error while solving external aerodynamics
 

Hi all,

I am trying to solve a external aerodynamics problem. Total number of cells are 4.35 million. Mesh size on car exterior surface is 20mm and on the fulid outer domain (100mm). Inlet speed of air is 97.3m/s. Domain size is 0.5L - infront of the car (L - total length of car) 2.5L - rear of the car (L - total length of car) 1W - side of the car (W - toal width of the car) 3H - along height of car ( H - total height of car) I am using Spallart Almaras 1 eqn turbulence model.

On 21st iteration, the following error is displayed.

error: greater than: invalid argument(2): wrong type

not a number error object : nan

Any clue as what is causing this error and what the error indicates.

Thanks

Praveenreddy