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[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


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=== 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;
 							}
 						}
 					}