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Numerical Methods for Stellarator Equilibrium and Optimization : = Continuation Methods, Free Boundary Equilibrium, and Constrained Optimization.

Record Type:	Language materials, manuscript : Monograph/item
Title/Author:	Numerical Methods for Stellarator Equilibrium and Optimization :/
Reminder of title:	Continuation Methods, Free Boundary Equilibrium, and Constrained Optimization.
Author:	Conlin, William.
Description:	1 online resource (130 pages)
Notes:	Source: Dissertations Abstracts International, Volume: 85-12, Section: B.
Contained By:	Dissertations Abstracts International85-12B.
Subject:	Mechanical engineering. -
Online resource:	click for full text (PQDT)
ISBN:	9798382809007

Numerical Methods for Stellarator Equilibrium and Optimization : = Continuation Methods, Free Boundary Equilibrium, and Constrained Optimization.
Conlin, William.

Numerical Methods for Stellarator Equilibrium and Optimization :Continuation Methods, Free Boundary Equilibrium, and Constrained Optimization. - 1 online resource (130 pages)

Source: Dissertations Abstracts International, Volume: 85-12, Section: B.

Thesis (Ph.D.)--Princeton University, 2024.

Includes bibliographical references

The stellarator is a promising concept for a future nuclear fusion power plant, but has gotten relatively little attention compared to the tokamak concept. One of the main reasons for this is the computational expense of modelling and designing them, and the fact that a stellarator power plant requires extensive numerical optimization to ensure good confinement of heat and particles. In this thesis a number of new developments towards the goal of designing and optimizing a future stellarator power plant are described, as encompassed in the DESC code for stellarator equilibrium and optimization. Novel use of continuation and perturbation methods allows for solving the complicated 3D MHD equilibrium problem orders of magnitude more quickly and accurately than legacy codes. New high order methods for singular integrals similarly improve the solution of the free boundary equilibrium problem. We also consider new optimization methods for both equilibrium constrained optimization and more general constraints that accelerate the problem of optimizing a stellarator for desirable physics properties.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2024

Mode of access: World Wide Web

ISBN: 9798382809007Subjects--Topical Terms:

557493
Mechanical engineering.
Subjects--Index Terms:

EquilibriumIndex Terms--Genre/Form:

554714
Electronic books.

Numerical Methods for Stellarator Equilibrium and Optimization : = Continuation Methods, Free Boundary Equilibrium, and Constrained Optimization.
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502 $a Thesis (Ph.D.)--Princeton University, 2024.
504 $a Includes bibliographical references
520 $a The stellarator is a promising concept for a future nuclear fusion power plant, but has gotten relatively little attention compared to the tokamak concept. One of the main reasons for this is the computational expense of modelling and designing them, and the fact that a stellarator power plant requires extensive numerical optimization to ensure good confinement of heat and particles. In this thesis a number of new developments towards the goal of designing and optimizing a future stellarator power plant are described, as encompassed in the DESC code for stellarator equilibrium and optimization. Novel use of continuation and perturbation methods allows for solving the complicated 3D MHD equilibrium problem orders of magnitude more quickly and accurately than legacy codes. New high order methods for singular integrals similarly improve the solution of the free boundary equilibrium problem. We also consider new optimization methods for both equilibrium constrained optimization and more general constraints that accelerate the problem of optimizing a stellarator for desirable physics properties.
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538 $a Mode of access: World Wide Web
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