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[ascl:1712.008] CosApps: Simulate gravitational lensing through ray tracing and shear calculation

Cosmology Applications (CosApps) provides tools to simulate gravitational lensing using two different techniques, ray tracing and shear calculation. The tool ray_trace_ellipse calculates deflection angles on a grid for light passing a deflecting mass distribution. Using MPI, ray_trace_ellipse may calculate deflection in parallel across network connected computers, such as cluster. The program physcalc calculates the gravitational lensing shear using the relationship of convergence and shear, described by a set of coupled partial differential equations.

Code site:
https://github.com/kd0kfo/cosmology
Appears in:
http://adsabs.harvard.edu/abs/2010PhDT.......285C http://thesis.davecoss.com/
Bibcode:
2017ascl.soft12008C

ascl:1712.008
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