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m1

This page contains a full reference of all parameters available for the m1 module. At the bottom of the page you can find an example parameter block that can be used in your parameter file.

m1

M1 scheme

Name:

bc_kind

Type:

keyword

Default:

outgoing

Range:

outgoing, none

Description:

Boundary conditions

Name:

id_type

Type:

keyword

Default:

zero

Range:

straight_beam, scattering, shadow, emitting_sphere, zero, curved_beam

Description:

Initialization prescription for radiation fields

atmosphere

Atmosphere settings for M1

Name:

E_fl

Type:

double

Default:

1e-14

Range:

(0,*)

Description:

Floor of energy density

Name:

E_scaling

Type:

double

Default:

0

Range:

[0,*)

Description:

Radial dependence of energy density floor

Name:

eps_fl

Type:

double

Default:

1

Range:

(0,*)

Description:

Flooring value for average energy

Name:

eps_min

Type:

double

Default:

1

Range:

(0,*)

Description:

Minimum allowed average energy

Name:

eps_max

Type:

double

Default:

1

Range:

(0,*)

Description:

Maximum allowed average energy

excision

Excision parameters for M1 transport

Name:

E_excision

Type:

double

Default:

1e-14

Range:

(0,*)

Description:

Value of energy density inside excised regions

Name:

eps_excision

Type:

double

Default:

1

Range:

(0,*)

Description:

Value of average energy inside excised regions

eas

Parameters controlling emission absorption and scattering rates

Name:

kind

Type:

keyword

Default:

test

Range:

test, basic_photon_rates

Description:

What prescription to use to set eas

scattering_test

Parameters of scattering test

Name:

k_s

Type:

double

Default:

100

Range:

(0,*)

Description:

Constant scattering opacity

Name:

t_0

Type:

double

Default:

1

Range:

(0,*)

Description:

Time of initial data

Name:

is_static_background

Type:

bool

Default:

True

Description:

Is background fluid static or moving?

emitting_sphere_test

Parameters for emitting sphere test

Name:

temperature

Type:

double

Default:

1

Range:

(0,*)

Description:

Temperature for rates

Name:

cross_section

Type:

double

Default:

10

Range:

(0,*)

Description:

Cross section for rates