New question #235307 on Yade:
https://answers.launchpad.net/yade/+question/235307

hello ,
i am having some difficulties in defineing a  wall on the top and bottom of my 
sample with some specific properties. 

O.bodies.append(utils.geom.facetBox((0.014,0.014,0.028),(0.014,0.014,0.028),wallMask=15,dynamic=1))
 top is not fixed
O.bodies.append(utils.geom.facetBox((0.014,0.014,0.028),(0.014,0.014,0.028),wallMask=16,dynamic=0))#bottom
 is fixed

 
O.bodies.append(utils.geom.facetBox((0.014,0.014,0.084),(0.014,0.014,0.028),wallMask=15))#!!!!
 in order to control the particles!!! after the end of the stabilization, we 
will remove it


i try to define the material  as below
O.bodies.append(utils.geom.facetBox((0.014,0.014,0.028),(0.014,0.014,0.028),wallMask=15,dynamic=1,material=manu))
 top is not fixed
O.bodies.append(utils.geom.facetBox((0.014,0.014,0.028),(0.014,0.014,0.028),wallMask=16,dynamic=0,material=manu))#bottom
 is fixed

i noticed that this material is applied allover the wall, but what i want is to 
define the material only at the top and and bottom
Question1
is it possible to define the properties of each wall seprately(example 
topandbottom_walls=material_1, other_walls=material2) 
if yes, how?

Question2
is it also possible to creat a plate at the top and bottom of the walls ,making 
the top plate dynamic and the bottom fixed and achived thesame 
result(objective) as the wall, 
if yes, how?

thanks in advanced for your contribution
Nna

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