A quasi-optical beam-tracing code for electron cyclotron waves absorption and current drive in tokamaks
95d398d503
To improve the analytical model correctness this changes the formula of the toroidal flux to lift the large aspect ratio approximation (a << R₀). In fact, Φ(r) = B₀πr² is technically inconsistent with the field varying as B₀R₀/R. The exact expression is: Φ(r) = B₀πr² 2/[1 + √(1 - r²/R₀²)], which is approximately equal to the former for r << R₀. Note that this change introduces a divergence in the poloidal field at r=R₀ (since ∂Φ/∂r → +∞), so the domain of the equilibrium has been restricted to r<R₀, as expected. This should not be a concern because the field outside the plasma boundary is never directly, particularly not by the integrator. |
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| input | ||
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| src | ||
| srcjetto | ||
| .gitignore | ||
| configure | ||
| default.nix | ||
| depend | ||
| LICENSE.md | ||
| Makefile | ||
| minpack-LICENSE.txt | ||