# GeneralFlowEnvironment¶

class acoular.environments.GeneralFlowEnvironment

An acoustic environment with a generic flow field.

This class provides the facilities to calculate the travel time (distances) between grid point locations and microphone locations in a generic flow field with non-uniform velocities that depend on the location. The algorithm for the calculation uses a ray-tracing approach that bases on rays cast from every microphone position in multiple directions and traced backwards in time. The result is interpolated within a tetrahedal grid spanned between these rays.

ff = Trait(FlowField, desc="flow field")

The flow field, must be of type FlowField.

N = Int(200, desc="number of rays per Om")

Number of rays used per solid angle $$\Omega$$, defaults to 200.

Om = Float(pi, desc="maximum solid angle")

The maximum solid angle used in the algorithm, defaults to $$\pi$$.