The change in Primitive variables are calculated as follows:
$\Delta \rho = \rho - \rho_{t}$ ; $\Delta \bar{V} = (\bar{V} - \bar{V}_{t})*\rho_{t}$ ; $\Delta P = \dfrac{P - P_{t}}{\gamma - 1}$
Thus, only one of $\Delta PV$ or $PV_t$ needs to be prescribed.

0: Pressure and Density sponge to infinity values: $\rho_t = \rho_{\infty}$
$\Delta \bar{V} = 0$
$P_t = P_{\infty}$

1: Pressure and Density sponge: $\Delta \rho = \rho \dfrac{\Delta P}{P}$
$\Delta \bar{V} = 0$
$P_t = P_{\infty}$

3: Pressure Velocity and Density sponge: $\rho_t = \rho_{\infty} * f_{\rho}$ , where $f_{\rho}$ is the targetDensityFactor
$P_t = P_{\infty}$

5: Channel Flow

6: Pressure and Density sponge to infinity values: $\rho_t = \rho_{\infty}$
$\Delta \bar{V} = 0$
$P_t = P_{\infty}$

77: Sponge layer for STG forcing

41: FAN -> Alexej Pogorelov

47: Hardcoded

Warning: The coordinate values are hardcoded in the implementation. Please see the code for detailed implementation.

446: Pressure sponge: $\Delta \rho = 0$
$\Delta \bar{V} = 0$
$\Delta P = \rho E - \dfrac{P_\infty}{\gamma-1}+\dfrac{1}{2} \rho {||\bar{V}||}^2$

11212: Pressure sponge to infinity: $\Delta \rho = 0$
$\Delta \bar{V} = 0$
$P_t = P_{\infty}$

11213: Flame

11214: Flame

51: General Sponge with Average

100: Jet

333: Velocity sponge to infinity: $\Delta \rho = 0$
$\bar{V}_t = \bar{V}_{\infty}$
$\Delta P = 0$

2014: Pressure Velocity and Density sponge to infinity: $\rho_t = \rho_{\infty}$
$\bar{V}_t = \bar{V}_{\infty}$
$P_t = P_{\infty}$

91900: Flame

919001: Flame Hardcoded

Warning: The coordinate values are hardcoded in the implementation. Please see the code for detailed implementation.

919002: Flame Hardcoded

Warning: The coordinate values are hardcoded in the implementation. Please see the code for detailed implementation.

40: Pressure and Density sponge: $\rho_t = \rho_{\infty} * f_{\rho}$ , where $f_{\rho}$ is the targetDensityFactor
$\Delta \bar{V} = 0$
$\Delta P = P_\infty + \Delta P_\tau (\text{DomainBndry[3]} - y_{cell})$

1174: Sponge for jet exiting (chevron) nozzle

2: vortex-pair cylinder (quiescent flow prescribed): $\rho_t = \rho \dfrac{\Delta P}{P}$
$\Delta \bar{V} = \bar{V}*\rho_t$
$P_t = P_{\infty}$

4: quiescent flow- Pressure and Density Sponged: $\rho_t = 1.0$
$\Delta \bar{V} = 0$
$P_t = P_{\infty}$

7: shock

1930: backward-facing step combustor

17511: forced response

1990: DL instability

17512: ...

17514: DL instability

17515: forced response velocity profile- forcing via sponge layer