Abstract：The structure of large span is widely used in recent years, which is sensitive to wind load. How to consider the vibration of space structure coupling with air is a difficult problem. In this paper, the vibration of three dimensional spherical structures in incompressible /compressible air is analyzed on the assumption that the boundary is the simple harmonic vibration. Combined with the specific physical model, the theoretical results are discussed in this paper. The following conclusions are obtained: with the incompressible assumption, the surface pressure of structure is linear with the vibration acceleration and the radius of structure, and as for compressible air condition, surface pressure of structure is linear with vibration velocity and has nothing to do with the length of flow field. Finally, numerical simulation has carried out to verify the theoretical solution.
刘平1，付功义2. 球壳在可压缩空气下的耦合振动分析[J]. 振动与冲击, 2016, 35(17): 160-164.
Liu Ping1, Gong-yi Fu2. Analysis of the coupling vibration of spherical shell under compressible air. JOURNAL OF VIBRATION AND SHOCK, 2016, 35(17): 160-164.
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