56 dragDict_(dict.
subDict(typeName +
"Coeffs")),
57 preReFactor_(
readScalar(dragDict_.lookup(
"preReFactor"))),
58 ReExponent_(
readScalar(dragDict_.lookup(
"ReExponent"))),
59 ReLimiter_(
readScalar(dragDict_.lookup(
"ReLimiter"))),
60 CdLimiter_(
readScalar(dragDict_.lookup(
"CdLimiter"))),
61 Cdistort_(
readScalar(dragDict_.lookup(
"Cdistort")))
78 scalar
drag = CdLimiter_;
82 drag = 24.0*(1.0 + preReFactor_*
pow(Re, ReExponent_))/Re;
86 drag *= (1.0 + Cdistort_*
dev);
96 const scalar diameter,
98 const scalar liquidDensity,
105 scalar Re =
mag(URel)*diameter/
nu;
109 time = 4.0*liquidDensity*diameter /
111 3.0*rho*Cd(Re, dev)*
mag(URel)
120 time = liquidDensity*diameter*diameter/(18*rho*nu*(1.0 + Cdistort_*
dev));