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[Question #226868]: On the unify of all the 3-d triaxial compression

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From: wangxiaoliang <question226868@xxxxxxxxxxxxxxxxxxxxx>
Date: Wed, 17 Apr 2013 02:06:12 -0000
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New question #226868 on Yade:
https://answers.launchpad.net/yade/+question/226868

These days, I found that ThreeDTriaxialEngine and TriaxialCompressionEngine are both deprecated, but still can be run. 

After I read the source code of TriaxialStressController and ThreeDTriaxialEngine, I found that the main differences are below

1) using stressMask instead
2) using goal1 2 3 instead sigma1 2 3

It is very good to unify all of the engines as a one. But still I have problems to run the triaxial compression tests which I run successfuly 2 months ago.

questions
1) Are ThreeDTriaxialEngine and TriaxialCompressionEngines going to be moved away some day?
2) I used yade (point maybe Oct. 2012) using ThreeDTriaxialEngine to  run a series of tests, but nowadays I found it is difficult to converge, what is the main difference for these engines between 
ThreeDTriaxialengine and today's, especially on the topics of strainRate, stressdamping, straindamping?

regards

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