 Experiments with static  interfaces show that our hybrid approach is suitable and notoriously superior to conventional numerical methods in under-resolved and steep, concave regions.
<meaning-changed>  Experiments with static  interfaces show that our hybrid approach is suitable and notoriously superior to conventional numerical methods in under-resolved and steep, concave regions.
 Experiments with static interfaces show that our hybrid approach is suitable and notoriously superior to conventional numerical methods in coarse grids and along steep interface regions.