Forwarding Klaus reply. My answer follows.
On 28/01/14 01:14, Klaus Thoeni wrote: > Hi Bruno, > > the main difference is that the contact stiffness kn and the ratio kt/kn are > defined in the IP2 functor as indicated in the commit massage via MatchMakers > (btw, I think we should use them more often, especially if you deal with > various materials in one simulation they become very handy). Further, it > provides to Ip2 functors: > - Ip2_FrictViscoMat_FrictViscoMat_FrictViscoPhys: contact between two > FrictViscoMats > - Ip2_FrictMat_FrictViscoMat_FrictViscoPhys: contact between a FrictMat and a > FrictViscoMat but using normal viscous damping > > The Law is linear elastic-plastic (Cundall Strack) with normal viscous > damping. The model is very simple and avoids all the other parameters and if > statements as in the current viscoelastic law. > > IMO, there is a potential of merging FrictViscoMat with ViscElMat. However, I > wanted to commit this law so that we can see the advantage of using > MatchMaker > and IP2 functors between different materials. Last but not least I think we > could probably split visco-elastic and capillary parameters. > > Anyway, I am glad you asked because I see potential of improving on both > sides. What do you think? > > BTW, any other news? > > Cheers > Klaus > > > On Monday 27 January 2014 16:03:19 Bruno Chareyre wrote: >> Hi Klaus, >> There has been significant work recently on the older viscoelastic law, >> now reaching a level of maturity. >> Could you please explain how this one is different? >> >> Regards >> >> Bruno >> >> On 24/01/14 23:55, nore...@launchpad.net wrote: >>> ------------------------------------------------------------ >>> revno: 3804 >>> committer: Klaus Thoeni <klaus.tho...@gmail.com> >>> timestamp: Sat 2014-01-25 08:59:41 +1100 >>> >>> message: >>> new simple contact law with normal viscose damping which allows to >>> specify kn and ks/kn in Ip2> >>> added: >>> pkg/dem/FrictViscoPM.cpp >>> pkg/dem/FrictViscoPM.hpp >>> >>> 0 >>> -- >>> lp:yade >>> https://code.launchpad.net/~yade-pkg/yade/git-trunk >>> >>> Your team Yade developers is subscribed to branch lp:yade. >>> To unsubscribe from this branch go to >>> https://code.launchpad.net/~yade-pkg/yade/git-trunk/+edit-subscription >>> >>> >>> _______________________________________________ >>> Mailing list: https://launchpad.net/~yade-dev >>> Post to : yade-dev@lists.launchpad.net >>> Unsubscribe : https://launchpad.net/~yade-dev >>> 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 >> ________________ -- _______________ 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 ________________ _______________________________________________ Mailing list: https://launchpad.net/~yade-dev Post to : yade-dev@lists.launchpad.net Unsubscribe : https://launchpad.net/~yade-dev More help : https://help.launchpad.net/ListHelp