中文摘要：

以半椭球形充气膜结构为例,运用通用有限元程序ANSYS,通过改变初始形态下内压、摩擦系数、膜厚,对气承式充气膜结构的初始形态进行索膜接触分析,同时将接触模型与共节点模型进行了对比分析.分析结果表明：索可以等效为边界约束,使得结构刚度增大,增强了结构的整体稳定性;合理的内压可以使索与膜面获得比较均匀的预应力;摩擦系数对膜材的选择具有一定的参考价值;膜厚对接触分析各结果的影响不同,在膜结构设计时应予以考虑;接触模型比共节点模型更合理.

英文摘要：

Taking semi-ellipsoid inflatable membrane structure as an example and by changing pressure, friction coefficient and membrane thickness, the cable-membrane contact of the initial form of air-supported membrane structures is analyzed by using general finite element program ANSYS. At the same time, the contact model and the common node model are compared with each other. Results show that the cable can be regarded as boundary constraints, as it increases the structural stiffness and enhances the overall stability of the structure. Reasonable internal pressure ensures that the cable and the membrane surface have good distributed prestress. The friction coefficient provides some reference for the selection of membrane material. Membrane thickness produces different effects on the results of contact analysis, which should be taken into account in the membrane structure design. The contact model is better than the common node model.