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COMPONENT FRACTURE EVALUATION DEVICE, COMPONENT FRACTURE EVALUATION METHOD, AND COMPUTER READABLE RECORDING MEDIUM HAVING COMPUTER PROGRAM RECORDED THEREON
COMPONENT FRACTURE EVALUATION DEVICE, COMPONENT FRACTURE EVALUATION METHOD, AND COMPUTER READABLE RECORDING MEDIUM HAVING COMPUTER PROGRAM RECORDED THEREON
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机译:组件断裂评估装置,组件断裂评估方法以及记录有计算机程序的计算机可读记录介质
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摘要
A probability in which a stress amplitude à p of an operating stress exceeds a stress amplitude à w of a fatigue strength (a fatigue strength excess probability p v0 of a virtual cell) at each virtual cell in which a region of a machine component is equally divided so that one inclusion is contained therein and having a virtual unit volume V 0 is derived on an assumption that a distribution function of an inclusion size ˆš area follows a generalized Pareto distribution. Then a probability in which the stress amplitude à p of the operating stress exceeds the stress amplitude à w of the fatigue strength (a fatigue strength excess probability p fV of the machine component) in at least one virtual cell is derived from the fatigue strength excess probability p v0 .
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