entropy_viscosity_device Module Reference

Device backend for entropy viscosity regularization.

Data Types
interface	hip_entropy_visc_apply_element_max
interface	hip_entropy_visc_clamp_to_low_order
interface	hip_entropy_visc_compute_residual
interface	hip_entropy_visc_compute_viscosity
interface	hip_entropy_visc_smooth_divide

Functions/Subroutines
subroutine, public	entropy_viscosity_compute_residual_device (entropy_residual_d, s_d, s_lag1_d, s_lag2_d, s_lag3_d, bdf_coeffs, dt, n)
	Compute entropy residual on a device.
subroutine, public	entropy_viscosity_compute_viscosity_device (reg_coeff_d, entropy_residual_d, h_d, c_avisc_entropy, n_s, n)
	Compute viscosity from an entropy residual on a device.
subroutine, public	entropy_viscosity_apply_element_max_device (reg_coeff_d, lx, nelv)
	Apply the element-wise maximum on a device.
subroutine, public	entropy_viscosity_clamp_to_low_order_device (reg_coeff_d, h_d, max_wave_speed_d, c_avisc_low, n)
	Clamp the coefficient to low-order viscosity on a device.
subroutine, public	entropy_viscosity_smooth_divide_device (reg_coeff_d, temp_field_d, mult_field_d, n)
	Divide by gather-scatter multiplicity on a device.

Function/Subroutine Documentation

entropy_viscosity_apply_element_max_device()

subroutine, public entropy_viscosity_device::entropy_viscosity_apply_element_max_device	(	type(c_ptr), intent(in)	reg_coeff_d,
		integer, intent(in)	lx,
		integer, intent(in)	nelv
	)

Parameters

reg_coeff_d	Device regularization coefficient field.
lx	Number of points per element direction.
nelv	Number of local elements.

Definition at line 353 of file entropy_viscosity_device.F90.

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entropy_viscosity_clamp_to_low_order_device()

subroutine, public entropy_viscosity_device::entropy_viscosity_clamp_to_low_order_device	(	type(c_ptr), intent(in)	reg_coeff_d,
		type(c_ptr), intent(in)	h_d,
		type(c_ptr), intent(in)	max_wave_speed_d,
		real(kind=rp), intent(in)	c_avisc_low,
		integer, intent(in)	n
	)

Parameters

reg_coeff_d	Device regularization coefficient field.
h_d	Device mesh-size field.
max_wave_speed_d	Device maximum wave-speed field.
c_avisc_low	Low-order viscosity coefficient.
n	Number of points.

Definition at line 376 of file entropy_viscosity_device.F90.

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entropy_viscosity_compute_residual_device()

subroutine, public entropy_viscosity_device::entropy_viscosity_compute_residual_device	(	type(c_ptr), intent(in)	entropy_residual_d,
		type(c_ptr), intent(in)	s_d,
		type(c_ptr), intent(in)	s_lag1_d,
		type(c_ptr), intent(in)	s_lag2_d,
		type(c_ptr), intent(in)	s_lag3_d,
		real(kind=rp), dimension(4), intent(in)	bdf_coeffs,
		real(kind=rp), intent(in)	dt,
		integer, intent(in)	n
	)

Parameters

entropy_residual_d	Device entropy residual field.
S_d	Device current entropy field.
S_lag1_d	Device first lagged entropy field.
S_lag2_d	Device second lagged entropy field.
S_lag3_d	Device third lagged entropy field.
bdf_coeffs	BDF time-scheme coefficients.
dt	Time-step size.
n	Number of points.

Definition at line 290 of file entropy_viscosity_device.F90.

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entropy_viscosity_compute_viscosity_device()

subroutine, public entropy_viscosity_device::entropy_viscosity_compute_viscosity_device	(	type(c_ptr), intent(in)	reg_coeff_d,
		type(c_ptr), intent(in)	entropy_residual_d,
		type(c_ptr), intent(in)	h_d,
		real(kind=rp), intent(in)	c_avisc_entropy,
		real(kind=rp), intent(in)	n_s,
		integer, intent(in)	n
	)

Parameters

reg_coeff_d	Device regularization coefficient field.
entropy_residual_d	Device entropy residual field.
h_d	Device mesh-size field.
c_avisc_entropy	Entropy viscosity coefficient.
n_S	Entropy normalization factor.
n	Number of points.

Definition at line 326 of file entropy_viscosity_device.F90.

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entropy_viscosity_smooth_divide_device()

subroutine, public entropy_viscosity_device::entropy_viscosity_smooth_divide_device	(	type(c_ptr), intent(in)	reg_coeff_d,
		type(c_ptr), intent(in)	temp_field_d,
		type(c_ptr), intent(in)	mult_field_d,
		integer, intent(in)	n
	)

Parameters

reg_coeff_d	Device regularization coefficient field.
temp_field_d	Device field containing summed values.
mult_field_d	Device multiplicity field.
n	Number of points.

Definition at line 404 of file entropy_viscosity_device.F90.

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