Commit 4541b7de authored by Matthieu Schaller's avatar Matthieu Schaller
Browse files

No ; to start lines in README files.

parent 969f0a24
;
;To make the initial conditions we distribute gas particles randomly in a cube
;with a side length twice that of the virial radius. The density profile
;of the gas is proportional to r^(-2) where r is the distance from the centre
;of the cube.
;
;The parameter v_rot (in makeIC.py and cooling.yml) sets the circular velocity
;of the halo, and by extension, the viral radius, viral mass, and the
;internal energy of the gas such that hydrostatic equilibrium is achieved.
;
;While the system is initially in hydrostatic equilibrium, the cooling of the
;gas means that the halo will collapse.
;
;To run this example, make such that the code is compiled with either the
;isothermal potential or softened isothermal potential, and 'const_lambda'
;cooling, set in src/const.h. In
;the latter case, a (small) value of epsilon needs to be set in cooling.yml.
;0.1 kpc should work well.
;
;The plotting scripts produce a plot of the density, internal energy and radial
;velocity profile for each snapshot. test_energy_conservation.py shows the
;evolution of energy with time. These can be used to check if the example
;has run properly.
;
;
\ No newline at end of file
To make the initial conditions we distribute gas particles randomly in
a cube with a side length twice that of the virial radius. The density
profile of the gas is proportional to r^(-2) where r is the distance
from the centre of the cube.
The parameter v_rot (in makeIC.py and cooling.yml) sets the circular
velocity of the halo, and by extension, the viral radius, viral mass,
and the internal energy of the gas such that hydrostatic equilibrium
is achieved.
While the system is initially in hydrostatic equilibrium, the cooling
of the gas means that the halo will collapse.
To run this example, make such that the code is compiled with either
the isothermal potential or softened isothermal potential, and
'const_lambda' cooling, set in src/const.h. In the latter case, a
(small) value of epsilon needs to be set in cooling.yml. 0.1 kpc
should work well.
The plotting scripts produce a plot of the density, internal energy
and radial velocity profile for each
snapshot. test_energy_conservation.py shows the evolution of energy
with time. These can be used to check if the example has run properly.
;
;To make the initial conditions we distribute gas particles randomly in a cube
;with a side length twice that of the virial radius. The density profile
;of the gas is proportional to r^(-2) where r is the distance from the centre
;of the cube.
;
;The parameter v_rot (in makeIC.py and cooling.yml) sets the circular velocity
;of the halo, and by extension, the viral radius, viral mass, and the
;internal energy of the gas such that hydrostatic equilibrium is achieved.
;
;The gas is given some angular momentum about the z-axis. This is defined by
;the 'spin_lambda' variable in makeIC.py
;
;While the system is initially in hydrostatic equilibrium, the cooling of the
;gas and the non-zero angular momentum means that the halo will collapse into
;a spinning disc.
;
;To run this example, make such that the code is compiled with either the
;isothermal potential or softened isothermal potential, and 'const_lambda'
;cooling, set in src/const.h. In
;the latter case, a (small) value of epsilon needs to be set in cooling.yml.
;0.1 kpc should work well.
;
;The plotting scripts produce a plot of the density, internal energy and radial
;velocity profile for each snapshot. test_energy_conservation.py shows the
;evolution of energy with time. These can be used to check if the example
;has run properly.
;
;
\ No newline at end of file
To make the initial conditions we distribute gas particles randomly in
a cube with a side length twice that of the virial radius. The density
profile of the gas is proportional to r^(-2) where r is the distance
from the centre of the cube.
The parameter v_rot (in makeIC.py and cooling.yml) sets the circular
velocity of the halo, and by extension, the viral radius, viral mass,
and the internal energy of the gas such that hydrostatic equilibrium
is achieved.
The gas is given some angular momentum about the z-axis. This is
defined by the 'spin_lambda' variable in makeIC.py
While the system is initially in hydrostatic equilibrium, the cooling
of the gas and the non-zero angular momentum means that the halo will
collapse into a spinning disc.
To run this example, make such that the code is compiled with either
the isothermal potential or softened isothermal potential, and
'const_lambda' cooling, set in src/const.h. In the latter case, a
(small) value of epsilon needs to be set in cooling.yml. 0.1 kpc
should work well.
The plotting scripts produce a plot of the density, internal energy
and radial velocity profile for each
snapshot. test_energy_conservation.py shows the evolution of energy
with time. These can be used to check if the example has run properly.
;
;To make the initial conditions we distribute gas particles randomly in a cube
;with a side length twice that of the virial radius. The density profile
;of the gas is proportional to r^(-2) where r is the distance from the centre
;of the cube.
;
;The parameter v_rot (in makeIC.py and cooling.yml) sets the circular velocity
;of the halo, and by extension, the viral radius, viral mass, and the
;internal energy of the gas such that hydrostatic equilibrium is achieved.
;
;To run this example, make such that the code is compiled with either the
;isothermal potential or softened isothermal potential set in src/const.h. In
;the latter case, a (small) value of epsilon needs to be set in cooling.yml.
;0.1 kpc should work well.
;
;The plotting scripts produce a plot of the density, internal energy and radial
;velocity profile for each snapshot. test_energy_conservation.py shows the
;evolution of energy with time. These can be used to check if the example
;has run properly.
;
\ No newline at end of file
To make the initial conditions we distribute gas particles randomly in
a cube with a side length twice that of the virial radius. The density
profile of the gas is proportional to r^(-2) where r is the distance
from the centre of the cube.
The parameter v_rot (in makeIC.py and cooling.yml) sets the circular
velocity of the halo, and by extension, the viral radius, viral mass,
and the internal energy of the gas such that hydrostatic equilibrium
is achieved.
To run this example, make such that the code is compiled with either
the isothermal potential or softened isothermal potential set in
src/const.h. In the latter case, a (small) value of epsilon needs to
be set in cooling.yml. 0.1 kpc should work well.
The plotting scripts produce a plot of the density, internal energy
and radial velocity profile for each
snapshot. test_energy_conservation.py shows the evolution of energy
with time. These can be used to check if the example has run properly.
......@@ -91,7 +91,6 @@
#define const_gravity_eta 0.025f
/* External gravity properties */
#define EXTERNAL_POTENTIAL_NONE
//#define EXTERNAL_POTENTIAL_POINTMASS
//#define EXTERNAL_POTENTIAL_ISOTHERMALPOTENTIAL
......
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