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[Jan Stránský <question258258@xxxxxxxxxxxxxxxxxxxxx>]

Question #258258 on Yade changed:
https://answers.launchpad.net/yade/+question/258258

    Status: Open => Answered

Jan Stránský proposed the following answer:
Hi Behzad,
if I understand correctly the problem, you should also use those values
(setCohesionNow,setCohesionOnNewContacts) proprly in Ip2:go function, like
in Ip2_CohFrictMat_CohFrictMat_CohFrictPhys [1]
cheers
Jan

[1]
http://bazaar.launchpad.net/~yade-pkg/yade/git-trunk/view/head:/pkg/dem/CohesiveFrictionalContactLaw.cpp#L274


2014-11-26 19:56 GMT+01:00 behzad
<question258258@xxxxxxxxxxxxxxxxxxxxx>:

> Question #258258 on Yade changed:
> https://answers.launchpad.net/yade/+question/258258
>
>     Status: Answered => Open
>
> behzad is still having a problem:
> Hi,
>
> Yes and I'm using the same method of CohesiveFrictionalContactLaw.
> for example I've got:
>
> class Ip2_CohBurgersMat_CohBurgersMat_CohBurgersPhys: public IPhysFunctor {
>         public :
>                 virtual void go(const shared_ptr<Material>& b1,
>                                 const shared_ptr<Material>& b2,
>                                 const shared_ptr<Interaction>&
> interaction);
>                                 void
> Calculate_CohBurgersMat_CohBurgersMat_CohBurgersPhys(const
> shared_ptr<Material>& b1, const shared_ptr<Material>& b2, const
> shared_ptr<Interaction>& interaction, shared_ptr<CohBurgersPhys> phys);
>                                 int cohesionDefinitionIteration;
>
>
> YADE_CLASS_BASE_DOC_ATTRS_CTOR(Ip2_CohBurgersMat_CohBurgersMat_CohBurgersPhys,IPhysFunctor,"Convert
> 2 instances of :yref:`CohBurgersMat` to :yref:`CohBurgersPhys` using the
> rule of consecutive connection.",
>
>         ((bool,setCohesionNow,true,,"If true, assign cohesion to all
> existing contacts in current time-step."))
>         ((bool,setCohesionOnNewContacts,true,,"If true, assign cohesion at
> all new contacts. If false, only existing contacts can be cohesive"))
>         ,cohesionDefinitionIteration = -1;
>         );
>         FUNCTOR2D(CohBurgersMat,CohBurgersMat);
> };
> REGISTER_SERIALIZABLE(Ip2_CohBurgersMat_CohBurgersMat_CohBurgersPhys);
>
> But, still saying;
>
> InteractionLoop(
> [Ig2_Sphere_Sphere_ScGeom(),Ig2_Box_Sphere_ScGeom()],
> [Ip2_CohBurgersMat_CohBurgersMat_CohBurgersPhys(setCohesionNow=True,
> setCohesionOnNewContacts=True)],...)
>
> doesn't make any cohesive interactions.
>
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