Nonlinear Magnetoconvection in a Sparsely Packed Porous Medium

Figure 2

Neutral curves for the stationary bifurcation (solid lines) and for the Hopf bifurcation (dashed lines) near the codimension two point for 𝑄=2000, 𝐷_𝑎=1500, Λ=0.85, 𝜙=0.9, Pr₁=1, and 𝑀=0.9, (a)  Pr₂=1.27, (b)  Pr₂=1.3, (c)  Pr₂=1.35  𝑥-axis wave number, 𝑦-Rayleigh numbers 𝑅_𝑠,𝑅_𝑜.

(a)

(b)

(c)