Reliability analysis and optimisation of components with random input variables

Abstract eng:
The behaviour of components with input quantities showing random variations can be studied using the Monte Carlo method together with the Response Surface method. Both methods can also be used in searching for the optimum design parameters, preferably with low sensitivity to the input scatter. The paper explains effective ways for the construction of the response surface, among others the use of dimensional analysis and similarity theory. The use of both methods (MC + RSM) is illustrated on an example of dimensioning of an elastic-plastic beam subjected to impact by a moving body.

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