Hi Jérôme, It seems the "tutorial" triax is broken after the sign changes. Can you please have a look? https://answers.launchpad.net/yade/+question/258550
Bruno On 24/11/14 19:20, Jerome Duriez wrote: > Dear Yade users, > > Changes were introduced recently in the code of "Triaxial" engines > (e.g. TriaxialStressController) : see code update [1] for details. > Stress / strain-like attributes of such engines are now to be > considered as positiv in tension. > > We understand this could appear as unconvenient to the geomechanics > guys, and it will require you update your local scripts, in case you > update your yade version. But the aim was to have an unique framework > throughout the whole code so that users do not have to check in the > doc (or in the code...) each time they set or get a stress / strain > value using Yade. We are much closer from this goal now. > Note that post-processing operations in python example scripts still > reflect the geomechanics point of view, with curves designed on > purpose to show positiv values. > > Note also that the meaning of TriaxialStressController (and derived > engines) stress attribute has slightly changed. There is now one > unique convention for stress(id), whatever id value : stress(id) > returns the sample stress, as measured along boundary 'id', with 'id' > between 0 and 5. Hence there is no more any sign difference between > stress(0) and stress(1) for example. > > > Second, for what concerns users of CapillaryPhys or > MindlinCapillaryPhys classes, the meaning of fCap has been inverted in > the code update [2]. For a given interaction, fCap corresponds now to > the force sustained by the particle corresponding to interaction.id2 > (it was the force sustained by interaction.id1 before). Here again, > this could require some updates of local scripts on your side, but > corresponds now to a global Yade framework. > > > We hope this will finally improve your Yade experience ! > > Jerome Duriez > > [1] > https://github.com/yade/trunk/commit/19e81a785b19a8eab2718ebb5ad5eb9456355818 > [2] > https://github.com/yade/trunk/commit/40df7e8944bfafa2d6aac19b837e4a091ea29b34 > > > _______________________________________________ > Mailing list: https://launchpad.net/~yade-users > Post to : [email protected] > Unsubscribe : https://launchpad.net/~yade-users > More help : https://help.launchpad.net/ListHelp -- _______________ Bruno Chareyre Associate Professor ENSE³ - Grenoble INP Lab. 3SR BP 53 38041 Grenoble cedex 9 Tél : +33 4 56 52 86 21 Fax : +33 4 76 82 70 43 ________________
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