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possible bug in SDA.C

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Old   May 3, 2011, 18:09
Default possible bug in SDA.C
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Pablo
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Hello,

In the member function Foam::septernion Foam::solidBodyMotionFunctions::SDA::transformatio n() const

the transformation is defined like septernion TR(septernion(CofG_ + T)*R*septernion(-CofG_));, it looks because there is a translation and rotation around of CofG, so to back with the translation would be better septernion TR(septernion(CofG_ + T)*R*septernion(-CofG_ - T));

what do you think?

Pablo
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Old   May 4, 2011, 02:48
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The formulation is correct, there is no a bug.

If i add - T there is no translation.

Pablo

Last edited by pablodecastillo; May 4, 2011 at 02:49. Reason: correct
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