Damping Characteristics of Viscoelastic Damping Structure under Coupled Condition

Mathematical and Computational Applications

Wang, Jun¹ 

关键词: viscoelastic damping structure;    hyper-viscoelasticity;    damping characteristics;    thermal-mechanical coupling;   

DOI  :  10.3390/mca22010027

学科分类：计算数学

来源: mdpi

【 摘 要 】

Temperature has an influence on damping characteristics of the viscoelastic damping structure. The change of the damping characteristics of the structure under the cycle load is a dynamic and coupled process. The hyperelastic-viscoelastic model was used to describe nonlinear deformation and viscoelasticity simultaneously. The temperature distribution and change of the damping characteristics under the coupled condition was analyzed by finite element method (FEM). The maximum value of the simulation results was in agreement with the one calculated by the formula in the literature. Dynamic stiffness and dissipated energy were obtained based on the hysteresis loop. Dynamic stiffness and dissipated energy gradually decreased with the increase of the temperature.

【 授权许可】

CC BY