SOLUTION OF DIFFERENT HOLES SHAPE BORDERS OF FIBRE REINFORCED COMPOSITE PLATES BY INTEGRAL EQUATIONS

Accurate boundary conditions of composite material plates with different holes are founded to settle boundary condition problems of complex holes by confurmal mapping method upon the nonhomogeneous anisotropic elastic and complex function theory.And then the two stress functions required were founded on Cauchy integral by boundary conditions.The final stress distributions of opening structure and the analytical solution on composite material plate with rectangle hole and wing manholes were achieved.The influences on hole-edge stress concentration factors are discussed under different loads and fiber direction cases,and then contrast calculates are carried through FEM.