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1994 Fiscal Year Final Research Report Summary

NONLINEAR LARGE SCALE COMPUTATION AND ITS VISUALIZATION

Research Project

Project/Area Number 04554001
Research Category

Grant-in-Aid for Developmental Scientific Research (B)

Allocation TypeSingle-year Grants
Research Field General mathematics (including Probability theory/Statistical mathematics)
Research InstitutionNIHON UNIVERSITY (1993-1994)
The University of Electro-Communications (1992)

Principal Investigator

NAKAMURA Masaaki  NIHON UNIVERSITY,COLLEGE OF SCIENCE AND TECHNOLOGY,ASSOCIATE PROFESSOR, 理工学部, 助教授 (00017419)

Co-Investigator(Kenkyū-buntansha) MORIMOTO Hiroko  MEIJI UNIV.SCHOOL OF SCIENCE AND TECHNOLOGY,PROFESSOR, 理工学部, 教授 (50061974)
NATORI Makoto  UNIV.OF TSUKUBA,INST.OF INFORMATION AND ELECTRONICS,PROFESSOR, 電子情報系, 教授 (70013745)
WATANABE Jiro  UNIV.OF ELECTOR-COMMUNICATIONS,FACULTY OF ELECTOR-COMMUNICATIONS,PROFESSOR, 電気通信学部, 教授 (90011535)
KAWARADA Hideo  UNIV.OF CHIBA,FACULTY OF ENGINEERING, 工学部, 教授 (90010793)
FUJITA Hiroshi  MEIJI UNIV.SCHOOL OF SCIENCE AND TECHNOLOGY,PROFESSOR, 理工学部, 教授 (80011427)
Project Period (FY) 1992 – 1994
KeywordsMagneto-hydrodynamic fluid / Navier-Stokes equation / Free boundary / Stefan problem / Charge simulation method / Bifurcation / Bi-CGSTAB / Fictitious domain method
Research Abstract

We obtain the following results.
1. Applied analysis of nonlinear systems. (1) Analysis of attractors of simplified magnetic benard system (H.Imai, Nakamura) (2) Mathematical formulation of systems of viscous fluid with friction type boundary conditions by variational inequalities (Fujita, Kawarada). (3) Analysis do Navier-Stokes equations with non-vanishing outflow condition (Morimoto). (4) Analysis of shape design problem by the fuzzy method (Natori, T.Hanada, et.al).
2. Numerical analysis of the evolution systems. (1) Numerical simulation of simplified magnetic Benard system (Imai, Nakamura). (2) Numerical analysis of various perfect flows (H.Okamoto, M.Shoji). (3) Numerical analysis of evolution equation (Y.Chen). (4) Numerical analysis of Stefan problem (Hanada). (4) Numerical analysis of Stefan problem (Hanada).
3. Development of Computational algorithm (1) Algorithm of charge simulation method (M.Katsurada, Okamoto). (2) Nonlinear computation algorithm by spectral method (Imai). (3) Algorithm of visualization (Imai).

  • Research Products

    (57 results)

All Other

All Publications (57 results)

  • [Publications] H.Imai,N.Ishimura,M.Nakamura: "Convergence of attractors for the simplified magnctic Benard equtations" European J of Applied Mathematics. (to appear).

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] N.Ishimura-M.Nakamura: "On the simplified magnetic Benard system" Advances in Mathematical Scienced and Applications. 3. 241-247 (1994)

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      「研究成果報告書概要(和文)」より
  • [Publications] H.Okamoto: "A uniqueness theorem for the unbad classical solutions of the non stationary Navier-Stobes equations in lR^3" J.Math.Anal.Appl.181. 473-482 (1994)

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  • [Publications] M.Fukuda,H.Imai H.Kawarada: "Numerical simulation of the plug flow appearing in the Bingham fluid" Advanes in Mathematical Sciences and Applications. 4. 227-239 (1994)

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  • [Publications] 周偉束・今井仁司・名取亮: "自由表現を有する熱対流の数値シミュレーションと線形安定性解析" 日本応用数理学会論文誌. 4. 27-40 (1994)

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  • [Publications] H.Morimoto: "Remarsk on exact solutions to the Navier-Stokes eq. under some slip boundary condition" Memoirs of Inst.of Sci.and Tech.Meij. Univ.(to appear).

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  • [Publications] H.Okamoto and M.Shoji: "Two dimensional,jeriodic,capillary geavity waves with negative surtace Tension" Proc.IUTAM Cont.Structure and Dynamics of Nonlincar Waves with Fluids. (to appear).

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  • [Publications] H.Okamoto and M.Shoji: "Periodic progressive water waves on 2D rotational/irrotational flow" Proc.of the Second Japan China Seminar on Num.Math.(to appear).

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  • [Publications] M.Katsurada: "Charge simulation method using exteriur mapping fanctions" Japan J.of Industrial and Applical Math.11. 47-61 (1994)

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  • [Publications] U.Chen: "A stable ditterence scheme for computing mution of level surface by. the mean curvature" Proc.of GARC,Pure and Appl.Math.1. 1-19 (1994)

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  • [Publications] U.chen,T.Suzuki & S.Nakane: "Elliptic eguations on two-dimensional symmetric domains" Local protile of mild solutions. (to appear).

