... Finite element numerical matrix 有限元数值矩阵 finite element numerical a 有限元数值分析 finite-element numerical 有限元数值 ...
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提出了一种计算有源腔模式分布的有限元数值矩阵方法。
A numerical matrix method for calculation of optical resonator modes with media inside is proposed.
选择共轭梯度法解决由有限元法形成的大型稀疏矩阵方程，应用FORTRAN语言编制了数值模拟系统软件。
Conjugate gradient method were choosed to solve the large sparse matrix equations induced by the FEM and computer language FORTRAN was used to programme the numerical simulation system software.
基于几何非线性有限元理论，推导了折线形索单元的刚度矩阵，建立了索张拉预应力钢桁架的几何非线性数值分析模型。
Based upon the theories of geometrical nonlinearity, the stiffness matrix of cable elements are put forward and the numerical model of cable-prestressed steel structures are established.
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