Should the computation be taking this long? Also, I want to consider the interactions between the electrons. I will probably need to run this simulation to 1 ms, which would obviously take longer. ![]() I ran the simulation for 3 days with this force enabled, and it only got to 2.7e-4 seconds. Without using an electric force, this simulation takes < 30 seconds to run to 0.1 ms. I am now attempting to use the Charged Particle Tracing module. I tried using the wall, electron outlet, and flux boundary conditions, but none of them seem to be working. I want all electrons hitting the outer boundary to leave the system, but when I run this the electron density continues increasing indefinitely. Since I am modeling electrons without ions, would this module be appropriate? In this simulation, I am trying to find the steady state electron density distribution starting with virtually no electrons, and a constant electron production rate in the center. I initially attempted to use the Drift Diffusion module, but I have been running into problems with it. ![]() I'm new to COMSOL, so I'm not too familiar with the limitations of the different modules. I was wondering if anyone had recommendations for how to best approach this. ![]() The electrons are confined by an electric potential. I am trying to model the confinement of a cloud of electrons in the center of a spherical axisymetric system.
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