![](/sites/default/files/2020-08/IMPRANS.png)
IMPRANS
IMPRANS (RANS Solver for Unsteady Compressible Flows)
Implicit Finite volume nodal point scheme using structured boundary fitted grid. Dual time stepping and Baldwin Lomax turbulence model for 3-D unsteady viscous compressible flows.
Applications to Steady flow simulations, Unsteady flow simulations and Aeroelastic Analysis
TURBULENT FLOW PAST A PITCHING AEROFOIL
![IMPRANS](/sites/default/files/inline-images/IMPRANS1.png)
FLOW AROUND A LIFTING HELICOPTER ROTOR BLADE IN FORWARD FLIGHT
![imprans1 (1)](/sites/default/files/inline-images/imprans1%20%281%29.png)
Pressure fields on upper and lower surface of the rotor blade
![imprans2](/sites/default/files/inline-images/imprans2.png)