Výsledky vyhledávání - "Kazuhiro Nakahashi"

Akademický článek

A Hybrid Scheme for the Near Wall Treatment of Building Cube Method

Autor: Xinrong SU, Daisuke SASAKI, Kazuhiro NAKAHASHI

Publikováno v: Journal of Fluid Science and Technology, Vol 7, Iss 2, Pp 197-208 (2012)

In this paper we explore a new hybrid method for the near wall treatment of viscous computation with block structured Cartesian mesh. Cloud of points are generated to resolve the near wall boundary layer and most of the points are distributed on one-

Externí odkaz: https://doaj.org/article/59b242e84e26455a80ce07f0eaacb5f6

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Akademický článek

Cartesian Mesh Linearized Euler Equations Solver for Aeroacoustic Problems around Full Aircraft

Autor: Yuma Fukushima, Daisuke Sasaki, Kazuhiro Nakahashi

Publikováno v: International Journal of Aerospace Engineering, Vol 2015 (2015)

The linearized Euler equations (LEEs) solver for aeroacoustic problems has been developed on block-structured Cartesian mesh to address complex geometry. Taking advantage of the benefits of Cartesian mesh, we employ high-order schemes for spatial der

Externí odkaz: https://doaj.org/article/39d8e39dc0a14158988353a24dc5015e

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Akademický článek

Extending the Building Cube Method to Curvilinear Mesh with Adaptive Mesh Refinement

Autor: Xinrong SU, Satoru YAMAMOTO, Kazuhiro NAKAHASHI

Publikováno v: Journal of Fluid Science and Technology, Vol 9, Iss 5, Pp JFST0074-JFST0074 (2014)

Building Cube Method (BCM) adopts block-structured Cartesian mesh and finer resolution can be used where the flow contains detailed flow structures. This paper reports the recent progress in extending BCM to curvilinear body-fitted mesh with Adaptive

Externí odkaz: https://doaj.org/article/059caa866bfd42e6b9e0213d3c7e2842

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Akademický článek

Landing Gear Aerodynamic Noise Prediction Using Building-Cube Method

Autor: Daisuke Sasaki, Deguchi Akihito, Hiroshi Onda, Kazuhiro Nakahashi

Publikováno v: Modelling and Simulation in Engineering, Vol 2012 (2012)

Landing gear noise prediction method is developed using Building-Cube Method (BCM). The BCM is a multiblock-structured Cartesian mesh flow solver, which aims to enable practical large-scale computation. The computational domain is composed of assembl

Externí odkaz: https://doaj.org/article/2f2cba759b3d423790581a3f00749714

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Akademický článek

Aerodynamic Optimization of an Over-the-Wing-Nacelle-Mount Configuration

Autor: Daisuke Sasaki, Kazuhiro Nakahashi

Publikováno v: Modelling and Simulation in Engineering, Vol 2011 (2011)

An over-the-wing-nacelle-mount airplane configuration is known to prevent the noise propagation from jet engines toward ground. However, the configuration is assumed to have low aerodynamic efficiency due to the aerodynamic interference effect betwee

Externí odkaz: https://doaj.org/article/f3eb4995e13742c4bf0302f887a65c7c

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