Transactions of the Japan Society for Industrial and Applied Mathematics

Online ISSN : 2424-0982
ISSN-L : 0917-2246

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Volume 6, Issue 2

Displaying 1-8 of 8 articles from this issue

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[title in Japanese]

Article type: Cover
1996 Volume 6 Issue 2 Pages Cover1-
Published: June 15, 1996
Released on J-STAGE: April 08, 2017

DOIhttps://doi.org/10.11540/jsiamt.6.2_Cover1

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[title in Japanese]

Article type: Cover
1996 Volume 6 Issue 2 Pages Cover2-
Published: June 15, 1996
Released on J-STAGE: April 08, 2017

DOIhttps://doi.org/10.11540/jsiamt.6.2_Cover2

JOURNAL FREE ACCESS

Download PDF (22K)
[title in Japanese]

[in Japanese]

Article type: Article
1996 Volume 6 Issue 2 Pages i-
Published: June 15, 1996
Released on J-STAGE: April 08, 2017

DOIhttps://doi.org/10.11540/jsiamt.6.2_i

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Application of Mathematical Approaches to the Analyses of Results of Computational Fluid Dynamics : Application to the Numerical Study of Mixing Process in a Mildly Curved Duct

Itaru Hataue

Article type: Article
1996 Volume 6 Issue 2 Pages 159-172
Published: June 15, 1996
Released on J-STAGE: April 08, 2017

DOIhttps://doi.org/10.11540/jsiamt.6.2_159

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The objective of this paper is to test the effectiveness of the mathematical approaches in analyzing the physical property of the computational results of the complicated fluid fields. Estimation of the approximate generalized dimension of attractors reconstructed from the time series data and the wavelet analyses and so on are considered. The model adopted in this paper is the nonlinear phenomena of instability in the mixing process of two parallel streams in a mildly curved duct. Harten type second order TVD(Total Variation Diminishing)scheme and DD-ADI efficient implicit scheme are applied. The difference of the unsteady structure between two types of configuration, the stabilizing one and the destabilizing one, were clearly analyzed by using some mathematical approaches quantitatively and qualitatively.

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Directive method for a polynomial of 3 degree with real coefficients

Eiji Nunohiro, Masashi Suga, Sugayasu Hirano

Article type: Article
1996 Volume 6 Issue 2 Pages 173-190
Published: June 15, 1996
Released on J-STAGE: April 08, 2017

DOIhttps://doi.org/10.11540/jsiamt.6.2_173

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The Cardano method that is evaluated in numerical analysis in general covers equations having complex coefficients. But major numerical computations of practical programs contain equations having real coefficients, and there is an increase in the requirement for high speed computation of programs containing such equations. In this paper, we propose a new method for improving the approximation of numerical solutions and for speeding up the computation by applying a deflation of degree to the Cardano method and modifying it to handle real coefficients.

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[title in Japanese]

Article type: Appendix
1996 Volume 6 Issue 2 Pages App1-
Published: June 15, 1996
Released on J-STAGE: April 08, 2017

DOIhttps://doi.org/10.11540/jsiamt.6.2_App1

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[title in Japanese]

Article type: Cover
1996 Volume 6 Issue 2 Pages Cover3-
Published: June 15, 1996
Released on J-STAGE: April 08, 2017

DOIhttps://doi.org/10.11540/jsiamt.6.2_Cover3

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Download PDF (19K)
[title in Japanese]

Article type: Cover
1996 Volume 6 Issue 2 Pages Cover4-
Published: June 15, 1996
Released on J-STAGE: April 08, 2017

DOIhttps://doi.org/10.11540/jsiamt.6.2_Cover4

JOURNAL FREE ACCESS

Download PDF (19K)

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