Explicit Multistep Mixed Finite Element Method for RLW Equation

Table 8

Convergence order and error in 𝐿² norm for 𝑞 of space with Δ𝑡=0.01 and 𝑐=0.1.

Time	ℎ=0.8	ℎ=0.4	ℎ=0.2	Order (0.4/0.8)	Order (0.2/0.4)
4	2.3426𝑒−004	5.4759𝑒−005	1.2581𝑒−005	2.0969	2.1218
8	4.2831𝑒−004	1.0038𝑒−004	2.2853𝑒−005	2.0932	2.1350
12	5.7270𝑒−004	1.3452𝑒−004	3.0443𝑒−005	2.0900	2.1436
16	6.7812𝑒−004	1.5951𝑒−004	3.5927𝑒−005	2.0879	2.1505
20	7.5693𝑒−004	1.7832𝑒−004	4.0176𝑒−005	2.0857	2.1501