Question #707368 on Yade changed:
https://answers.launchpad.net/yade/+question/707368
Status: Open => Answered
Jan Stránský proposed the following answer:
Hello,
the problem is visualization of the infinite object :-) and its automation
(what should be the shape? what size? ...?).
For every situation the proper visualization may be different.
As a workaround, you can export wall data to a CSV file, load it in paraview,
"filter" it a bit and get whatever you want.
For example circles:
### yade scriptw1,w2,w3 = [wall((0,0,0),axis=i) for i in (0,1,2)]
walls = [w1,w2,w3]
O.bodies.append(walls)
w1.state.vel = (1,0,0)
w2.state.vel = (0,2,0)
w3.state.vel = (0,0,3)
O.engines = [
PyRunner(iterPeriod=1,initRun=True,command="exportWalls()"),
NewtonIntegrator(),
]
def exportWalls():
with open(f"wall-{O.iter:06d}.csv","w") as f:
f.write("x,y,z,nx,ny,nz\n")
for w in walls:
x,y,z = w.state.pos
n = [0,0,0]
n[w.shape.axis] = 1
nx,ny,nz = n
f.write(f"{x},{y},{z},{nx},{ny},{nz}\n")
O.dt = 1
O.run(5,True)
###
And then in Paraview for example:
- open the wall-....csv files, use CSV Reader if you have to choose, Apply
- Filters -> Table To Points, select x,y,z as X, Y, Z columns, Apply
- Calculator (make nz,ny,nz to one vector):
- Result: normal
- formula: iHat*nx+jHat*ny+kHat*nz
- Apply
- Glyph -> Box:
- Z Length: 0
- Scale Factor: what you need, e.g. 5
- Glyph Mode: All Points
- Apply
Cheers
Jan
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