金属丝网橡胶隔振器冲击加速度响应分析

Analysis of Shock Response Accelerations of Metal-net Rubber Vibration Isolators

在非线性系统动力学模型基础上,结合金属丝网橡胶非线性力学特性,利用离散法推导金属丝网橡胶隔振器冲击加速度响应的递推计算公式,并将理论计算结果与试验结果进行对比分析,研究结果表明:建立的递推计算公式能够较好地反应金属丝网橡胶隔振系统受冲击载荷后的运动规律,且具有较高计算精度。

Based on the kinetic model of nonlinear system,considering the nonlinear mechanical characteristics of metal-net rubber,a recurrence formula for the description of shock response accelerations of the metal-net rubber vibration isolations under shock load is derived by discrete method.The theoretical calculation results are compared with the experimental ones.It is shown that the established recursive formula can correctly describe the kinetic regulation of the metal-net rubber vibration isolators under shock load,and the calculation results have high accuracies.