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[hjz <question642046@xxxxxxxxxxxxxxxxxxxxx>]

Question #642046 on Yade changed:
https://answers.launchpad.net/yade/+question/642046

    Status: Answered => Open

hjz is still having a problem:
>walls=utils.aabbWalls([mn,mx],thickness=thick,oversizeFactor=1.5,material='walls')
>wallIds=O.bodies.append(walls)

>swing = HarmonicMotionEngine(
 A = (0,0.002,0),
 f = (0,50,0),
 fi = (0,-0.5*math.pi,0),
 ids = wallIds
 )

Hi Bruno,
Sorry that I did't explain my problem clearly.My problem is that I can't choose only the bottom one of the aabbWalls to vibrate. When I assigned the id of the bottom wall -- "2" to the HarmonicMotionEngine.ids, the program errors occurred.

Here is the error information below:

Traceback (most recent call last):
  File "/home/hjz/myyade/install/bin/yade-Unknown", line 182, in runScript
    execfile(script,globals())
  File "D-10-sample.py", line 70, in <module>
    ids = 2
TypeError: No registered converter was able to produce a C++ rvalue of type std::vector<int, std::allocator<int> > from this Python object of type int

And I haven't found the source code about HarmonicMotionEngine, so I am
not clear about its operating principle. Do you know where it is? Thank
you very much.

Regards,
hjz

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