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[Question #272603]: Why the _polyhedra_utils.PWaveTimeStep() is invalid

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From: percy <question272603@xxxxxxxxxxxxxxxxxxxxx>
Date: Mon, 19 Oct 2015 14:27:44 -0000
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New question #272603 on Yade:
https://answers.launchpad.net/yade/+question/272603

Hello, everyone！
When i try to run free-fall.py in trunk/examples/polyhedra
I obtain the following warn:
WARN  /home/snoopy/myu/trunk/pkg/dem/Shop_01.cpp:450 PWaveTimeStep: PWaveTimeStep has not found any suitable spherical body to calculate dt. dt is set to 1.0
 
Compared Shop_01.cpp and _polyhedra_utils.cpp, there are some differences in computing PWaveTimeStep(). If _polyhedra_utils.PWaveTimeStep() is called, the warn should be "PWaveTimeStep has not found any suitable spherical or polyhedral body to calculate dt. dt is set to 1.0"; So i think _polyhedra_utils.PWaveTimeStep() is invalid. IS there a bug?
how to solve this problem? Does anybody can help me?

my computer os is ubuntu 14.04, yade version is 1.14.0
Thanks a lot.

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