Talk:Euler's equations
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- is obvously not a "... rate of change of Euler angles ..." the relation between angular velosity and derivatives of Euler angles is rather complicated. It is also well known, that the usage of any set of Euler angles lead to singularity of this transformation at some orientation of the body with respect to the space-fixed reference frame (or lab R.F.). Usage of quaternions as rotation parameters removes this problem (see Goldstein).
The article is generaly messy. Needs major rewriting.
Leonid Paramonov, Imperial College London 06/12/2005
iam asking about wave speed in thick pipe
Hi
sorry to revert your edits but the term "body fixed axes" is standard nomenclature. Perhaps it should be "body-fixed axes" tho?
best wishes
Robinh 20:30, 4 September 2005 (UTC)
- Thanks for explaining (it seems like most reverters don't bother.) You're right - I found "body fixed axes" and "body-fixed axes" in Google, and I must have missed it last night. Body-fixed makes more sense to me - it makes it clear that "body" is modifying the word "fixed" and I probably wouldn't have messed with it. I presume you don't object to my other changes you reverted, such as correcting "equotations". Art LaPella 22:17, September 4, 2005 (UTC)
- Hi Art. No probs. I didn't see the lower-down edits (my screen must be too small ;-). I must say I'm astonished that LHS had a wiki link; one learns something every day. Best wishes Robinh 07:13, 5 September 2005 (UTC)
