Ok, thanks for suggestions! One more question (hopefully, the last for this topic ;) ), do you block boundary particles from another side of specimen from motion?
______________________________ Anton Gladkyy 2010/5/5 Václav Šmilauer <[email protected]> > > But I have a question, how do you do tension-tests? > > I understand, that it is not a usual test for mining rocks, concretes > > and other similar materials, and I have some doubts, how to simulate > > it. > > Using hexagonal packing, there is no "gap" between spheres, where it > > is possible to place a facet. > Hi Anton, it is very common for concrete (ductile fracture). I use > UniaxialStrainer the same as for compression, just setting strainRate>0. > UniaxialStrainer displaces boundary particles, which solves the problem > of gluing particles to supports, since there are no supports. > > Tensile tests are much more senitive to strain rate and dynamic effects > in general, be careful with that (I use .1 of the compression rate). > > Also, you can pre-determine localization by using dogbone (hyperboloid) > specimen, as in examples/concrete/uniax.py. > > HTH, Vaclav > > > > _______________________________________________ > Mailing list: > https://launchpad.net/~yade-users<https://launchpad.net/%7Eyade-users> > Post to : [email protected] > Unsubscribe : > https://launchpad.net/~yade-users<https://launchpad.net/%7Eyade-users> > More help : https://help.launchpad.net/ListHelp >
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