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Towards a mathematical theory of fluid turbulence via singular vortex dynamics

Towards a mathematical theory of fluid turbulence via singular vortex dynamics
通过奇异涡动力学研究流体湍流的数学理论
批准号:
21340017
负责人:
SAKAJO Takashi
金额:
$6.24万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (B)
财政年份:
2009
资助国家:
日本
项目状态:
已结题
起止时间:
2009 至 2012

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中文摘要
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英文摘要
It has been pointed out that dissipative weak solutions of the hydrodynamic equations plays an important role in understand the statistical theory of turbulence. But the existence of such a singular solution has not yet proven and its dynamical property is uncertain. In the present project, we successfully obtain a self-similar collapsing solution of α point vortex system. This is a dissipative weak solution of 2D Euler equation, which acquires one of the important properties observed in 2D turbulence.
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会议论文
二次元Euler-α方程式の弱解の特異極限解とその性質
二维Euler-α方程弱解的奇异极限解及其性质
DOI: --
发表时间: 2013
期刊: 京都大学数理解析研究所講究録
影响因子: --
作者: [Mitsuishi Ayato and Yamaguchi, Takao, Masaaki Umehara and Kotaro Yamada, 和田倶幸, 坂上貴之]
通讯作者: 坂上貴之
Anomalous enstrophy dissipation via the self-similar triple collapse of the Euler-alpha point vortices
通过欧拉-α点涡旋的自相似三重塌缩的反常熵耗散
DOI: --
发表时间: 2013
期刊: Nankai Series in Applied Mathematics and Theoretical Physics
影响因子: --
作者: [Mitsuishi Ayato and Yamaguchi, Takao, Shoichi Fujimori, T. Sakajo]
通讯作者: T. Sakajo
DOI: --
发表时间: 2009
期刊: Theoretical and Computational Fluid Dynamics 24
影响因子: --
作者: [Isozaki, Hiroshi, T.Sakajo]
通讯作者: T.Sakajo
流体方程式の特異点形成に関する数学的・数値的研究
流体方程奇点形成的数学和数值研究
DOI: --
发表时间: 2009
期刊:
影响因子: --
作者: [Yamaguchi, Takao, 坂上貴之]
通讯作者: 坂上貴之
17
    Construction of mathematical models for long-term forecast of atmospheric variation by climate time-series
    • 批准号:
      25610028
    • 项目类别:
      Grant-in-Aid for Challenging Exploratory Research
    • 资助金额:
      $2.33万
    • 财政年份:
      2013
    • 负责人:
      SAKAJO Takashi
    • 依托单位:
    海外基金