If probability density functions of stress and strength are definite, stress strength interference model can be used to calculate reliability using formulation or numerical value integration.
应力、强度概率密度函数确定可采用应力-强度干涉模型，用公式或数值积分求可靠度。
Then, the complex integral calculation problem in the reliability model of stress and strength interference was simplified by using the Monte Carlo Simulation Method.
其次，采用应力与强度干涉模型和蒙特卡罗模拟法，解决了可靠度计算公式中复杂积分的计算问题。
Impact stress and impact strain are solved by energy method. Stress - strength interference model can be used to impact investigation. Reliability design of impact has been studied.
用能量法求冲击应力和冲击变形。并将应力强度干涉模型运用于冲击问题，讨论了冲击的可靠性设计。
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