Fig. 11From: Quasi-linear analysis of dispersion relation preservation for nonlinear schemesEnvelopes for T = 1 for the hyperbolic equations under the conditions Nx = 120 and Δt = 5 × 10−4 with k1 = ω1 = 6, k2 = 8, and ω2 = 12 for different spatial schemes and RK4Back to article page