摘要
The computational method (finite element method, FEM) in conjunction with micro mechanics is employed to design and analyze better micro structures of fibrous composites. In this way, the effective mechanical properties can be related quantitatively to the micro structures of the composites. For the optimal design , the geometric parameters are considered as design variables, and the effective elastic and plastic properties as optimal target functions. The effects of fiber shape and distribution on the effective elastic and plastic properties are examined. The numerical results indicate that the overall transverse properties are rather sensitive to fiber geometric parameters.
The computational method (finite element method, FEM) in conjunction with micro mechanics is employed to design and analyze better micro structures of fibrous composites. In this way, the effective mechanical properties can be related quantitatively to the micro structures of the composites. For the optimal design , the geometric parameters are considered as design variables, and the effective elastic and plastic properties as optimal target functions. The effects of fiber shape and distribution on the effective elastic and plastic properties are examined. The numerical results indicate that the overall transverse properties are rather sensitive to fiber geometric parameters.
