Which of the following expressions represents the rate of work done by the stresses during the deformation of a body of an arbitrary material?

Extend definition to material bodies: total work is the addition of the work done on all particles by forces distributed over the volume W by forces distributed over the surface t·udS

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）notes121

The finite element melod I In FEM I We derived basis functions of arbitrary order for Hhe rod Model

The correct global local node mapping for the quadraticelement mesh in the figure is

3-1凸轮机构的应用和类型 3-2从动件常用的运动规律 3-3凸轮机构压力角 3-4·图解法设计凸轮轮廓曲线

§1—1 运动副及其分类 §1—2 平面机构运动简图 §1—3 平面机构的自由度

集美大学：《机械设计基础》课程教学资源（PPT课件）滚动轴承的组成和类型