准各向同性基层上椭圆形子层的屈曲

BUCKLING OF IN ELLIPTIC SUBLAMINATE IN A QUASHSOTROPIC COMPOSITE LAMINATE

通过改进文献[1]中假设的挠度函数,使Rayleigh-Ritz法能用于计算准各向同性基层上任意对称椭圆形子层的临界应变,然后以单向层板为主,探讨了临界应变随基层泊桑比ν,椭圆半轴之比λ,子层角θ和单层铺设角α的变化规律。

By improving the function of deflection suggested in reference [1], it is possible to use the Rayleigh-Ritz method to calculate the critical strains of arbitrarily symmetric elliptic sublaminate in a quasi-isotropic base laminate. And then the critical strains of unidirectional Composites as functions of base laminate Poisson's ratio ν, ratio of elliptic semiaxes λ, Sub-laminate angleθ, and fiber angle of each lamina α are studied.