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Generic method for aero-optic evaluations.

Eugene Frumker¹, Offer Pade

¹Optics Group, Department of Electro-Optics, RAFAEL, P.O. Box 2250, Haifa 31021, Israel. eugene.frumker@weizmann.ac.il

|June 9, 2004

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This study presents a new method for calculating aero-optic effects in airborne systems. It integrates computational fluid dynamics data into optical system simulations for improved performance analysis.

Area of Science:

Aerospace Engineering
Optical Physics
Computational Science

Background:

Aerodynamic flow significantly impacts airborne optical system performance.
Accurate aero-optic calculations are crucial for developing advanced electro-optic systems.
Existing methods may lack flexibility in handling complex fluid dynamics data.

Purpose of the Study:

To introduce a novel technique for aero-optic calculations.
To enable seamless integration of computational fluid dynamics (CFD) data into optical simulations.
To provide a versatile method applicable to various software outputs.

Main Methods:

Leveraging commercially available software for aero-optic calculations.
Transforming CFD-derived optically relevant data into an index-of-refraction field.

Related Experiment Videos

Utilizing the modified quadratic Shepard method for data interpolation from discrete, non-uniform grid points.

Main Results:

Demonstrated a technique for incorporating discrete CFD data into optical codes.
Showcased the adaptability of the method through several numerical simulations.
Validated the effectiveness of the modified quadratic Shepard interpolation for aero-optic analysis.

Conclusions:

The presented technique offers a flexible and general approach to aero-optic calculations.
This method simplifies the interface between CFD results and optical simulation software.
The technique is essential for the accurate performance prediction of airborne electro-optic systems.