（1）一般汽车电路的接线规律 （2）识读电路图的一般要点

12.2 原理 12.3 基本概念 12.4 分类 12.5 应用及前景

12.1 基本概念 12.2 原理 12.3 高效毛细管电泳 12.4 分类 12.5 应用及前景

Which of the following expressions most ac curately and simply represents the comple mentary strain energy density Uc of a linear elastic material?

Principle of Virtual Displacements Consider a body in equilibrium. We know that the stress field must satisfy the differential equations of equilibrium. Multiply the differential equations of equilibrium by an \arbitrary\displacement field T

美国麻省理工大学：《结构分析与设计技术》教学资源（讲义）notes122

By looking at the potential energy of an element, what can you conclude about the properties required for the basis functions of an euler -bernoulli beam element? They should be differentiable twice

How many zero eigenvalues do you think any element stiffness matrix (regardless of the type of finite element nterpolation should have in 2D and 3D, respectively?

The finite element method(I for three-diwnensional robles Potential enery applied to one eleet

properties of finite dement soltions Noded point equilibrio At a node, the sow of he elemeat nodal forces s in equilibriun with Hhe externed loads