Physical equation for Plane stress problem 平面应力问题的物理方程 Ex+ua =E/(1-2)6+ue1=E/(1-y2) r 00(1-μ)/2r 0 8 }={a,Dl=E(1-2p10 8 00(1-)/2 {o}=[Dl{e} 徐汉忠第一版20007 弹性力学第六章有限元徐汉忠第一版2000/7 弹性力学第六章有限元 10 Physical Equation for Plane Stress Problem 平面应力问题的物理方程 x x+y 1  0 x y = E/(1-  2 ) y+x = E/(1-  2 )  1 0 y xy rxy(1-)/2 0 0 (1-)/2 rxy x 1  0 x {}= y [D] = E/(1-  2 )  1 0 {}= y xy 0 0 (1-)/2 rxy {}= [D] {}