High mass ratios, was [ODE] Choleski factorization
Billy Zelsnack
billy_zelsnack at yahoo.com
Tue Mar 25 20:22:01 2003
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>david@csworkbench.com said:
> I'm also almost positive that going to single constraints will make =
the system even
> more sensitive to high mass ratios, forces, and velocities.
Be careful when testing this. I have found that using random masses in =
stacks (with randomly large ratios between blocks) is a much easier to =
solve problem than interlacing high and low mass blocks in a stack.
-billy
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<DIV><FONT face=3DArial size=3D2>>david@csworkbench.com =
said:</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>> I'm also almost positive that =
going to=20
single constraints will make the system even<BR>> more sensitive to =
high mass=20
ratios, forces, and velocities.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Be careful when testing this. I have =
found that=20
using random masses in stacks (with randomly large ratios between =
blocks) is a=20
much easier to solve problem than interlacing high and low mass blocks =
in a=20
stack.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>-billy</DIV>
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