TARANG.lib.solver_fns.compute_nlin_mhd

TARANG.lib.solver_fns.compute_nlin_mhd#

Functions#

compute_prod_transform(para, U, B, univ)

Compute the product and transform for the magnetohydrodynamic (MHD) field.

compute_nlin_mhd(para, t, U, B, univ)

Compute the nonlinear terms for the magnetohydrodynamic (MHD) field.

UB_to_Elsasser(para, U, B, univ)

Convert velocity and magnetic fields to Elsasser variables.

Elsasser_to_UB(para, U, B, univ)

Convert Elsasser variables back to velocity and magnetic fields.

Elsasser_to_UB_nlin(para, U, B, univ)

Convert nonlinear terms of Elsasser variables back to velocity and magnetic fields.

compute_cross_helicity(para, U, B)

Compute the cross helicity of the velocity and magnetic fields.

Elsasser_to_UB_force(para, U, B, univ)

Convert forcing terms of Elsasser variables back to velocity and magnetic fields.

compute_dt_mhd(para, U, B, univ)

Compute the time step for the magnetohydrodynamic (MHD) field.

UB_to_Elsasser_real(para, U, B, univ)

Elsasser_to_UB_real(para, U, B, univ)

Module Contents#

TARANG.lib.solver_fns.compute_nlin_mhd.compute_prod_transform(para, U, B, univ)#

Compute the product and transform for the magnetohydrodynamic (MHD) field.

Parameters:

  • U (VectorField) – VectorField object representing the velocity field.

  • B (VectorField) – VectorField object representing the magnetic field.

  • univ (UniversalArrays) – UniversalArrays object for temporary storage.

Return type:

None

TARANG.lib.solver_fns.compute_nlin_mhd.compute_nlin_mhd(para, t, U, B, univ)#

Compute the nonlinear terms for the magnetohydrodynamic (MHD) field.

Parameters:

  • t (float) – Current time.

  • U (VectorField) – VectorField object representing the velocity field.

  • B (VectorField) – VectorField object representing the magnetic field.

  • univ (UniversalArrays) – UniversalArrays object for temporary storage.

Return type:

None

TARANG.lib.solver_fns.compute_nlin_mhd.UB_to_Elsasser(para, U, B, univ)#

Convert velocity and magnetic fields to Elsasser variables.

Parameters:

  • U (VectorField) – VectorField object representing the velocity field.

  • B (VectorField) – VectorField object representing the magnetic field.

  • univ (UniversalArrays) – UniversalArrays object for temporary storage.

Return type:

None

TARANG.lib.solver_fns.compute_nlin_mhd.Elsasser_to_UB(para, U, B, univ)#

Convert Elsasser variables back to velocity and magnetic fields.

Parameters:

  • U (VectorField) – VectorField object representing the velocity field.

  • B (VectorField) – VectorField object representing the magnetic field.

  • univ (UniversalArrays) – UniversalArrays object for temporary storage.

Return type:

None

TARANG.lib.solver_fns.compute_nlin_mhd.Elsasser_to_UB_nlin(para, U, B, univ)#

Convert nonlinear terms of Elsasser variables back to velocity and magnetic fields.

Parameters:

  • U (VectorField) – VectorField object representing the velocity field.

  • B (VectorField) – VectorField object representing the magnetic field.

  • univ (UniversalArrays) – UniversalArrays object for temporary storage.

Return type:

None

TARANG.lib.solver_fns.compute_nlin_mhd.compute_cross_helicity(para, U, B)#

Compute the cross helicity of the velocity and magnetic fields.

Parameters:

  • U (VectorField) – VectorField object representing the velocity field.

  • B (VectorField) – VectorField object representing the magnetic field.

Returns:

Cross helicity of the velocity and magnetic fields.

Return type:

float

TARANG.lib.solver_fns.compute_nlin_mhd.Elsasser_to_UB_force(para, U, B, univ)#

Convert forcing terms of Elsasser variables back to velocity and magnetic fields.

Parameters:

  • U (VectorField) – VectorField object representing the velocity field.

  • B (VectorField) – VectorField object representing the magnetic field.

  • univ (UniversalArrays) – UniversalArrays object for temporary storage.

Return type:

None

TARANG.lib.solver_fns.compute_nlin_mhd.compute_dt_mhd(para, U, B, univ)#

Compute the time step for the magnetohydrodynamic (MHD) field.

Parameters:

  • U (VectorField) – VectorField object representing the velocity field.

  • B (VectorField) – VectorField object representing the magnetic field.

  • univ (UniversalArrays) – UniversalArrays object for temporary storage.

Return type:

None

TARANG.lib.solver_fns.compute_nlin_mhd.UB_to_Elsasser_real(para, U, B, univ)#
TARANG.lib.solver_fns.compute_nlin_mhd.Elsasser_to_UB_real(para, U, B, univ)#
Contents