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

Figure 2

The figures of exact solution 𝐩=(𝑃₁,𝑃₂) and numerical solution 𝐩_ℎ=(𝑃_ℎ1,𝑃_ℎ2) at 𝑡=1.0 ((a), (b) for 𝐩 and (c), (d) for 𝐩_ℎ).

(a)

(b)

(c)

(d)