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- W2356411119 abstract "The basic theories about structural sensitivity analysis are introduced,and the general method of structural optimization and sensitivity analysis based on the finite element method are presented.The finite element structural analysis model is established for a certain machine gun.The bending stiffness,torsion stiffness and the first inherent frequency are selected to form the performance restraints.According to the results of the sensitivity analysis and the demand of high stiffness and light mass,the effective design variables are chosen to optimize the mass and performance of structure,and these dynamical responses of weapon were simulated and contrasted between before and after the optimization by experimental testing results,which show that the matching between inherence vibration frequency and fire frequency becomes better,and the firing accuracy of a machine gun is improved." @default.
- W2356411119 created "2016-06-24" @default.
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- W2356411119 date "2007-01-01" @default.
- W2356411119 modified "2023-09-25" @default.
- W2356411119 title "Structural Dynamical Modification Research of Machine Gun Based on Sensitivity Analysis" @default.
- W2356411119 hasPublicationYear "2007" @default.
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