Transactions of the JSME (in Japanese)
Online ISSN : 2187-9761
ISSN-L : 2187-9761
Solid Mechanics and Materials Engineering
Stress history estimation of machine structure (A procedure for generating stress estimation equation using simulation and response surface)
Takashi ONOZATOSaku EGAWATakeshi TAKAHASHITakayuki SHIMODAIRATakashi NAGANAWA
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2016 Volume 82 Issue 843 Pages 16-00125

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Abstract

In this paper, we propose the method of estimating the stress history from the measured state quantity data from operating machine by creating a stress estimation equation for each evaluation point. We also report how to create the stress estimation equation. We are able to estimate the stress history throughout the machine structure. To accurately verify the stress estimation equation, we performed excavation with actual machine and measured the quantity of state and the stress. We calculated the estimated stress history by using the measured data. As a result of comparing the estimated value with the measured value, the accuracy of estimation was good in the defined region of stress estimation equation.

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© 2016 The Japan Society of Mechanical Engineers
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