... an appropriate set of matching conditions at the fluid/porous medium interface. We assume the continuity of velocity, shear stress, temperature and heat flux at the interface (Neale and Nader, 1974). As a first approximation, we take µ_eff equal to the fluid viscosity...

...LanHao Zhao; Kailong Mu; Jia Mao; Khuc Hongvan; Dawei Peng Purpose Moving interface problems exist commonly in nature and industry, and the main difficulty is to represent the interface. The purpose of this paper is to capture the accurate interface, a novel three-dimensional one-layer particle...

...Israel Tuval; Dan Givoli; Ehud Behar Purpose – The purpose of this paper is to propose a computational model for thin layers, for problems of linear time-dependent heat conduction. The thin layer is replaced by a zero-thickness interface. The advantage of the new model is that it saves the need...

.... (Equation 10) The interface description is performed using a hybrid method combining the front-tracking techniques and a Heaviside step function: the interface between the fluids is tracked using markers whereas a step function is used instead of the original smooth marker function within a given time...