diff --git a/cpp/kspace.cpp b/cpp/kspace.cpp index 1549b2dad869207cbf4482246e92823f64542c09..da64403252ba5d400d59190d18a4c4b46d988655 100644 --- a/cpp/kspace.cpp +++ b/cpp/kspace.cpp @@ -338,6 +338,12 @@ void kspace<be, dt>::ball_filter( * \exp(-\frac{(3.54 k \ell)^{122 \ell^{0.0836}}}{2}) * \left( 1 + \frac{(k \eta/0.0636)^{3.44}}{1 + (k \eta/ 0.0621)^{3.44}} \right)^{1/2} * \f] + * + * Citation: + * Johan Meyers, Charles Meneveau; + * A functional form for the energy spectrum parametrizing bottleneck and intermittency effects. + * Physics of Fluids 1 June 2008; 20 (6): 065109. + * https://doi.org/10.1063/1.2936312 */ template <field_backend be, kspace_dealias_type dt>