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An iterative approach for modal analysis of solid rocket motor incorporating frequency dependent modulus
modal analysis eigenfrequency frequency dependent modulus
2014/5/19
The modulus of viscoelastic materials varies with excitation frequency.However,during modal analysis of frequency dependent materials,a material evaluation frequency is necessary because stiffness can...
A study on time schemes for DRBEM analysis of scalar impact wave
Plates Impact Time integration Boundary
2010/10/22
The precise integration and differential quadrature methods are two new unconditionally stable numerical schemes to approximate time derivative with more than the second order accuracy. Recent studies...