Search Results 1-18 of 18

  • Spectrum of Passive Scalar at Very High Schmidt Number in Turbulence

    GOTOH Toshiyuki , WATANABE Takeshi , MIURA Hideaki

    … A hybrid code which uses the spectral method for an incompressible fluid and the combined compact finite difference method for passive scalar is developed and applied to compute the spectrum of the passive scalar variance in turbulence at very high Schmidt numbers up to 1000. …

    Plasma and Fusion Research 9(0), 3401019-3401019, 2015

    J-STAGE 

  • Discrete Variational Derivative Method Based on the Compact Finite Differences(Theory)  [in Japanese]

    Kanazawa Hiroki , Matsuo Takayasu , Yaguchi Takaharu

    … On the other hand, in the field of computational fluid dynamics, a special difference method, called "compact difference method," … In this paper, it is shown that the two methods can be combined, i.e., the compact difference method can be incorporated into a structure-preserving method, "the discrete variational derivative method," …

    Transactions of the Japan Society for Industrial and Applied Mathematics 23(2), 203-232, 2013

    J-STAGE  References (19)

  • Dependence on the Aspect Ratio of Streamline Patterns in Three-Dimensional Cavity Flows

    ISHII Katsuya , ADACHI Shizuko

    … A combined compact finite difference scheme with high accuracy and high resolution is used to evaluate spatial derivatives in the governing equations. …

    Theoretical and Applied Mechanics Japan 60(0), 51-61, 2012

    J-STAGE 

  • A conservative compact finite difference scheme for the KdV equation

    Kanazawa Hiroki , Matsuo Takayasu , Yaguchi Takaharu

    … In this integrator, two independent structure-preserving techniques are newly combined; … for constructing invariants-preserving integrator, and the “compact finite difference method” …

    JSIAM Letters 4(0), 5-8, 2012

    J-STAGE  Cited by (1)

  • Dependence on the aspect ratio of streamline patterns in three-dimensional cavity flows  [in Japanese]

    ISHII Katsuya , ADACHI Shizuko

    … The MAC method is used in solving the governing three-dimensional incompressible Navier-Stokes equations, and a combined compact finite difference scheme with high accuracy and high resolution is adopted. …

    NCTAM papers, National Congress of Theoretical and Applied Mechanics, Japan 60(0), 260-260, 2011

    J-STAGE 

  • Application of fourth-order compact schemes and third-order symplectic time integration methods  [in Japanese]

    Iwatsu Reima , Okumura Jin , Tsuru Hideo

    … We consider an application of 4-th order compact staggered finite difference schemes and 3-rd order symplectic integration methods for the linear wave equation. … It have been known since the publication of Lele's paper that there are 4-th order compact schemes which have higher resolution efficiency than the 6-th order compact schemes. …

    NCTAM papers, National Congress of Theoretical and Applied Mechanics, Japan 60(0), 254-254, 2011

    J-STAGE 

  • Transition of Streamline Patterns in Three-Dimensional Cavity Flows

    ISHII Katsuya , ADACHI Shizuko

    … A combined compact finite difference scheme with high accuracy and high resolution is adopted to calculate derivatives in the equations. …

    Theoretical and Applied Mechanics Japan (59), 203-210, 2011

    J-STAGE 

  • Transition of streamline patterns in three-dimensional cavity flows  [in Japanese]

    ISHII Katsuya , ADACHI Shizuko

    … The Marker-and-Cell method is used in solving the governing three-dimensional incompressible Navier-Stokes equations, and a combined compact finite difference scheme with high accuracy and high resolution is adopted to obtain derivatives in the equations. …

    NCTAM papers, National Congress of Theoretical and Applied Mechanics, Japan 59(0), 85-85, 2010

    J-STAGE 

  • Streamlines of the flow in a square cavity with a large span  [in Japanese]

    Ishii Katsuya , Adachi Shizuko

    … We used a combined compact finite difference scheme with high accuracy and high resolution. …

    日本流体力学会年会講演論文集 2010, 237, 2010

    NDL Digital Collections 

  • Pressure Effects on Temperature Distribution during Spark Plasma Sintering with Graphite Sample

