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[Majid Ashraf <question223478@xxxxxxxxxxxxxxxxxxxxx>]

Question #223478 on Yade changed:
https://answers.launchpad.net/yade/+question/223478

    Status: Answered => Open

Majid Ashraf is still having a problem:
Hello Jan,
    This is the complete script which i am using.

O.bodies.append([
utils.wall(position=Vector3(0,1,2),axis=2,sense=1,color=(1,0,0),material=RpmMat,mask=1),
#utils._commonBodySetup(),
utils.sphere((0,0,2),.5)
])
O.engines=[
    ForceResetter(),
   InsertionSortCollider([Bo1_Sphere_Aabb(),Bo1_Wall_Aabb()]),
InteractionLoop(
[Ig2_Wall_Sphere_ScGeom()],
[Ip2_FrictMat_FrictMat_FrictPhys()], # collision "physics"
[Law2_L3Geom_FrictPhys_ElPerfPl()],  # contact law -- apply forces
),
GravityEngine(gravity=(0,0,-9.81)),
   # damping: numerical dissipation of energy
   NewtonIntegrator(damping=0.1)
]

# set timestep to a fraction of the critical timestep
# the fraction is very small, so that the simulation is not too fast
# and the motion can be observed
O.dt=.5e-4*utils.PWaveTimeStep()

# save the simulation, so that it can be reloaded later, for experimentation
O.saveTmp()

Thanks.

Best Regards,

Majid


On Thu, Mar 7, 2013 at 11:01 AM, Jan Stránský <
question223478@xxxxxxxxxxxxxxxxxxxxx> wrote:

