Abstract
In this paper, we explore the possibility of utilizing the recently developed transient viscous flow solver based on the novel space-time conservation element/ solution element (CE/SE) framework for performing computational aeroacoustic simulations. The unique aspects of CE/SE that make it attractive for computational aeroacoust ics are discussed along with the general topology of the framework. Details of the formula tion of the viscous solver are presented, along with a benchmark test case to showcase the v alidation of the developed flow solver. To analyze the capability of the developed flow solver to perform aeroacoustic simulations, a direct simulation of sound generation due to subsonic laminar flow over rectangular cavities is performed. The unique ability of the CE/SE frameworks to allow for the use of triangular meshes for viscous simulations (and thereby for CAA simulations also) is demonstrated through this case. The numerical results and t heir comparison with experimental work, as well as analytical and computational results are presented along with a discussion on the improvements needed. Possible future work is also discussed.
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