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Assessment of Rotorcraft Download Using Helios v8

机译：使用Helios v8评估Rotorcraft下载

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Rotorcraft download is an important design consideration for the design of hovering vehicles. High fidelity Computational Fluid Dynamics (CFD) predictions of download are time consuming to compute and the presence of unsteady bluff-body flow shedding over the helicopter fuselage challenges CFD's ability to predict correct drag. This paper investigates the application of HPCMP CREATE™-AV Helios Version 8 for download prediction. In particular the application of the automated runtime strand mesh generation that is a new feature of the mStrand solver in Hv8 is investigated and compared to results obtained with the Unstructured FUN3D and Structured curvilinear OVERFLOW solvers that have been used for download calculations in the past. Results are presented for the JVX model-test which includes both isolated rotor calculations as well as rotor/wing interactions.
机译：旋翼飞机下载是悬停飞行器设计的重要设计考虑因素。下载的高保真计算流体力学（CFD）预测非常耗时，并且直升机机身上不稳定的钝体流脱落的存在对CFD预测正确阻力的能力提出了挑战。本文研究了HPCMP CREATE™-AV Helios版本8在下载预测中的应用。特别是，研究了Hv8中mStrand求解器的新功能自动运行时股线网格生成的应用程序，并将其与过去用于下载计算的非结构化FUN3D和结构化曲线OVERFLOW求解器获得的结果进行了比较。给出了JVX模型测试的结果，该结果包括隔离的旋翼计算以及旋翼/机翼相互作用。

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