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Advanced Modeling and Simulation in Engineering Sciences
Fig. 9 | Advanced Modeling and Simulation in Engineering Sciences

Fig. 9

From: Simulation of impacts on elastic–viscoplastic solids with the flux-difference splitting finite volume method applied to non-uniform quadrilateral meshes

Fig. 9

Relative \(L^2\) errors of the stress and velocity computed at time \(4.34 \times 10^{-4}\) s with a CFL number set at one for a smooth profile of the initial velocity field. Comparison is performed for three values of the relaxation parameter \(\tau \), with the FEM, the Strang and Godunov splitting finite volume solutions. a \(\tau = 10^{-4}\) s. b \(\tau = 4.8 \times 10^{-6}\) s. c \(\tau = 10^{-7}\) s

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