Finite Volume Methods for Hyperbolic Problems

claw/book/chap15/wcblast

Animation of density computed using high-resolution method with the Roe solver.

Circles: Density computed with 500 grid cells,
Solid line: Density computed with 2000 grid cells

The HLLE Riemann solver used to compute the results shown in Figure 15.6 had a bug.
The correct results look only slightly better:

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