yade-dev team mailing list archive
-
yade-dev team
-
Mailing list archive
-
Message #10055
[Branch ~yade-pkg/yade/git-trunk] Rev 3722: fix a bug in inertia tensor approximation scheme
------------------------------------------------------------
revno: 3722
committer: Christian Jakob <jakob@xxxxxxxxxxxxxxxxxxx>
timestamp: Wed 2013-10-02 11:09:40 +0200
message:
fix a bug in inertia tensor approximation scheme
modified:
core/Clump.cpp
--
lp:yade
https://code.launchpad.net/~yade-pkg/yade/git-trunk
Your team Yade developers is subscribed to branch lp:yade.
To unsubscribe from this branch go to https://code.launchpad.net/~yade-pkg/yade/git-trunk/+edit-subscription
=== modified file 'core/Clump.cpp'
--- core/Clump.cpp 2013-08-30 06:19:46 +0000
+++ core/Clump.cpp 2013-10-02 09:09:40 +0000
@@ -169,6 +169,7 @@
Sg += dv*x;
//inertia I = sum_i( mass_i*dist^2 + I_s) ) //steiners theorem
Ig += dv*( x.dot(x)*Matrix3r::Identity()-x*x.transpose()/*dist^2*/+Matrix3r(Vector3r::Constant(dv*pow(dx,2)/6.).asDiagonal())/*I_s/m = d^2: along princial axes of dv; perhaps negligible?*/);
+ break;
}
}
}