Spatial problems and plane problems 空间问题转化为平面问题。 a spatial problem- a plane problem the body has a particular shape particular external forces. 当物体的形状特殊,外力分布特殊,空间问题 转化为平面问题 Plane problems: plane stress problems and plane strain problems 平面问题:平面应力问题与平面应变问题 徐汉忠第二版2001/10 弹性力学第二章 2徐汉忠第二版2001/10 弹性力学第二章 2 Spatial problems and plane problems 空间问题转化为平面问题。 • a spatial problem a plane problem the body has a particular shape. particular external forces. • 当物体的形状特殊，外力分布特殊，空间问题 转化为平面问题。 • Plane problems: plane stress problems and plane strain problems 平面问题: 平面应力问题与平面应变问题