https://github.com/sedfoam/sedfoam/blob/master/solver/ppModel/JohnsonJackson/JohnsonJackson.H file

Original source file JohnsonJackson.H

Classes

class Foam::JohnsonJackson
Johnson, P., & Jackson, R. (1987). Frictional–collisional constitutive relations for granular materials, with application to plane shearing. Journal of Fluid Mechanics, 176, 67-93. doi:10.1017/S0022112087000570.