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Patch from Joacim to export the inertia tensor from the command line solver.

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andy 2007-01-10 18:58:50 +00:00
parent 99cb08ef87
commit 23ab95802b
2 changed files with 11 additions and 1 deletions
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3
src/FDM/YASim/RigidBody.hpp
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@ -97,6 +97,9 @@ public:
// Returns the instantaneous rate of change of the angular
// velocity, as a vector in local coordinates.
void getAngularAccel(float* accelOut);
// Returns the intertia tensor in a float[9] allocated by caller.
void getInertiaMatrix(float* inertiaOut);
private:
struct Mass { float m; float p[3]; };

9
src/FDM/YASim/yasim-test.cpp
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@ -103,6 +103,10 @@ int main(int argc, char** argv)
float drag = 1000 * a->getDragCoefficient();
float cg[3];
a->getModel()->getBody()->getCG(cg);
a->getModel()->getBody()->recalc();
float SI_inertia[9];
a->getModel()->getBody()->getInertiaMatrix(SI_inertia);
printf("Solution results:");
printf(" Iterations: %d\n", a->getSolutionIterations());
@ -111,7 +115,10 @@ int main(int argc, char** argv)
printf(" Cruise AoA: %f\n", aoa);
printf(" Tail Incidence: %f\n", tail);
printf("Approach Elevator: %f\n", a->getApproachElevator());
printf(" CG: %.3f, %.3f, %.3f\n", cg[0], cg[1], cg[2]);
printf(" CG: x:%.3f, y:%.3f, z:%.3f\n\n", cg[0], cg[1], cg[2]);
printf(" Inertia tensor : %.3f, %.3f, %.3f\n", SI_inertia[0], SI_inertia[1], SI_inertia[2]);
printf(" [kg*m^2] %.3f, %.3f, %.3f\n", SI_inertia[3], SI_inertia[4], SI_inertia[5]);
printf(" Origo at CG %.3f, %.3f, %.3f\n", SI_inertia[6], SI_inertia[7], SI_inertia[8]);
}
delete fdm;
return 0;