Magnetohydrodynamics
2D MHD — velocity + magnetic field coupling, Alfvén waves
η (resistivity):
0.010
ν (viscosity):
0.010
B₀ (bg field):
0.50
Display:
Current J
Vorticity ω
Mag Pressure
Flow Speed
Perturb
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∂ᵥ/∂t = −(v·∇)v + (J×B)/ρ + ν∇²v | ∂B/∂t = ∇×(v×B) + η∇²B | J = ∇×B | Alfvén speed: v_A = B/√(μ₀ρ)