The character of the intermediate case structure and load is analyzed in detail. Then the states of stress and strain of 38 aerodynamic load states, 141 maneuvering load states and combined load states are calculated with Finite Element Method.

• 详细分析了中介机匣的结构特点和载荷特点,用有限元法分别计算了 38 种气动载荷状态、141 种机动载荷状态以及气动与机动组合载荷状态下中介机匣的应力、应变状态。