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Dive into the research topics where Yoshiatsu Oki is active.

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Featured researches published by Yoshiatsu Oki.


International Journal of Computational Fluid Dynamics | 1993

AN APPLICATION OF GSMAC-FEM TO ELECTRICALLY CONDUCTING FLUID FLOWS DRIVEN BY LORENTZ FORCE

Takahiko Tanahashi; Yoshiatsu Oki; Katja Henjes

ABSTRACT A new finite element method for incompressible, electrically conducting fluid flow is presented. This method satisfies the conservation laws of mass, magnetic flux and electric current. The main algorithm of the GSMAC (generalized simplified marker and cell) method is employed in order to satisfy the solenoidal conditions of both magnetic and electric current fields. The flow between two parallel plates, driven by electromagnetic forces are calculated to verify this new method. Numerical results obtained here agree with other numerical results or exact solutions. M-shape axial velocity profiles are clearly simulated by GSMAC—FEM near the electrode between two parallel plates as shown in Figure 1.


Jsme International Journal Series B-fluids and Thermal Engineering | 1996

Numerical analysis of natural convection of thermo-electrically conducting fluids in a square cavity under a uniform magnetic field : Calculated results, frequency characteristics

Yoshiatsu Oki; Takahiko Tanahashi


Jsme International Journal Series B-fluids and Thermal Engineering | 1995

Numerical Analysis of Natural Convection of Thermoelectrically Conducting Fluids in a Square Cavity under a Uniform Magnetic Field : Estimation of Induced Heating Term

Yoshiatsu Oki; Takahiko Tanahashi


38th Aerospace Sciences Meeting and Exhibit | 2000

Numerical simulation of transonic flow past an F-16A aircraft configuration using CASPER

Yoshiatsu Oki; Takeshi Sakata; Naoki Uchiyama; Takeshi Kaiden; Takeshi Andoh


Jsme International Journal Series B-fluids and Thermal Engineering | 1996

New Hybrid-Streamline-Upwind Finite-Element Method in Dual Space : Fundamental Theory and Discrete Del Operator

Takahiko Tanahashi; Yoshiatsu Oki


Jsme International Journal Series B-fluids and Thermal Engineering | 1994

Entrance Flows of Electrically Conducting Fluids between Two Parallel Plates : Transient and Steady Flows

Yoshiatsu Oki; Takahiko Tanahashi


Jsme International Journal Series B-fluids and Thermal Engineering | 2002

Improvement of Drag Prediction for Transonic Transport Aircraft Configuration Using Hybrid Unstructured Navier-Stokes Solver

Yoshiatsu Oki; Takeshi Sakata; Naoki Uchiyama; Takeshi Kaiden


Transactions of the Japan Society of Mechanical Engineers. B | 1992

Entrance Flows of Electrically Conducting Fluids between Two Parallel Plates (Transient and Steady Flows).

Yoshiatsu Oki; Takahiko Tanahashi


日本計算工学会論文集 = Transactions of the Japan Society for Computational Engineering and Science | 2003

Prediction of High-Lift Flows Using Two-Dimensional Navier-Stokes Code with Spalart-Allmaras Turbulence Model and Unstructured Multigrids

Yoshiatsu Oki; Akihisa Masunaga


The Proceedings of Design & Systems Conference | 2001

Multidisciplinary CFD Simulation Related Aircraft at TRDI-JDA

Yoshiatsu Oki; Takeshi Sakata

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Naoki Uchiyama

Mitsubishi Heavy Industries

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Takeshi Kaiden

Mitsubishi Heavy Industries

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Akihisa Masunaga

Mitsubishi Heavy Industries

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Yasushi Ido

Nagoya Institute of Technology

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