随机振动载荷峰值强度的一种工程表述

为了分析以PSD描述的随机振动载荷的峰值强度，将广泛应用于地震工程和冲击环境工程研究中的冲击响应谱概念拓展应用到随机振动峰值分析之中，从理论上导出了各态历经Gaussian随机振动过程冲击响应谱计算的一般方法，并导出了简化的工程应用表达形式。数值模拟结果验证了文中方法的正确性和简化分析结果的有效性。

An Engineering Description Of Peak Strength on Random Vibration Loading

The concept of SRS （Shock Response Spectral）, which was widely applied in earthquake engineering and in shock environmental engineering, was developed to analyze the peak strength on random vibration loading defined by PSD （power spectral density）. A gemeral method was proposed theoretically to compute SRS for an ergodic Gaussian procee random vibration and a simplified expression suitable for engineering application was educed. The numerical simulations was carried out to verify the correctness and validity of the proposed methods.