The two-dimensional Kelvin-Helmholtz instability problem: [pressure]
[density]

The two-dimensional Orszag-Tang problem:
[pressure]
[density]

the x- and z-components of the magnetic field:
[B_x] [B_z]

the x- and z-components of the velocity field: [u_x]
[u_z]

(*) J. Balbas, E. Tadmor, and C.-C. Wu "Non-oscillatory central schemes for

one- and two-dimensional MHD equations",
CSCAMM preprint 03-16