I am building radial gas profiles for some galaxies and I am trying to take into account the mass distribution of gas particles (as opposed to considering that all the mass of the particles are at their centers).
I am just assuming a gaussian kernel to describe the density profile of the gas cells, but I am not sure if I am using the adequate kernel to describe the profile of most cells. Is there a recommended kernel for the gas cells?
Dylan Nelson
23 Aug
In 99.9% of papers and analyses, assuming the mass is at the cell center is sufficient.
If you want to go further, you could assume the mass is equally distributed throughout the cell, i.e. it has constant density everywhere. By "throughout the cell" I mean across the geometry of the polyhedron of that Voronoi cell, within the global Voronoi mesh.
Hi,
I am building radial gas profiles for some galaxies and I am trying to take into account the mass distribution of gas particles (as opposed to considering that all the mass of the particles are at their centers).
I am just assuming a gaussian kernel to describe the density profile of the gas cells, but I am not sure if I am using the adequate kernel to describe the profile of most cells. Is there a recommended kernel for the gas cells?
In 99.9% of papers and analyses, assuming the mass is at the cell center is sufficient.
If you want to go further, you could assume the mass is equally distributed throughout the cell, i.e. it has constant density everywhere. By "throughout the cell" I mean across the geometry of the polyhedron of that Voronoi cell, within the global Voronoi mesh.