C.φ=cy2,x=0,Y=0 It satisfies the compatibility equation V49=0 find the stress components by x=0240y2=2cay=020/0x2=0tx=020xoy=0 for a rectangular plate with its edges parallel to the coordinate axes find the surface force components by (ox+m tsX (mσ+lxy)s=Y the stress function =cy can solve the problem of uniform tension(c>0)or uniform compression (c<0)of a rectangular plate in x direction. P37 Fig3.1.1(c) 徐汉忠第一版20007 弹性力学第三章 8徐汉忠第一版2000/7 弹性力学第三章 8 C. =cy2 , X=0, Y=0 • It satisfies the compatibility equation 4  =0 • find the stress components by x = 2/y 2=2c y =  2/x 2=0 xy =- 2/xy=0 for a rectangular plate with its edges parallel to the coordinate axes, find the surface force components by (lx+m yx)s=X (my+lxy)s =Y • the stress function =cy2 can solve the problem of uniform tension (c>0) or uniform compression (c<0) of a rectangular plate in x direction. P37 Fig.3.1.1(c)