GfsForceDrag

From Gerris

Revision as of 17:00, 19 July 2012 GeordieMcBain (Talk | contribs) (noted that GfsForceDrag is only for GfsParticulate discrete masses and not GfsParticle point particles) ← Previous diff		Current revision Popinet (Talk | contribs) (consistent syntax definition)
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-	A [[GfsForceDrag]] is one of the type of forces that can be exerted on [[GfsParticulate]] discrete mass-particles in the [[particulates]] module. As its name suggests the drag force opposes the slip velocity.	+	[[GfsForceDrag]] defines the drag force exerted on [[GfsParticulate]]s.
-	The syntax in parameter files is:	+	The syntax in parameter files is
-	[ [[GfsForceCoeff]] ]	+	[ [[GfsForceCoeff]] ]
-	which only occurs as part of a [[GfsParticleList]] and within which it looks like:	+	where [[GfsForceCoeff]] defines the drag coefficient.
-	[[GfsParticleList]] { ... } [[GfsParticulate]] { ... } {	+	<examples/>
-	...	+
-	[[GfsForceDrag]] Cd	+
-	...	+
-	}	+
-		+
-	where Cd is the drag coefficient of the particle (double).	+
-		+
-	For developers the object hierarchy for [[GfsForceDrag]] is:	+
-		+
-	* [[GtsSListContainee]]	+
-	** [[GfsParticleForce]]	+
-	*** [[GfsForceCoeff]]	+
-	**** [[GfsForceDrag]]	+

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Current revision

GfsForceDrag defines the drag force exerted on GfsParticulates.

The syntax in parameter files is

[ GfsForceCoeff ]

where GfsForceCoeff defines the drag coefficient.