【摘要】 针对雷达罩易受风荷载作用发生破坏的情况,本文从截球形雷达罩表面的风荷载分布形态出发,采用无矩理论对雷达罩内力进行了分析计算,从理论上对模型进行了强度和稳定性分析,并着重阐述了A型复合材料夹芯结构的等效弹性模量和厚度的计算方法。同时,介绍了风荷载的有限元建模方法,用有限元法对模型进行了强度和刚度计算,最后对比了解析法与有限元法的计算结果,分析了它们之间的异同之处。更多还原

【Abstract】 The article describes the shape of wind load on the radome surface and analyzes the internal force of the radome with nonmomental theory of shell,stresses and stability with theoretic formula,equivalent modulus of elasticity and thickness of A-sandwich-composite structure.At the same time,it introduces a finite element modeling method of wind load,makes a computation of strength and rigidity with the finite element method,compares and analyzes the computed result of theoretic formula and finite element method.更多还原