Firstly, the eigen vector matrix and eigen value of Jacobian matrix of governing equations for the real gas flows in general curvilinear coordinate system are deduced.
首先对真实气体流动的数值模拟方法进行了研究,推导了任意曲线坐标系下真实气体流动控制方程雅克比(Jacobian)系数矩阵的特征向量矩阵和特征值;
Stiffness matrix and load vector were founded on developing eigen-equation for wall element and applying principle of virtual work.
通过推导单元特征方程的解及应用虚功原理,建立了墙元的刚度矩阵和荷载向量。
The generalized eigen analysis is employed to directly and effectively estimate the ellipse parameter vector. The detectability and fitting accuracy are significantly improved.
并通过直接估计椭圆参数的广义本征分析技术,进一步提高椭圆的可检测性和拟合精度。
The new method is based on combining perturbation method of eigen-problems with rational approximation of a vector-value function .
提出了一种新的结合特征灵敏度直接法和向量值函数有理逼近的结构动力重分析方法。
The matrix arranged by main eigen-vector possesses lower dimensions, so no pseudo peak will appear.
由于主特征矢量排出的矩阵阶数较低,也不会出现伪峰。
The matrix arranged by main eigen-vector possesses lower dimensions, so no pseudo peak will appear.
由于主特征矢量排出的矩阵阶数较低,也不会出现伪峰。
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