Method and computer system for establishing a relationship between a stress and a strain
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United States of America Patent
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Feb 3, 2004
Grant Date -
Dec 5, 2002
app pub date -
Mar 27, 2002
filing date -
Apr 4, 2001
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Abstract
The relationship between the stress .sigma. and the strain .epsilon. is firstly established in step 100 with short-term tests as a function of the temperature T. In steps 101 to 104, a Findley model is extended in such a way as to obtain a relationship between the strain .epsilon. and the stress .sigma. as a function of the time t and the temperature T. The two models are combined in steps 105 and 106, so as to obtain overall a relationship between the stress .sigma. and the strain .epsilon. as a function of the time t and the temperature T.
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