Optimization of fluid-structure systems by eigenvalues gap separation with sensitivity analysis
Applied Mathematical Modelling(2017)
摘要
•Sensitivity analysis and modal prediction into the optimization of coupled systems.•The modal prediction results can accept a design variables variation up to 10%.•The optimized final structure is approximately symmetric like the original one.•Natural frequencies with structure predominance suffer greater displacement.•Structural optimized shape can be used to place reinforcements or to lessen mass.
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关键词
Fluid–structure interaction,Finite element method,Vibration,Nonlinear optimization
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