    GRASSO Salvatore , SAKKA Yoshio , MAIZZA Giovanni

    Combined experimental and numerical results showed that the peak temperature and the temperature difference existing between the sample and the die outer surface progressively decreased with increasing of applied pressure from 5 to 80 MPa. …

    MATERIALS TRANSACTIONS 50(8), 2111-2114, 2009-08-01

    J-STAGE  References (16)

  • Consideration of Combined Analysis of Boundary Integral and finite difference method  [in Japanese]

    TSURU Hideo , SATAKE Yasushi

    Proceedings of the conference on computational engineering and science 13(1), 165-168, 2008-05-19

    References (7)

  • Stability of Combined Compact Difference Schemes with various Boundary Conditions  [in Japanese]

    Matsuoka Kazuya , Ishii Katsuya

    … There are the Compact Difference (CD) scheme and the Combined Compact Difference (CCD) scheme as a high-resolution finite difference method. …

    NCTAM papers, National Congress of Theoretical and Applied Mechanics, Japan 57(0), 209-209, 2008

    J-STAGE 

  • Combined Compact Difference Scheme for the Grid System in Which the Boundary is Located between Regular GRID Points

    MATSUOKA Kazuya , ISHII Katsuya

    … We propose a Combined Compact Difference (CCD) scheme for the grid system in which the boundary is located between regular grid points. … The finite difference representation of the 1-D equation consists of the CCD scheme for the spatial derivatives and the 4th Runge-Kutta method for the time marching. …

    Theoretical and Applied Mechanics Japan 56(0), 471-480, 2008

    J-STAGE 

  • Streamlines in 3D lid-driven cavity flows with large spanwise aspect ratios  [in Japanese]

    石井 克哉 , 二瓶 友典 , 安達 静子 , Ishii Katsuya , Nihei Tomonori , Adachi Shizuko

    … Streamlines in the incompressible vortical flows in three-dimensional lid-driven cavities at the Reynolds number Re = 850 are numerically studied using a Combined Compact finite Difference (CCD) scheme with high accuracy and high resolution. …

    宇宙航空研究開発機構特別資料: 境界層遷移の解明と制御研究会講演論文集 第37回・第38回 = JAXA Special Publication: Proceedings of the 37th and 38th JAXA Workshops on Investigation and Control of Boundary-Layer Transition (JAXA-SP-06-013), 5-8, 2007-02-23

    IR 

  • Stability Analysis of Combined Compact Difference Method

    MATSUOKA Kazuya , ISHII Katsuya

    … We investigate the stability of a numerical method using the Combined Compact Difference (sp-CCD) method with spectral-like resolution for a 1-D advection diffusion problem. … The finite difference representation of the equation consists of the sp-CCD method for the spatial derivatives and the Runge-Kutta (RK) method for the time marching. …

    Theoretical and Applied Mechanics Japan (55), 239-246, 2006

    J-STAGE 

  • 638 Numerical accuracy of the CIP scheme and the IDO scheme  [in Japanese]

    IMAI Yohsuke , Aoki Takayuki

    … We show that the CIP scheme and the IDO scheme can resolve higher wavenumber than the sixth-order Finite Difference (FD) scheme, the fourth-order Compact Difference (CD) scheme, and the sixth-order Combined CD (CCD) scheme for the advection equation. …

    The proceedings of the JSME annual meeting 2005.1(0), 101-102, 2005

    J-STAGE 

  • Parallelization of a Highly Accurate Finite Difference Scheme for Fluid Flow Calculations

    NIHEI Tomonori , ISHII Katsuya

    … The combined compact difference (CCD) scheme proposed by the authors has high accuracy with comparatively low computational cost and it is promising for large scale computation with high accuracy. …

    Theoretical and Applied Mechanics Japan (52), 71-81, 2003

    J-STAGE 

  • Numerical Study of Flow and Thrust Produced by Heaving and Combined Oscillations of 2D Hydrofoil

    Videv Todor A. , Doi Yasuaki , Mori Kazu-hiro

    … An implicit numerical algorithm and a compact finite difference scheme are employed. … From a propulsive point of view, the combined pitching and heaving motion with a shifted phase of pitching is the most effective one. …

    Journal of the Society of Naval Architects of Japan 1993(174), 55-70, 1993

    J-STAGE  NDL Digital Collections 

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