Unified formulation for stationary polytropes with stellar winds and development of a numerical scheme to obtain their structures
具有恒星风的固定多变体的统一公式以及开发数值方案以获得其结构
基本信息
- 批准号:20540225
- 负责人:
- 金额:$ 2.66万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (C)
- 财政年份:2008
- 资助国家:日本
- 起止时间:2008 至 2010
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
We have found a new formulation in which axisymmetric and stationary states of barotropic stars with magnetic fields are easily handled. This has been done by considering the integrability condition among the basic equations. This integrability condition results in the general form for the current density. By applying this formulation we have developed a numerical scheme that could be used to obtain many stationary configurations with magnetic fields which are found by this scheme for the firt time in the world. At the same time, this formulation could be applied to obtain stellar wind solutions which have not been fully analyzed yet. By using this scheme, completely new analytic solutions for triaxial configurations and prolate ellipsoidal stationary structures have also been obtained..
我们发现了一个新的公式,在这个公式中,带磁场的正压星的轴对称和定态很容易处理。这是通过考虑基本方程之间的可积性条件来实现的。这种可积性条件导致了电流密度的一般形式。通过应用这一公式,我们发展了一种数值格式,可以用来获得世界上第一次用这种格式发现的具有磁场的许多静止组态。同时,该公式还可以应用于尚未得到充分分析的恒星风解。利用该格式,还得到了三轴构型和长椭球定常结构的全新解析解。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Stationary and axisymmetric configurations of compact stars with extremely strong and highly localized magnetic fields
具有极强且高度局域化磁场的致密星的静止和轴对称结构
- DOI:
- 发表时间:2010
- 期刊:
- 影响因子:0
- 作者:K Fujisawa;S-i Yoshida;Y Eriguchi
- 通讯作者:Y Eriguchi
Equilibrium states of magnetized toroid-central object systems
磁化环形中心物体系统的平衡态
- DOI:
- 发表时间:2009
- 期刊:
- 影响因子:0
- 作者:J.Otani;R.Takahashi;Y.Eriguchi
- 通讯作者:Y.Eriguchi
Differentially-rotating neutron star models with a parametrized rotation profile
具有参数化旋转剖面的差动旋转中子星模型
- DOI:
- 发表时间:2011
- 期刊:
- 影响因子:0
- 作者:F.Galeazzi;S-i.Yoshida;Y.Eriguchi
- 通讯作者:Y.Eriguchi
中心天体とその周囲の磁場を伴う高密度なトーラスの定常的な構造
具有中心体和周围磁场的致密环面的稳定结构
- DOI:
- 发表时间:2010
- 期刊:
- 影响因子:0
- 作者:藤澤幸太郎;大谷潤;高橋労太;吉田至順;江里口良治
- 通讯作者:江里口良治
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ERIGUCHI Yoshiharu其他文献
ERIGUCHI Yoshiharu的其他文献
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{{ truncateString('ERIGUCHI Yoshiharu', 18)}}的其他基金
Development of numerical scheme for equilibrium structures and their stability analysis of strongly magnetized rotating stars
强磁化旋转星平衡结构数值方案的开发及其稳定性分析
- 批准号:
16540235 - 财政年份:2004
- 资助金额:
$ 2.66万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
R-mode oscillations of general relarivistic and rapidly rotating stars by the Cowling approximation
通过考林近似计算广义相对论和快速旋转恒星的 R 模式振荡
- 批准号:
14540244 - 财政年份:2002
- 资助金额:
$ 2.66万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
General relativistic numerical scheme for quasi equilibrium states of irrotational binary neutron star systems
无旋双中子星系统准平衡态的广义相对论数值格式
- 批准号:
12640255 - 财政年份:2000
- 资助金额:
$ 2.66万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Study on Dynamical Evolution of Dense Stellar Systems with Special Purpose Computers.
用专用计算机研究稠密恒星系统的动力学演化。
- 批准号:
03044032 - 财政年份:1991
- 资助金额:
$ 2.66万 - 项目类别:
Grant-in-Aid for international Scientific Research
Study on the Stability of Rapidly Rotating Stars
快速旋转恒星的稳定性研究
- 批准号:
02640198 - 财政年份:1990
- 资助金额:
$ 2.66万 - 项目类别:
Grant-in-Aid for General Scientific Research (C)
Numerical Method for the Structure of Rotating Axisymmetric Stars and its Thermally Driven Circulation
旋转轴对称星体结构及其热驱动环流的数值方法
- 批准号:
63540190 - 财政年份:1988
- 资助金额:
$ 2.66万 - 项目类别:
Grant-in-Aid for General Scientific Research (C)
Element synthesis in the late and explosive stages of stellar evolution
恒星演化后期和爆炸阶段的元素合成
- 批准号:
60540152 - 财政年份:1985
- 资助金额:
$ 2.66万 - 项目类别:
Grant-in-Aid for General Scientific Research (C)
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