Theory

General
Basis functions and collocation nodes
Perturbation Theory
Zernike Polynomial Evaluation
List of Variables
Optimizers Supported

Guides

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Equilibrium Solve Tutorials

Basic Equilibrium
Advanced Equilibrium & Continuation
Continuation method step by step
Near axis constraints
Free boundary equilibrium

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Advanced QS Optimization
REGCOIL-Like Coil Optimization in DESC
Omnigenity Optimization
Bootstrap Current Self-Consistency
Stage-Two Filamentary Coil Optimization
Quadratic Flux Minimizing Surfaces
Infinite-\(n\) ideal ballooning stability optimization
Neoclassical transport and fast ions
Deflation Methods for Equilibrium and Optimization
Near Axis Constrained Equilibria

Public API

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Magnetic Fields and Coils
- Magnetic Fields
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Particles
Alphabetical Listing

Command Line Interface and I/O

Command Line Interface
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Developer Guides

How do we solve Equilibrium?
Collocation grids
Adding new physics quantities
Adding new objective functions
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Jax and Backend
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Publication List

DESC

Magnetic Fields and Coils
desc.magnetic_fields.SourceFreeField
desc.magnetic_fields.SourceFreeField.sym
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desc.magnetic_fields.SourceFreeField.sym

property SourceFreeField.symSource 

Whether the surface is stellarator symmetric.

Type:: bool

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© Copyright 2020, Plasma Control Group at Princeton University. Last updated on Jun 24, 2026.

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