> Your question #223478 on Yade changed:
> https://answers.launchpad.net/yade/+question/223478
>
>     Status: Open => Answered
>
> Jan Stránský proposed the following answer:
> Hello Majid,
>
> we are on the right way :-) now the problem is that you have incompatible
> functors, see [1]. You used Ig2_Wall_Sphere_ScGeom (so ScGeom), but then
> Law2_L3Geom_FrictPhys_ElPerfPl (law for L3Geom). To make it work properly
> you will need to use Law2_ScGeom_Something...
>
> To tell you correct answer, we will need to see the compete sript (i.e.
> what materials you are using). So please attach the whole script and
> hopefully we will converge to the solution :-)
> Jan
>
> [1] https://yade-dem.org/doc/user.html#functors-choice
>
> 2013/3/7 Majid Ashraf <question223478@xxxxxxxxxxxxxxxxxxxxx>
>
> > Question #223478 on Yade changed:
> > https://answers.launchpad.net/yade/+question/223478
> >
> >     Status: Answered => Open
> >
> > Majid Ashraf is still having a problem:
> > Hey Jan,
> >               I tried incorporating the Aabb for wall in the insertion
> > collider as you advised but now i am getting this when i run the
> > simulation.
> >
> > FATAL /build/buildd/yade-0.70.0/pkg/common/InteractionLoop.cpp:156
> action:
> > None of given Law2 functors can handle interaction #0+1, types
> > geom:ScGeom=1 and phys:FrictPhys=4 (LawDispatcher::getFunctor2D returned
> > empty functor)
> >
> >
> > Thanks.
> >
> > Best Regards,
> >
> > Majid
> >
> >
> > On Tue, Mar 5, 2013 at 2:45 PM, Jan Stránský <
> > question223478@xxxxxxxxxxxxxxxxxxxxx> wrote:
> >
> > > Question #223478 on Yade changed:
> > > https://answers.launchpad.net/yade/+question/223478
> > >
> > >     Status: Open => Answered
> > >
> > > Jan Stránský proposed the following answer:
> > > Hello Majid,
> > >
> > > thanks for the info. The problems is, that there is no bounding
> > dispatcher
> > > for the wall, so it is not considered by colision detector. Modify you
> > > InsrtionSortCollider to this:
> > >
> > > InsertionSortCollider([Bo1_Sphere_Aabb(),Bo1_Wall_Aabb()]),
> > >
> > > now it should work.
> > > in case of any other question, don't hesitate to ask :-)
> > > cheers
> > > Jan
> > >
> > >
> > > 2013/3/5 Majid Ashraf <question223478@xxxxxxxxxxxxxxxxxxxxx>
> > >
> > > > Question #223478 on Yade changed:
> > > > https://answers.launchpad.net/yade/+question/223478
> > > >
> > > >     Status: Answered => Open
> > > >
> > > > Majid Ashraf is still having a problem:
> > > > Hello Jan,
> > > >               Thanks for the thumbs up on my problem. I am using Yade
> > > > 0.70.0 and my friend compiled it for me. I wrote the whole syntax in
> > > > IPython and then used yade to recall that using .py extension. I am
> not
> > > > getting any syntax errors but the ball is passing through the wall
> > > instead
> > > > of bouncing. I have also attached a picture which will give you a
> > better
> > > > idea of what's going on.
> > > >
> > > > Best Regards,
> > > >
> > > > Majid
> > > >
> > > >
> > > > On Tue, Mar 5, 2013 at 1:55 PM, Jan Stránský <
> > > > question223478@xxxxxxxxxxxxxxxxxxxxx> wrote:
> > > >
> > > > > Your question #223478 on Yade changed:
> > > > > https://answers.launchpad.net/yade/+question/223478
> > > > >
> > > > >     Status: Open => Answered
> > > > >
> > > > > Jan Stránský proposed the following answer:
> > > > > Hello Majid,
> > > > >
> > > > > from what you wrote, it is very hard to say what is the reason.. To
> > > help
> > > > > you, we will need some more information. Firstly, what version of
> > Yade
> > > > you
> > > > > are using and how you compiled it. Then how you run your code (from
> > > > script
> > > > > or from IPython). Also why it is not working - do you get some
> errors
> > > or
> > > > > the program does something different from what you want?
> > > > >
> > > > > so please provide us with these information and hopefully we will
> be
> > > able
> > > > > to help you :-)
> > > > > Best regards
> > > > > Jan
> > > > >
> > > > >
> > > > > I run your script without any errors..
> > > > >
> > > > >
> > > > > >  This is what i am using.
> > > > > >
> > > > > > > O.bodies.append([
> > > > > > >
> > > > > >
> > > > >
> > > >
> > >
> >
> utils.wall(position=Vector3(0,1,2),axis=2,sense=1,color=(1,0,0),material=RpmMat,mask=1),
> > > > > > > #utils._commonBodySetup(),
> > > > > > > utils.sphere((0,0,2),.5)
> > > > > > > ])
> > > > > > > O.engines=[
> > > > > > >     ForceResetter(),
> > > > > > >    InsertionSortCollider([Bo1_Sphere_Aabb()]),
> > > > > > > InteractionLoop(
> > > > > > > [Ig2_Wall_Sphere_ScGeom()],
> > > > > > > [Ip2_FrictMat_FrictMat_FrictPhys()], # collision "physics"
> > > > > > > [Law2_L3Geom_FrictPhys_ElPerfPl()]   # contact law -- apply
> > forces
> > > > > > > ),
> > > > > > > GravityEngine(gravity=(0,0,-9.81)),
> > > > > > >    # damping: numerical dissipation of energy
> > > > > > >    NewtonIntegrator(damping=0.1)
> > > > > > > ]
> > > > > > >
> > > > > > > # set timestep to a fraction of the critical timestep
> > > > > > > # the fraction is very small, so that the simulation is not too
> > > fast
> > > > > > > # and the motion can be observed
> > > > > > > O.dt=.5e-4*utils.PWaveTimeStep()
> > > > > > >
> > > > > > > # save the simulation, so that it can be reloaded later, for
> > > > > > > experimentation
> > > > > > > O.saveTmp()
> > > > > > >
> > > > > > > Can anyone please help me out in this regard? I will really
> > > > appreciate
> > > > > > your
> > > > > > > concern. Thanks.
> > > > > > >
> > > > > > > Best Regards,
> > > > > > >
> > > > > > > Majid
> > > > > >
> > > > > >
> > > > > > --
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> let
> > > us
> > > > > know that it is solved:
> > > > >
> > >
> https://answers.launchpad.net/yade/+question/223478/+confirm?answer_id=0
> > > > >
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