Power.cl File Reference

Tool to compute the power energy components. More...

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

Include dependency graph for Power.cl:

Functions
__kernel void	fluid (__global float *dekdt, __global float *depdt, __global float *devdt, __global float *decdt, __global float *deddt, const __global uint *iset, const __global int *imove, const __global vec *u, const __global float *rho, const __global float *m, const __global float *p, const __global vec *grad_p, const __global vec *lap_u, const __global float *div_u, const __global float *lap_p, __constant float *refd, __constant float *visc_dyn, __constant float *delta, unsigned int N, vec g, float dt)
	Tool to compute the power components due to the interactions between fluid particles, i.e. excluding the effect of the boundaries.
__kernel void	bound (__global float *desdt, const __global uint *iset, const __global int *imove, const __global vec *u, const __global float *rho, const __global float *m, const __global float *p, const __global vec *dudt, const __global float *drhodt, const __global float *dekdt, const __global float *decdt, unsigned int N)
	Tool to compute the power due to the interactions of fluid particles with the boundaries.

Detailed Description

Tool to compute the power energy components.

Function Documentation

bound()

__kernel void bound	(	__global float *	desdt,
		const __global uint *	iset,
		const __global int *	imove,
		const __global vec *	u,
		const __global float *	rho,
		const __global float *	m,
		const __global float *	p,
		const __global vec *	dudt,
		const __global float *	drhodt,
		const __global float *	dekdt,
		const __global float *	decdt,
		unsigned int	N
	)

Tool to compute the power due to the interactions of fluid particles with the boundaries.

Parameters

desdt	power due to the interactions of fluid particles with the boundaries.
iset	Set of particles index.
imove	Moving flags. imove > 0 for regular fluid particles. imove = 0 for sensors. imove < 0 for boundary elements/particles.
u	Velocity \( \mathbf{u} \).
rho	Density \( \rho \).
m	Mass \( m \).
p	Pressure \( p \).
dudt	Velocity rate of change \( \frac{d \mathbf{u}}{d t} \).
drhodt	Density rate of change \( \frac{d \rho}{d t} \).
dekdt	Variation of the kinetic energy due to the interactions between fluid particles: \( \frac{dE^{kin}_a}{dt} = m_a \mathbf{u}_a \cdot \frac{d \mathbf{u}_a}{dt}\)
decdt	Variation of the compressibility energy due to the interactions between fluid particles: \( \frac{dE^{com}_a}{dt} = \frac{m_a}{\rho_a} \frac{p_a}{\rho_a} \frac{d \rho_a}{dt} \)
N	Number of particles.

fluid()

__kernel void fluid	(	__global float *	dekdt,
		__global float *	depdt,
		__global float *	devdt,
		__global float *	decdt,
		__global float *	deddt,
		const __global uint *	iset,
		const __global int *	imove,
		const __global vec *	u,
		const __global float *	rho,
		const __global float *	m,
		const __global float *	p,
		const __global vec *	grad_p,
		const __global vec *	lap_u,
		const __global float *	div_u,
		const __global float *	lap_p,
		__constant float *	refd,
		__constant float *	visc_dyn,
		__constant float *	delta,
		unsigned int	N,
		vec	g,
		float	dt
	)

Tool to compute the power components due to the interactions between fluid particles, i.e. excluding the effect of the boundaries.

Parameters

dekdt	Variation of the kinetic energy: \( \frac{dE^{kin}_a}{dt} = m_a \mathbf{u}_a \cdot \frac{d \mathbf{u}_a}{dt}\)
depdt	Variation of the potential energy: \( \frac{dE^{pot}_a}{dt} = - m_a \mathbf{g} \cdot \mathbf{u}_a\)
devdt	Viscous dissipation function: \( \frac{dE^{\mu}_a}{dt} = - \mu m_a \mathbf{u}_a \cdot \frac{\Delta \mathbf{u}}{rho} \)
decdt	Variation of the compressibility energy: \( \frac{dE^{com}_a}{dt} = \frac{m_a}{\rho_a} \frac{p_a}{\rho_a} \frac{d \rho_a}{dt} \)
deddt	Energy due tot he compressibility dissipated by the \(\delta\)-SPH term: \( \frac{dE^{\delta}_a}{dt} = - \delta \Delta t \frac{m_a}{\rho_0} \frac{p_a}{\rho_a^2} \Delta p \)
iset	Set of particles index.
imove	Moving flags. imove > 0 for regular fluid particles. imove = 0 for sensors. imove < 0 for boundary elements/particles.
u	Velocity \( \mathbf{u} \).
rho	Density \( \rho \).
m	Mass \( m \).
p	Pressure \( p \).
grad_p	Pressure gradient \( \frac{\nabla p}{rho} \).
lap_u	Velocity laplacian \( \frac{\Delta \mathbf{u}}{rho} \).
div_u	Velocity divergence \( \rho \nabla \cdot \mathbf{u} \).
lap_p	Pressure laplacian \( \Delta p \).
refd	Density of reference of the fluid \( \rho_0 \).
visc_dyn	Dynamic viscosity \( \mu \).
delta	Diffusive term \( \delta \) multiplier.
N	Number of particles.
g	Gravity acceleration \( \mathbf{g} \).
dt	Time step \( \Delta t \).