固体火箭发动机壳体强度可靠性分析

来源 :内蒙古工业大学学报 | 被引量 : 0次 | 上传用户:w818150
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模拟某型号固体火箭发动机壳体水压试验状态.建立该固体火箭发动机壳体有限元模型,利用ANSYS软件对壳体进行确定性有限元分析找出应力值最大区域,再进行随机有限元分析,求得可靠度.根据所求的可靠度作为理论依据增加壳体承压并再计算可靠度.分析表明:原设计压力保守,在可靠度允许范围内壳体可承受更大压力;对各参量进行灵敏度分析,为结构参数的优化设计提供理论依据.
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