, , , ![Node6 10 $ \color{white} a_t$](https://www.cfdsupport.com/Turbomachinery-CFD-manual/img75.png) | partial derivative with respect to axis directions and time |
![Node6 11 $ \color{white} a_w$](https://www.cfdsupport.com/Turbomachinery-CFD-manual/img76.png) | at the wall |
![Node6 12 $ \color{white} a_\infty$](https://www.cfdsupport.com/Turbomachinery-CFD-manual/img77.png) | asymptotic quantity |
![Node6 13 $ \color{white} a_T$](https://www.cfdsupport.com/Turbomachinery-CFD-manual/img78.png) | turbulent |
, , ![Node6 16 $ \color{white} a_k$](https://www.cfdsupport.com/Turbomachinery-CFD-manual/img81.png) | reference directions |
, , ![Node6 19 $ \color{white} a_3$](https://www.cfdsupport.com/Turbomachinery-CFD-manual/img84.png) | related to x,y,z-axis direction |
![Node6 20 $ \color{white} a_0$](https://www.cfdsupport.com/Turbomachinery-CFD-manual/img85.png) | reference value |
![Node6 21 $ \color{white} a_p$](https://www.cfdsupport.com/Turbomachinery-CFD-manual/img86.png) | related to pressure |
![Node6 22 $ \color{white} a_m$](https://www.cfdsupport.com/Turbomachinery-CFD-manual/img87.png) | related to momentum equations |
![Node6 23 $ \color{white} a_s$](https://www.cfdsupport.com/Turbomachinery-CFD-manual/img88.png) | solvent part |
![Node6 24 $ \color{white} a_e$](https://www.cfdsupport.com/Turbomachinery-CFD-manual/img89.png) | extra stress part |