NoSlip.cl File Reference

Boundary integral friction term. More...

#include "resources/Scripts/types/types.h"
#include "resources/Scripts/KernelFunctions/Kernel.h"

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Macros
#define	__CLEARY__   10.f
#define	_LAPU_   lap_u[i].XYZ

Functions
__kernel void	entry (const __global uint *iset, const __global int *imove, const __global vec *r, const __global vec *normal, const __global vec *u, const __global float *rho, const __global float *m, __global vec *lap_u, __global uint *icell, __global uint *ihoc, uint N, uivec4 n_cells, uint noslip_iset, float dr)
	Performs the boundary friction effect on the fluid particles.

Detailed Description

Boundary integral friction term.

Macro Definition Documentation

__CLEARY__

#define __CLEARY__   10.f

_LAPU_

#define _LAPU_   lap_u[i].XYZ

Function Documentation

entry()

__kernel void entry	(	const __global uint *	iset,
		const __global int *	imove,
		const __global vec *	r,
		const __global vec *	normal,
		const __global vec *	u,
		const __global float *	rho,
		const __global float *	m,
		__global vec *	lap_u,
		__global uint *	icell,
		__global uint *	ihoc,
		uint	N,
		uivec4	n_cells,
		uint	noslip_iset,
		float	dr
	)

Performs the boundary friction effect on the fluid particles.

Parameters

iset	Set of particles index.
imove	Moving flags. imove > 0 for regular fluid particles. imove = 0 for sensors. imove < 0 for boundary elements/particles.
r	Position \( \mathbf{r} \).
normal	Normal \( \mathbf{n} \).
u	Velocity \( \mathbf{u} \).
rho	Density \( \rho \).
m	Area of the boundary element \( s \).
lap_u	Velocity laplacian \( \frac{\Delta \mathbf{u}}{rho} \).
icell	Cell where each particle is located.
ihoc	Head of chain for each cell (first particle found).
N	Number of particles.
n_cells	Number of cells in each direction
noslip_iset	Particles set of the boundary terms which friction should be taken into account.
dr	Distance between particles \( \Delta r \).

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