双模量复合材料正交叠层矩形薄板的弯曲问题

本文选择一组满足若干特殊条件的无穷幂级数作为位移函数的试函数,并首次将加权残数法应用于双模量复合材料。对于四边简支承受正弦分布载荷的正交叠层矩形薄板,应用加权残数法求得的中性面位置、位移、内力矩和内力和精确解相当一致。

BENDING OF THIN RECTANGULAR PLATES OF CROSS-PLIED BIMODULOUS COMPOSITE MATERIALS

In the Paper, a set of infinite poiwerr series of particular forms to satisfy certain special con litious is cliosen as trial fuuction of the displzcement functions.The scheme of solution by the methoa of weighed residual is applied to the bimodulus composite materials for the first time.Good agreement is obtained between the solutions of MWR and exact closed-form for a simply supporsed cross-plied thin rectangular plate subjected to a sinusoidally normal pressure in the neutral surafce positions, displacements, stress couples and stress resultants.Thereby the method can also be applied to other case of laminates of bimodulus eomposite materials.