Based on the theory of interaction of fluid-solid, tridimensional FEM model of dam-aircushion-water is introduced.The vibration isolation mechanism and effectiveness of air cushion has been studied.

• 摘要从流固耦合理论出发，介绍了坝体-气幕-库水隔震的三维有限元理论模型，研究了气幕隔震的减震机理和隔震效果。