Try to have a look at CohesiveFrictionalPM with CFpmPhys and CFpmMat which allow cohesion, tensile strength and moment at contact.
Cheers Luc 2010/9/17 焦利青 <[email protected]> > Hello, > > Yes, you are all right. I mentioned the cohesion-friction model is > Law2_ScGeom_CohFrictPys_ElasticPlastic. I am sorry, I should point out > clearly. As your means, If I would like to consider the effect of moment, > this one is not suitable, isn't it? I know the code of moment algorithm has > been realized in the Cohesionless one. But, the effect of cohesion must be > considered in my model. In the conclusion, if both the moment and cohesion > should be considered, how can I do it? May I have your help? thank you. > > Sincerely > Liqing > > > At 2010-09-16 19:32:15，"Jerome Duriez" <[email protected]> wrote: > > >Hello, > > > >You can find this plastic threshold for the moment in > >Law2_ScGeom_NormalInelasticityPhys_NormalInelasticity (lines 193 to 202 > >of the .cpp). For what concerns the "cohesion-friction model", I assume > >that you speak of Law2_ScGeom_CohFrictPhys_ElasticPlastic, which I know > >less. But a quick look to the .cpp gives me the same feeling than yours, > >that the moment is always elastic. > > > >Jerome > > > >Le 16/09/2010 12:40, 焦利青 a écrit : > >> Hello, > >> > >> I found the moment calculation in cohesion-friction model is different > >> from the traditional algorithm which is listed in the > >> paper(Jean-Patrick Plassiard etl, A spherical discrete element > >> model:calibration procedure and incremental response, 209; N. Belheine > >> etl, Numerial simulation of drained triaxial test using 3d discrete > >> element modeling; Rolling resistance at contacts in simulation of > >> shear band development by DEM). In the traditional algorithms, the > >> slider for rolling starts working if the moment exceeds a value of > >> "eta* Normal force". However, I cannot find the related code described > >> it. If no any condition to relax the moment. then the moment will act > >> all the time. I think it should be wrong. Maybe I haven't found the > >> right file. May I have your help? Thank you. > >> > >> Best > >> Liqing > > > > > > > > ------------------------------ > 全国最低价，天天在家冲照片，24小时发货上门！ <http://yxp.163.com/photo/ep.html?sss=fromyx0911> > _______________________________________________ > 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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