误差估计。最后,我们提出了一些数值实验,支持我们的理论结果。
In this paper, we develop a mixed Legendre-Galerkin spectral method to approximate the buckling problem of simply supported Kirchhoff plates subjected to general plane stress tensor. By the spectral theory of compact operators, the rigorous error estimates for the approximate eigenvalues and eigenfunctions are provided. Finally, we present some numerical experiments which support our theoretical results.
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