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2 September 2020 Optimization, development, and validation of the contamination transport simulation code
Lubos Brieda, Marc Laugharn
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Proceedings Volume 11489, Systems Contamination: Prediction, Control, and Performance 2020; 114890H (2020) https://doi.org/10.1117/12.2566538
Event: SPIE Optical Engineering + Applications, 2020, Online Only
Abstract
This paper discusses recent model improvements and performance optimization implemented in the Contamination Transport Simulation Program (CTSP). We start by discussing modification of the storage octree to utilize the space-filling Morton Z curve. We then discuss several enhancements to the input file format, such as the ability to utilize mathematical expressions and to combine several short steady-state solutions to cover a longer physical time frame. An HTML-based GUI is described. We then introduce a new molecular model based on materials- specific activation energy and the ability to use partial pressure curves to control material adhesion. Subcycling for particulate motion and a new model for particle surface adhesion are also covered. The paper finishes with a brief discussion of an ongoing experimental test campaign.
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Lubos Brieda and Marc Laugharn "Optimization, development, and validation of the contamination transport simulation code", Proc. SPIE 11489, Systems Contamination: Prediction, Control, and Performance 2020, 114890H (2 September 2020); https://doi.org/10.1117/12.2566538
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KEYWORDS
Contamination
Particles
Space operations
Visualization
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