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  • [Publications] H.Imai: "Application of the Fuzzy and Spectral Collocation Methods to a III-Pased Shape Design Problem with a free boundary" "Inverse Problems in Mechanics" The American Society of Meth. Eng.186. 103-107 (1994)

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  • [Publications] H.Okamoto-M,Shoji.: "Remarks on the bifurcation of progressive waves of finite depth" Publ.R.I.M.S.Kyoto. Univ. 30. 611-640 (1994)

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  • [Publications] 岡本 久: "定常表面張力波について" ながれ. 13. 184-195 (1994)

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  • [Publications] M.Shoji-H.Okamoto: "Secondary and tertlary bifurcations of capillay gravity waves" Adv.Math Sci.Appl.(to appear).

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  • [Publications] S.Kizu,A.Nishiyama J.Watanabe: "Convergence of solutions of nonlinear eigenvalue problems" Adv.Math.Sci.Appl.3. 353-366 (1994)

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  • [Publications] H.Imai,Y.Shinohara & T.Miyakoda: "Appelication of spectral collocation methods in space and time of free boundary problems" (to appear).

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  • [Publications] 今井仁司: "時間積分におけるスペクトル選点法の有効性について" 統計数理研究所共同リポート. 55. 185-190 (1994)

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  • [Publications] Y.Nakama: "Exact Computational Procedure for Fluid Flow with Fue Boundary Conditions" WCCM III. II. 13-20 (1994)

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  • [Publications] 渡辺二郎: "変分問題における汎関数列の収束について" 篠原能材教授還暦記念論文集. (to appear).

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  • [Publications] H.Morimoto: "Remarks on exact solations to the Navier-Stokes equations under some slip boundary condition" Memoirs of the Institute of Sciece and Technolosy, Meiji univ.(to appear).

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      「研究成果報告書概要(和文)」より
  • [Publications] H.Okamoto: "A uniqueness theorem for the imbounded classical sotution of the nonstationary Navier-Stokes equations in IR^3" J.Math.Anal.Appl.181. 473-482 (1994)

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  • [Publications] H.Okamoto: "A variational problem arising in the two dimensional Navier-Stokes lquations with vanishing viscosity" Appl.Math.Lett.7. 29-33 (1994)

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  • [Publications] M.Katsurada and H.Okamoto: "On the collocation points of the fundamental solution method for the potential problem" Int.J.Comp.Math.Appl.(to appear).

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  • [Publications] H.Kawarada,H.Imai,A.Sasamoto & R.Natori: "An application of Fuzzy Theory for an Ill-Posed Problem" Inverse Ploblems in Enyineering Mechanics. 31-38

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  • [Publications] 腰越秀之,河原田秀夫 笹本明: "Signorini型境界条件の超伝導現象への応用" 京大数理解析研究所講究録. 891. 1-9 (1994)

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  • [Publications] 河原田秀夫,藤田宏 川原仁: "Distribution theoretic approach to fictitious domain method for Neumam problems" 京大数理解析研究所講究録. 891. 10-40 (1994)

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  • [Publications] 高侖山,田宮稔士 河原田秀夫: "ファジィ平均の提案" 京大数理解析研究所講究録. 891. 168-179 (1994)

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  • [Publications] 田宮稔士,高侖山,河原田秀夫,宮武悟,北川孟: "精錬炉における非定常信号問題の扱いについての一考察" 京大数理解析研究所講究録. 891. 180-185 (1994)

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  • [Publications] 花田孝郎・今井仁司: "凝固現象における数値解析" 京大・数理研講究録. 891. 64-69 (1995)

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  • [Publications] 室屋泰三・花田・渡辺: "CTスキャナにおける再構成計算の誤差評価" 京大・数理研講究録. 891. 205-217 (1995)

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  • [Publications] 東海林まゆみ: "進行波解-渦あり流れと渦なし流れ" 京大・数理研・講究録. 891. 54-61 (1995)

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  • [Publications] 陳・儀我美一,・佐藤剛: "Solwtions to a singular diffusion equation" 京大・数理研・講究録. 891. 157-167 (1995)

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  • [Publications] 桂田祐史: "代用電荷法のプログラム" 京大・数理研・講究録. 891. 196-204 (1995)

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  • [Publications] H.Kawarada & H.Koshizoe: "The behavior of free surfaces appearing in flow problems" Ritman Research Notes in Mathematics Series. 282. 161-165 (1994)

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  • [Publications] 竹沢 照: "Fortran I基礎" 共立出版, (1995)

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  • [Publications] 藤井宏-岡本久: "非線型力学(岩波講座「応用数学」)" 岩波書店(印刷中),

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  • [Publications] 陳蘊剛-儀我美一: "動く曲面を追いかけて" 日本評論社(印刷中),

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  • [Publications] H.Fujita: "Flow problems with unilateral boundary conditions" Lecons, College de France. (1993)

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  • [Publications] H.Fujita: "A mathematical analysis of motions of viscous incompressible fluid under leak or slip boundary conditions, RIMS Kokyuroku 888, Kyoto University" Proc.of Conference on Mathematical Fluid Dynamics and Modeling held on May 30-June 2,1994 at Research Institute of Mathematical Science, Kyoto University. 199-216 (1994)

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  • [Publications] H.Kawarada, H.Kawahara and H.Fujita: "Fictitious domain method via singular perturbation and its application to flow problems with unilateral boundary conditions" to appear in East-West J.of Numer.Math.

