# 2020 Papers

Posted on September 15th, 2020
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The purpose of this post is to summarize papers published, or at least drafted, in 2020.

## Published

### Zolotukhin, Daniels, Brieda, Keidar, “Onset of the magnetized arc and its effect on the momentum of a low-power two-stage pulsed magneto-plasma-dynamic thruster”, AIP Phys. Rev. E

This paper, mainly written by D. Zolotukhin, presented very interesting experimental results from a study of the impact of applied magnets on the thrust of a small vacuum arc thruster for Cubesat applications. Denis found that, with magnet, there is a threshold voltage that results to a significant increase in thrust compared to the no-magnet case. I ran a quick simulation using Starfish that seems to confirm formation of a $$\vec{j}\times\vec{B}$$ force.

### Brieda, Laugharm, “Optimization, Development, and Validation of the Contamination Transport Simulation Code”, SPIE Optics & Photonics

This really fun paper ended up being bit of a kitchen sink summarizing numerous improvements to my Contamination Transport Simulation Program. The paper started by describing code optimization, including a rewrite of the octree to use a Morton Z-curve, the addition of parallelization with MPI and multithreading, creation of an HTML GUI, summary of new molecular and particulate models (which are already somewhat out of date), DSMC, and a preliminary write up from a planned experimental validation.

## Work in Progress

The following papers are in a various form of progress (all have at least been started, some are almost ready for submission). I am including them all here to keep myself accountable! Hopefully by the end of the year, many will move over to the section above.

### Plume Potential Models

This paper focuses on plasma potential models for hybrid-PIC simulations

### PIC-DSMC Parallelization

This paper discusses a novel scheme for parallelizing PIC-DSMC simulations

### HET Plume Coupling

This paper describes a code developed to simulate a Hall Thruster and its coupling with a plume code to study facility effects

### Vacuum Arc Modeling

Here we used a GPU code to simulate the breakdown in a vacuum arc

### Surface Layer

This paper describes the recently developed scheme for dynamic modeling of the surface layer

### Starfish Summary

Paper describing features and validation of my 2D PIC/rarefied gas code Starfish.

### Contamination Modeling

This paper describes modeling contamination deposition modeling during the deployment sequence of an upcoming satellite.

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