【摘要】 建立了发泡聚乙烯缓冲包装系统的缓冲模型,运用四阶变步长Runge-Kutta方法,计算出了此非线性系统在半正弦脉冲冲击下的冲击响应谱,并讨论了参数λ1,λ2和λ3对冲击谱的影响规律。更多还原

【Abstract】 Cushioning model of two degrees of freedom for expanded polyethylene cushioning packaging system was established.The shock response spectrum of the nonlinear system under the action of half-sine pulse was calculated using Runge-Kutta method.The influencing rule of parameter λ1,λ2,and λ3 on shock response spectrum was discussed.更多还原