Presentation
BEARCLAW is a AMR code based on a Riemann solver aim to be used for astrophysical application.
The hydro part of the solver have been tested using the suite in the book by Toro.
1D Test: Rossmanith Thesis /Ryu & Jones
This test has the folowing left and right state
| density | Vx | Vy | Vz | P | Bx | By | Bz | |
| left | 1 | 0 | 0 | 0 | 1 | 0.7 | 0 | 0 |
| right | 0.3 | 0 | 0 | 1 | 0.2 | 0.7 | 1 | 0 |
The fine line represent the analytically calculated "plateau". Done with
an order 2, no transverse wave and a Lax-Friedrichs wave limiter.
We have plot the density, Vx, Vy, Vz, By and Bz
with MUSCL
with MUSCL
1D Test: Balsara
this test has 7 discontinuities and allow us to test the abilities of the code to test the slow and fast waves of each families. MUSCL is working much better than wavwbear which had a "spike" at the last discontinuity.
2D test: inclined shock
the low resolution version give already a nice result. There is an oscillation, stronger than
in the 1D case, but the resolution is much less.
2D test: jet launching
with MUSCL the movie of the density evolution UP to negativ density and dies...
2D Test: Orzag & Tang Vortex
For this test we show the density with and without divergence cleaning.
