A Time-Discontinuous Galerkin Finite Element Method for the Solution of Impact Problem of Gas-Saturated Coal

Figure 8

Comparison of the pressure distributions between the Newmark method and the MDGFEM. (a) Newmark method 0.001 s, (b) MDGFEM 0.001 s, (c) Newmark method 0.003 s, (d) MDGFEM 0.003 s, (e) Newmark method 0.005 s, and (f) MDGFEM 0.005 s.

(a)

(b)

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(f)