tardis.model.density module

class tardis.model.density.HomologousDensity(*args, **kwargs)

Bases: tardis.io.util.HDFWriterMixin

A class that holds an initial density and time

Parameters

density_0astropy.units.Quantity

time_0astropy.units.Quantity

calculate_density_at_time_of_simulation(time_explosion)

Scale density_0 from an time_0 to the time_explosion by ^-3

Parameters

time_explosionastropy.units.Quantity

Returns

astropy.units.Quantity

classmethod from_config(config)

Create a new HomologousDensity instance from a Configuration object.

Parameters

configtardis.io.config_reader.Configuration

Returns

HomologousDensity

classmethod from_csvy(config, csvy_model_config)

Create a new HomologousDensity instance from a base Configuration object and a csvy model Configuration object.

Parameters

configtardis.io.config_reader.Configuration

csvy_model_configtardis.io.config_reader.Configuration

Returns

HomologousDensity

hdf_properties = ['density_0', 'time_0']

tardis.model.density.calculate_density_after_time(densities, time_0, time_explosion)

scale the density from an initial time of the model to the time of the explosion by ^-3

Parameters

densitiesastropy.units.Quantity

densities

time_0astropy.units.Quantity

time of the model

time_explosionastropy.units.Quantity

time to be scaled to

Returns

scaled_density

tardis.model.density.calculate_exponential_density(velocities, velocity_0, rho_0)

This function computes the exponential density profile. \(\rho = \rho_0 \times \exp \left( -\frac{v}{v_0} \right)\)

Parameters

velocitiesastropy.Quantity

Array like velocity profile

velocity_0astropy.Quantity

reference velocity

rho_0astropy.Quantity

reference density

Returns

densitiesastropy.Quantity

tardis.model.density.calculate_power_law_density(velocities, velocity_0, rho_0, exponent)

This function computes a descret exponential density profile. \(\rho = \rho_0 \times \left( \frac{v}{v_0} \right)^n\)

Parameters

velocitiesastropy.Quantity

Array like velocity profile

velocity_0astropy.Quantity

reference velocity

rho_0astropy.Quantity

reference density

exponentfloat

exponent used in the powerlaw

Returns

densitiesastropy.Quantity