3*******************************************************************************
4** copyright(c) 2002-2025 the roms group **
5** licensed under a mit/x style license **
6** see license_roms.md **
7*******************************************************************************
9** options for channel with a constriction test.
11** application flag: channel_neck
12** input script: roms_channel_neck1.in, roms_channel_neck3.in
18#undef OPT_OBSERVATIONS
19#undef OPT_PERTURBATION
41# define IMPLICIT_VCONV
49#ifdef OPT_PERTURBATION
65#ifdef OPT_OBSERVATIONS
67# define IMPLICIT_VCONV