This data setup is used to define the initial velocity field over the domain.
The values are arbitrary chosen.
&Velocity_Initialization I_Velocity_Reference_Value = 1.0 , J_Velocity_Reference_Value = 0.0 , K_Velocity_Reference_Value = 0.0 , Initial_Field_Option_For_Velocity_I = 0 , Initial_Field_Option_For_Velocity_J = 0 , Initial_Field_Option_For_Velocity_K = 0, White_Noise_Magnitude_For_Velocity_I= 0.0 , White_Noise_Magnitude_For_Velocity_J= 0.0 , White_Noise_Magnitude_For_Velocity_K= 0.0 /