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- W2364971206 abstract "To improve design performance,the design sensitivity analysis (DSA) for the important structures is necessary. The energy variational formulation of structural vibration systems is introduced and the design sensitivity equation is developed using the adjoint variable. The basic DSA theorems are applied to a raft isolating vibration system used in the shipbuilding engineering. To characterize the changes of the raft thickness, displacement design sensitivity is performed and discussed. First the original and the adjoint structural response are computed by current finite element analysis (FEA) software such as ANSYS, then the global design sensitivity results are obtained by post processing FEA codes with numerical integration. The numerical results show that compared with the central finite difference method, this variational method yields accurate analysis results, and explicit relations for design sensitivity are derived in terms of physical quantities, rather than in terms of sums of derivatives of mass, stiffness and damping matrices." @default.
- W2364971206 created "2016-06-24" @default.
- W2364971206 creator A5073568638 @default.
- W2364971206 date "2004-01-01" @default.
- W2364971206 modified "2023-09-23" @default.
- W2364971206 title "DESIGN SENSITIVITY ANALYSIS OF FREQUENCY RESPONSE SYSTEMS BASED ON ENERGY VARIATIONAL FORMULATION" @default.
- W2364971206 hasPublicationYear "2004" @default.
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