Roof covering . aluminium or aluminium - alloy shaped linear elements 屋顶.铝或铝合金制线状型材
Superconvergence analysis of linear element in 3 - d on anisotropic meshes 各向异性网格下三维线性元的超收敛性分析
Based on the equation of general frequency response functions ( gfrf ) of the non - linear dynamic systems , in this paper , the difference is applied to detect the non - linear element positions in a complex structure 本文在研究非线性系统广义频率响应函数表达式的基础上,导出一种适用于复杂结构中非线性元件位置分布的判断方法。
Then bar element ' s tangential stiffness matrixes are deduced , which is based on the finite element method . the geometrical nonlinearity and material nonlinearity are both considered in the non - linear element stiffness matrix 利用有限元方法,对网壳结构进行了几何和材料非线性分析研究,推导了空间铰接杆单元的几何和材料非线性的刚度矩阵。
In this paper , the boundary problem of laplace equation is changed into the variational equation which is equivalent to the boundary integral equation . using linear element , it is solved by galerkin boundary element method 本文把laplace方程的边值问题转化为边界积分方程后,通过与边界积分方程等价的变分形式,采用线性单元,利用galerkin边界元方法求解。
In an electric circuit, a linear element is an electrical element with a linear relationship between current and output voltage. Resistors are the most common example of a linear element; other examples include capacitors, inductors, and transformers.