Abstract
When developing acoustic and thermal solutions for private and commercial aircraft, extensive time and effort goes into the creation of models to support an optimized package that both delivers results and minimizes weight. Statistical Energy Analysis (SEA) is often used to model aircraft interior sound fields as it becomes applicable in the frequency ranges of interest to most passengers and engineers. This analysis is particularly sensitive to room dimensions and therefore ample research is done to ensure the model is as accurate as possible and historical data from similar aircraft can be used to calibrate the model before use. This takes a considerable amount of time and is often done early in the development stage of the aircraft. So how can one implement this same approach for VIP aircraft where the time to installation is measured in weeks and the aircraft interior is tailor-made making calibration with historical data difficult? This paper looks at ways to optimize the modeling process using symmetry in smaller subsections of the aircraft based on previously calibrated system and material measurements to help greatly reduce model creation time and increase model precision within the VAOne(tm) modeling suite.
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