To analyze the influence of structural parameters on the dynamic stiffness and lag angle of hydraulic mount,a lumped parameter method was employed to construct a dynamic model of the hydraulic mount.Subsequently,the effects of the cross-sectional area,length,upper chamber flexibility,liquid inertia coefficient,and liquid damping coefficient of the inertia channel on mount characteristics were analyzed.The results show that with the increase of the cross-sectional area,length,upper chamber flexibility and liquid inertia coefficient of the inertia channel,the peak values and peak frequencies of the dynamic stiffness and lag angle of the hydraulic mount increase accordingly;while changing the liquid damping coefficient of the inertia channel only influences the peak values of the dynamic stiffness and lag angle of the hydraulic mount.
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