Hi, Let me point out the fix in Cell.hpp in this commit. For Jan mostly, or perhaps other users of periodic boundary conditions. An error through time integration is removed. Previously, a rigid body rotation of the cell would change the forces when cellDist!=(0,0,0). It is probably not visible in slow moving cells, i.e. with small velGrad*dt.
Bruno -------- Original Message -------- Subject: [Yade-dev] [yade/trunk] 33a8c6: - small fix in the way TriaxialStressController de... Date: Tue, 09 Apr 2013 04:46:21 -0700 From: Bruno Chareyre <bruno.chare...@hmg.inpg.fr> Reply-To: Bruno Chareyre <bruno.chare...@hmg.inpg.fr> To: yade-dev@lists.launchpad.net Branch: refs/heads/master Home: https://github.com/yade/trunk Commit: 33a8c6f403d1cef8e05452e0216c7de5538fbf8a https://github.com/yade/trunk/commit/33a8c6f403d1cef8e05452e0216c7de5538fbf8a Author: Bruno Chareyre <bruno.chare...@hmg.inpg.fr> Date: 2013-04-09 (Tue, 09 Apr 2013) Changed paths: M examples/triax-tutorial/script-session1.py Log Message: ----------- - small fix in the way TriaxialStressController defines meanStress Commit: 422ecb00c710337ede7ace6ae62f8f857c6e975a https://github.com/yade/trunk/commit/422ecb00c710337ede7ace6ae62f8f857c6e975a Author: Bruno Chareyre <bruno.chare...@hmg.inpg.fr> Date: 2013-04-09 (Tue, 09 Apr 2013) Changed paths: M core/Cell.cpp M core/Cell.hpp Log Message: ----------- A more precise integration of contact forces in periodic deformations, using period size of the previous step for the relative velocity update + cache a (matrix x matrix) product for performance (previously re-computed for each other interaction) Commit: b9b4ad01bd72eea57267a3cd81e561225a5823ff https://github.com/yade/trunk/commit/b9b4ad01bd72eea57267a3cd81e561225a5823ff Author: Bruno Chareyre <bruno.chare...@hmg.inpg.fr> Date: 2013-04-09 (Tue, 09 Apr 2013) Changed paths: M pkg/dem/TriaxialStressController.cpp Log Message: ----------- - fix a small bug in the determination of the mean stress (TriaxialStressController) Compare: https://github.com/yade/trunk/compare/956e88b2cd97...b9b4ad01bd72
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