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Re: [Question #218111]: Set timestep in clump packing simulation

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From: kelaogui <question218111@xxxxxxxxxxxxxxxxxxxxx>
Date: Wed, 02 Jan 2013 13:15:50 -0000
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Question #218111 on Yade changed:
https://answers.launchpad.net/yade/+question/218111

kelaogui posted a new comment:
Thank you Jan. Also, this script confuse me

from yade import *
O.materials.append(FrictMat(young=3e8,poisson=0.3,frictionAngle=radians(20),density=2600,label='spheres')) 
c0=utils.sphere([0,0,0],.5,material='spheres')
O.bodies.append(c0)
O.bodies[0].material.density=260000
O.dt=utils.PWaveTimeStep() 

The result show that O.dt comes from radius/sqrt(E/density) in which
density is 2600 not 260000. It's weird.

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