Equivalent airspeed: Difference between revisions

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en>Mick2
:<math>q = \tfrac12\, \rho\, v^{2},</math>
en>Yobot
m WP:CHECKWIKI error fixes using AWB (10093)
 
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{{Unreferenced|date=December 2009}}
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'''Softening''' is a numerical trick used in [[N-body problem|N-body]] techniques to prevent numerical [[divergence]]s when a particle comes too close to another (and the [[force]] goes to infinity). This is obtained by modifying the [[gravitational potential]] of each particle as
 
:<math>\Phi = - \frac{1}{\sqrt{r^2 + \epsilon^2}},</math>
 
where <math>\epsilon</math> is the softening parameter. The value of the softening parameter should be set small enough to keep [[simulation]]s realistic.
 
[[Category:Computational physics]]
 
 
{{Physics-stub}}

Latest revision as of 13:16, 5 May 2014

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