An 𝐻¹-Galerkin Expanded Mixed Finite Element Approximation of Second-Order Nonlinear Hyperbolic Equations

Figure 3

The figures of 𝑢_ℎ and 𝐩_ℎ ((a) for 𝑢_ℎ, and (b), (c) for 𝐩_ℎ).

(a)

(b)

(c)