《Table 3 Natural fre que ncie s and mode shape s of the syste m》

《Table 3 Natural fre que ncie s and mode shape s of the syste m》   提示:宽带有限、当前游客访问压缩模式
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《Design and Testing of a Novel Passive Isolator for a Space Optical Payload》


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The natural frequencies and mode shapes of the VIS can be obtained by solving the characteristic of Eq.(20)using numerical methods.The mass and moment of inertia of the dummy payload are 18.87 kg and 0.267 kg·m2,respectively.Table 3 shows the natural frequencies and mode shapes.It should be know n that the fact that VEM’s stiffness property varies w ith both temperature and frequency is ignored in the proposed dynamic model.The stiffness coefficients of isolators in this dynamic model are static stiffness values obtained by test.