1. In the article we analyse the structure compose, the endure force status, the request of strength and stability on the domed bulkhead with nonaxisymmetry sphere-conical transitional annulated shell. 系统分析了带有非轴对称球锥过渡环壳的球面舱壁的结构组成、受力工况、强度与稳定性要求,用有限元方法对各参数进行了强度优化与稳定性优化。