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  • [Publications] H.Fujita, H.Kawarada, and A.Sasamoto: "Analytical and numerical approaches to stationary flow problems with leak and slip boundary conditions" to appear in Proc. of 2nd Japan-China Joint Seminar on Numerical Mathematics held on August 22-26,1994, Chofu, Japan.

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  • [Publications] H.Fujita: "An analysis of stationary motion of viscous incompressible fluid under leak boundary conditions of friction type" to be presented as an invited talk at AMCA-95 Novoshivirisk, Russia, June. (1995)

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  • [Publications] Hisashi Okamoto, Mayumi Shoji and Masashi Katsurada: "A computer-assisted analysis of the two dimensional Navier-Stokes equations" Springer lecture notes in Math.1540. 309-317 (1993)

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  • [Publications] Masashi Katsurada: "Charge simulation method using exterior mapping functions" Japan journal of industrial and applied mathematics. Vol.11 No.1. 47-61 (1994)

    • Description
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  • [Publications] Hitoshi Imai, Naoyuki Ishimura and Masa Aki Nakamura: "Convergence of attractors for the simplified magnetic Benard equations" to appear in European Journal of Applied Mathematics.

    • Description
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  • [Publications] Naoyuki Ishimura and Masa Aki Nakamura: "On the simplified magnetic Benard system : Dimension estimate of the attractor" Advances in Mathematical Sciences and Applications. vol.3, No.1. 241-247 (1994)

    • Description
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  • [Publications] Masa Aki Nakamura: "Regularity and Analyticity of the Solution of the Magnetic Benard Problem" Advances in Mathematical Sciences and Applications. vol.2, no.1. 117-137 (1993)

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  • [Publications] Masa Aki Nakamura: "On the magnetic Benard problem II,J.Fac.Sci.Univ.Tokyo, Sec IA" Vol.39 no.3. 525-540 (1992)

    • Description
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  • [Publications] Hitoshi Imai and Masa Aki Nakamura: "On the bifurcation diagram of the simplified magnetic Benard problem" Unstable and Turbulent Motion of Fluid, (S.Kida, ed.), World Scientific, Singapore. 71-78 (1993)

    • Description
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  • [Publications] Hitoshi Imai, Naoyuki Ishimura and Masa Aki Nakamura: "Upper semicontinuity of attractors for the simplified Magnetic Benard equations" International Symposium on Methods and applications of Analysis, Institute of Mathematical Science, Chinese University of Hong Kong and City Polytechnique of Hong Kong, Hong Kong. (1994)

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  • [Publications] Hitoshi Imai, Naoyuki Ishimura and Masa Aki Nakamura: "Magnetic Benard system and its simplified model" Proceedings of the second Japan-China, joint seminar on numerical mathematics, University of Electro-Communications. (1994)

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  • [Publications] Hitoshi Imai and Masa Aki Nakamura: "On the bifurcation diagram of the simplified magnetic Benard problem" RIMS research Project 1992 on "Analysis of the nonlinear phenomena and its applications", Kyoto University, Kyoto, Japan. (1992)

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  • [Publications] Hitoshi Imai and Masa Aki Nakamura: "Numerical Analysis of the simplified Magnetic Benard Problem" The international symposium, Nonlinear Mathematical Problems in Industry, Iwaki Meisei University, Iwaki, Japan. (1992)

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  • [Publications] Hitoshi Imai Naoyuki Ishimura and Masa Aki Nakamura: "Estimate on the Hausdorff dimension of the global attractor for the simplified magnetic Benard system" the international symposium, Nonlinear Mathematical Problems in Industry, Iwaki Meisei University, Iwaki, Japan. (1992)

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  • [Publications] Hitoshi Imai and Masa Aki Nakamura: Numerical Analysis of the Simplified Magnetic Benard Problem, Nonlinear mathematical problems in industry II. (H.Kawarada, N.Kenmochi and N.Yanagihara, eds.), Mathematical Sciences and Applications vol.2, Gakko Tosho, Tokyo, 405-419 (1993)

    • Description
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  • [Publications] Naoyuki Ishimura and Masa Aki Nakamura: Estimate on the Hausdorff dimension of the global attractor for the simplified magnetic Benard system. (H.Kawarada, N.Kenmochi and N.Yanagihara, eds.), Mathematical Sciences and Applications vol.2, Gakko Tosho, Tokyo, 421-430 (1993)

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Published: 1999-03-09  

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