Equilibrium condition b A.0,=)x0。 2 AE.g,-1bx.E.8. Constitutive law o,=E6 0。=E8。 Compatibility condition or E.8(-1)-Es. 2 0 x2=n4-X） 2 Solve the quadratic equation to get Xer 0 -x+4h+x) 3Equilibrium condition s s cr c x b A  2  s E s s    c E c c    s s s cr E c c A E  bx  2 1  Constitutive law Compatibility condition or cr s cr c x h  x  0   ( 1) 0   cr s c x h   cr c c cr s s c bx E x h A E   2 1 ( 1) 0   2 0 1 ( ) 2 cr s cr bx  nA h  x Solve the quadratic equation to get xcr 2 0 3 ( ) 3 1 cr cr s cr I  bx  nA h  x