Algorithm Options
The following inputs must be preceded by “incflo.”
Description  | 
Type  | 
Default  | 
|
|---|---|---|---|
advection_type  | 
Advection scheme (options: Godunov, MOL, BDS)  | 
string  | 
Godunov  | 
advect_momentum  | 
Advect momentum (otherwise use convective differencing)  | 
bool  | 
false  | 
advect_tracer  | 
evolve the tracer equation(s)?  | 
bool  | 
false  | 
trac_is_conservative  | 
Is tracer conserved? If specified, one entry required per tracer  | 
int  | 
1  | 
ntrac  | 
number of tracers  | 
int  | 
1  | 
constant_density  | 
Only evolve the continuity equation if false  | 
bool  | 
true  | 
rho_0  | 
density (if constant)  | 
Real  | 
1.0  | 
diffusion_type  | 
Diffusion type (0 = Explicit, 1 = Crank-Nicholson, 2 = Implicit)  | 
int  | 
2 (Implicit)  | 
mu  | 
viscosity (if constant)  | 
Real  | 
1.0  | 
mu_s  | 
scalar diffusivity  | 
Real(s)  | 
0.0  | 
use_tensor_solve  | 
In velocity solve, use multicomponent \(\nabla \cdot \tau\) otherwise use separate solves for each velocity component  | 
bool  | 
true  |