Data for "Improved stellarator permanent magnet designs through combined discrete and continuous optimizations"

Hammond, Kenneth; Kaptanoglu, Alan

doi:10.34770/haxf-3c93

Title: Data for "Improved stellarator permanent magnet designs through combined discrete and continuous optimizations"

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Princeton Plasma Physics Laboratory; Princeton Plasma Physics Laboratory
Courant Institute of Mathematical Sciences

Publication Date:: Sun Dec 31 23:00:00 EST 2023

DOE Contract Number:: AC02-09CH11466; FG02-93ER54197

Research Org.:: Princeton Plasma Physics Laboratory (PPPL), Princeton, NJ (United States)

Sponsoring Org.:: USDOE Office of Science (SC)

Subject:: optimization; permanent magnet; stellarator

OSTI Identifier:: 2447758

DOI:: https://doi.org/10.34770/haxf-3c93

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                    Hammond, Kenneth, and Kaptanoglu, Alan. Data for "Improved stellarator permanent magnet designs through combined discrete and continuous optimizations".  United States: N. p., 2023. 
        Web.  doi:10.34770/haxf-3c93.

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                    Hammond, Kenneth, & Kaptanoglu, Alan. Data for "Improved stellarator permanent magnet designs through combined discrete and continuous optimizations".  United States.  doi:https://doi.org/10.34770/haxf-3c93

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                    Hammond, Kenneth, and Kaptanoglu, Alan. 2023.  
"Data for "Improved stellarator permanent magnet designs through combined discrete and continuous optimizations"".  United States.  doi:https://doi.org/10.34770/haxf-3c93.  https://www.osti.gov/servlets/purl/2447758. Pub date:Sun Dec 31 23:00:00 EST 2023

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@article{osti_2447758,

  title        = {Data for "Improved stellarator permanent magnet designs through combined discrete and continuous optimizations"},

  author       = {Hammond, Kenneth and Kaptanoglu, Alan},

  abstractNote = {},

  doi          = {10.34770/haxf-3c93},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {Sun Dec 31 23:00:00 EST 2023},

  month        = {Sun Dec 31 23:00:00 EST 2023}

}

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DOI: https://doi.org/10.34770/haxf-3c93

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Improved stellarator permanent magnet designs through combined discrete and continuous optimizations

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A common optimization problem in the areas of magnetized plasmas and fusion energy is the design of magnets to produce a given three-dimensional magnetic field distribution to high precision. When designing arrays of permanent magnets for stellarator plasma confinement, such problems have tens of thousands of degrees of freedom whose solutions, for practical reasons, should be constrained to discrete spaces. We perform a direct comparison between two algorithms that have been developed previously for this purpose, and demonstrate that composite procedures that apply both algorithms in sequence can produce substantially improved results. One approach uses a continuous, quasi-Newton procedure tomore »« less
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