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[Jan Stránský <question231875@xxxxxxxxxxxxxxxxxxxxx>]

Question #231875 on Yade changed:
https://answers.launchpad.net/yade/+question/231875

    Status: Open => Answered

Jan Stránský proposed the following answer:
Hello,

Have a look on materials [1], IPhys [2,3] and Law [4] classes to choose the
best one to inherit from. To help you more, it would be really valuable to
know what you want to do :-)
For implementation you would need:
- some experience how yade works [5,6]
- source code of Yade (i.e. not installed from packages)
- create new files .hpp and .cpp for you new classes (named somehow
reasonably)
- do yourimplementation (possibly with inspiration from other classes:
   - e.g. [7] for Law functor
   - e.g. [8] for Material
   - e.g. [9] for IPhys
   - e.g. [10] for Iphys functor
- recompile yade

so very brief introductin :-) if you have any (ideally more specific)
questions, do not hesitate to ask
cheers
Jan

[1] https://yade-dem.org/doc/yade.wrapper.html#material
[2] https://yade-dem.org/doc/yade.wrapper.html#iphys
[3] https://yade-dem.org/doc/yade.wrapper.html#iphysfunctor
[4] https://yade-dem.org/doc/yade.wrapper.html#lawfunctor
[5] https://yade-dem.org/doc/tutorial.html
[6] https://yade-dem.org/doc/user.html
[7]
http://bazaar.launchpad.net/~yade-pkg/yade/git-trunk/view/head:/pkg/dem/ElasticContactLaw.hpp
,
http://bazaar.launchpad.net/~yade-pkg/yade/git-trunk/view/head:/pkg/dem/ElasticContactLaw.cpp
[8]
http://bazaar.launchpad.net/~yade-pkg/yade/git-trunk/view/head:/pkg/common/ElastMat.hpp
,
http://bazaar.launchpad.net/~yade-pkg/yade/git-trunk/view/head:/pkg/common/ElastMat.cpp
[9]
http://bazaar.launchpad.net/~yade-pkg/yade/git-trunk/view/head:/pkg/dem/FrictPhys.hpp
,
http://bazaar.launchpad.net/~yade-pkg/yade/git-trunk/view/head:/pkg/dem/FrictPhys.cpp
[10]
http://bazaar.launchpad.net/~yade-pkg/yade/git-trunk/view/head:/pkg/dem/Ip2_FrictMat_FrictMat_FrictPhys.hpp
,
http://bazaar.launchpad.net/~yade-pkg/yade/git-trunk/view/head:/pkg/dem/Ip2_FrictMat_FrictMat_FrictPhys.cpp


2013/7/9 平洋 <pingyang.1019@xxxxxxx>

> Hello
>   thank you teacher.
>
> I want to create new .  what  would I like to achieve?
> At 2013-07-08 13:56:14,"Jan Stránský" <
> question231875@xxxxxxxxxxxxxxxxxxxxx> wrote:
> >Question #231875 on Yade changed:
> >https://answers.launchpad.net/yade/+question/231875
> >
> >    Status: Open => Answered
> >
> >Jan Stránský proposed the following answer:
> >Hello,
> >
> >"re-write" constitutive law can be done in many ways (modify existing law,
> >extending existing law, creating new but similar law...)? Could you please
> >be more specific what you would like to achieve? it will be easier for us
> >to help you with the right answers :-)
> >
> >Tetrahedron (or any other shape) may be formed from spheres and cylinders
> >as clumps [1,2,3].
> >
> >cheers
> >Jan
> >
> >[1]
> >
> https://yade-dem.org/doc/yade.wrapper.html#yade.wrapper.BodyContainer.appendClumped
> >[2]
> >
> http://bazaar.launchpad.net/~yade-pkg/yade/git-trunk/files/head:/examples/clumps/
> >[3]
> >
> http://bazaar.launchpad.net/~yade-pkg/yade/git-trunk/view/head:/examples/test/clump.py
> >
> >PS: If you have two different problems, it is better (from maintenance and
> >readability point of view) to open two different questions.
> >
> >
> >2013/7/4 pingyang.1019@xxxxxxx <question231875@xxxxxxxxxxxxxxxxxxxxx>
> >
> >> Question #231875 on Yade changed:
> >> https://answers.launchpad.net/yade/+question/231875
> >>
> >> pingyang.1019@xxxxxxx posted a new comment:
> >> May I ask how to modify pre-treatment？ I want to build  I want to create
> >> tetrahedral elements formed by the balls and  cylinders,  can  it
> >> achieve?
> >>
> >> --
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