commit:2019:04_05
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commit:2019:04_05 [2019/04/05 13:32] – laruelle | commit:2019:04_05 [2019/04/05 13:55] (current) – laruelle | ||
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====== Commit 2019-05-04 ====== | ====== Commit 2019-05-04 ====== | ||
===== Stabilization of the “Souza” method in ContinuousDamageEvpIsoHHypoMaterial===== | ===== Stabilization of the “Souza” method in ContinuousDamageEvpIsoHHypoMaterial===== | ||
- | Some test cases using the " | + | Some test cases using the " |
To solve this problem I first checked the implementation of all the equations and found no mistakes. | To solve this problem I first checked the implementation of all the equations and found no mistakes. | ||
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I concluded that the problem might be purely numerical so I tried to improve the code and made the following changes: | I concluded that the problem might be purely numerical so I tried to improve the code and made the following changes: | ||
- | 1) I changed the computation of the derivative of the residue with respect to deltaR (effective plastic strain increment) to compute seperately the term relative to the damage (dResD) and to the damage evolution function (dResDD). Those two terms having different order of magnitude in the case where no damage | + | 1) I changed the computation of the derivative of the residue with respect to deltaR (effective plastic strain increment) to compute seperately the term relative to the damage (dResD) and to the damage evolution function (dResDD). Those two terms having different order of magnitude in the case where the damage |
2) I changed the minimum allowed deltaR (effective plastic strain increment) from 1.0e-16 to 0.0. | 2) I changed the minimum allowed deltaR (effective plastic strain increment) from 1.0e-16 to 0.0. |
commit/2019/04_05.1554463928.txt.gz · Last modified: 2019/04/05 13:32 by laruelle