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Celestial mechanics and dynamical astronomy最新文献

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Evolution of the characteristic curves in the restricted three-body problem in terms of the mass parameter 受限三体问题特征曲线在质量参数下的演化
Celestial mechanics and dynamical astronomy Pub Date : 2023-02-18 DOI: 10.1007/s10569-022-10118-z
A. Abad, M. Arribas, M. Palacios, A. Elipe
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引用次数: 0
How many Keplerian arcs are there between two points of spacetime? 在两个时空点之间有多少开普勒弧线?
Celestial mechanics and dynamical astronomy Pub Date : 2023-02-12 DOI: 10.1007/s10569-023-10126-7
A. Albouy, A. J. Ureña
{"title":"How many Keplerian arcs are there between two points of spacetime?","authors":"A. Albouy, A. J. Ureña","doi":"10.1007/s10569-023-10126-7","DOIUrl":"https://doi.org/10.1007/s10569-023-10126-7","url":null,"abstract":"","PeriodicalId":72537,"journal":{"name":"Celestial mechanics and dynamical astronomy","volume":"3 1","pages":"1-17"},"PeriodicalIF":0.0,"publicationDate":"2023-02-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76058967","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Implementation and study of a drag model for an N-body problem simulator n体问题模拟器阻力模型的实现与研究
Celestial mechanics and dynamical astronomy Pub Date : 2023-02-01 DOI: 10.1007/s10569-022-10119-y
R. D. Quattrucci, L. G. Meireles, M. C. Pereira
{"title":"Implementation and study of a drag model for an N-body problem simulator","authors":"R. D. Quattrucci, L. G. Meireles, M. C. Pereira","doi":"10.1007/s10569-022-10119-y","DOIUrl":"https://doi.org/10.1007/s10569-022-10119-y","url":null,"abstract":"","PeriodicalId":72537,"journal":{"name":"Celestial mechanics and dynamical astronomy","volume":"31 1","pages":"1-18"},"PeriodicalIF":0.0,"publicationDate":"2023-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91238785","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Polynomial stochastic dynamical indicators 多项式随机动态指标
Celestial mechanics and dynamical astronomy Pub Date : 2023-01-24 DOI: 10.1007/s10569-022-10116-1
M. Vasile, M. Manzi
{"title":"Polynomial stochastic dynamical indicators","authors":"M. Vasile, M. Manzi","doi":"10.1007/s10569-022-10116-1","DOIUrl":"https://doi.org/10.1007/s10569-022-10116-1","url":null,"abstract":"","PeriodicalId":72537,"journal":{"name":"Celestial mechanics and dynamical astronomy","volume":"36 1","pages":"1-35"},"PeriodicalIF":0.0,"publicationDate":"2023-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72798200","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mapping the structure of the planetary 2:1 mean motion resonance: the TOI-216, K2-24, and HD27894 systems 绘制行星2:1平均运动共振的结构:TOI-216, K2-24和HD27894系统
Celestial mechanics and dynamical astronomy Pub Date : 2023-01-11 DOI: 10.1007/s10569-022-10112-5
C. Giuppone, Adrián Rodríguez, Viviam Alencastro, F. Roig, T. Gallardo
{"title":"Mapping the structure of the planetary 2:1 mean motion resonance: the TOI-216, K2-24, and HD27894 systems","authors":"C. Giuppone, Adrián Rodríguez, Viviam Alencastro, F. Roig, T. Gallardo","doi":"10.1007/s10569-022-10112-5","DOIUrl":"https://doi.org/10.1007/s10569-022-10112-5","url":null,"abstract":"","PeriodicalId":72537,"journal":{"name":"Celestial mechanics and dynamical astronomy","volume":"1025 ","pages":"1-22"},"PeriodicalIF":0.0,"publicationDate":"2023-01-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72425535","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Relegation-free closed-form perturbation theory and the domain of secular motions in the restricted three-body problem 受限三体问题中的无保阶闭型摄动理论与长期运动域
Celestial mechanics and dynamical astronomy Pub Date : 2023-01-08 DOI: 10.1007/s10569-023-10154-3
M. Rossi, C. Efthymiopoulos
{"title":"Relegation-free closed-form perturbation theory and the domain of secular motions in the restricted three-body problem","authors":"M. Rossi, C. Efthymiopoulos","doi":"10.1007/s10569-023-10154-3","DOIUrl":"https://doi.org/10.1007/s10569-023-10154-3","url":null,"abstract":"","PeriodicalId":72537,"journal":{"name":"Celestial mechanics and dynamical astronomy","volume":"83 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"72453856","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On doubly symmetric periodic orbits 在双对称周期轨道上
Celestial mechanics and dynamical astronomy Pub Date : 2023-01-04 DOI: 10.1007/s10569-023-10135-6
U. Frauenfelder, Agustin Moreno
{"title":"On doubly symmetric periodic orbits","authors":"U. Frauenfelder, Agustin Moreno","doi":"10.1007/s10569-023-10135-6","DOIUrl":"https://doi.org/10.1007/s10569-023-10135-6","url":null,"abstract":"","PeriodicalId":72537,"journal":{"name":"Celestial mechanics and dynamical astronomy","volume":"1 1","pages":"1-18"},"PeriodicalIF":0.0,"publicationDate":"2023-01-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88620123","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
GANBISS: a new GPU accelerated N-body code for binary star systems. 甘比斯：一个新的GPU加速的二进制恒星系统的N体代码。
Celestial mechanics and dynamical astronomy Pub Date : 2023-01-01 Epub Date: 2023-05-25 DOI: 10.1007/s10569-023-10147-2
Maximilian Zimmermann, Elke Pilat-Lohinger
{"title":"GANBISS: a new GPU accelerated N-body code for binary star systems.","authors":"Maximilian Zimmermann,&nbsp;Elke Pilat-Lohinger","doi":"10.1007/s10569-023-10147-2","DOIUrl":"10.1007/s10569-023-10147-2","url":null,"abstract":"<p><p>We present a GPU accelerated N-body integrator using the Bulirsch-Stoer method, called GANBISS (GPU accelerated n-body code for binary star systems). It is designed to simulate the dynamical evolution of planetesimal disks in binary star systems which contain some thousand disk objects. However, it can also be used for studies of non-interacting massless bodies where up to 50 million objects can be studied in a simulation. GANBISS shows the energy and angular momentum conservation behavior of non-symplectic integration methods. The code is written in CUDA C and can be run on NVIDIA GPUs of compute capability of at least 3.5. A comparison of GPU and CPU computations indicates a speed-up of the GPU performance of up to 100 times-depending on the number of disk objects.</p>","PeriodicalId":72537,"journal":{"name":"Celestial mechanics and dynamical astronomy","volume":"135 3","pages":"33"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10212818/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9548025","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Natural dynamical reduction of the three-body problem. 三体问题的自然动力学还原。
Celestial mechanics and dynamical astronomy Pub Date : 2023-01-01 Epub Date: 2023-05-15 DOI: 10.1007/s10569-023-10144-5
Barak Kol
{"title":"Natural dynamical reduction of the three-body problem.","authors":"Barak Kol","doi":"10.1007/s10569-023-10144-5","DOIUrl":"10.1007/s10569-023-10144-5","url":null,"abstract":"<p><p>The three-body problem is a fundamental long-standing open problem, with applications in all branches of physics, including astrophysics, nuclear physics and particle physics. In general, conserved quantities allow to reduce the formulation of a mechanical problem to fewer degrees of freedom, a process known as dynamical reduction. However, extant reductions are either non-general, or hide the problem's symmetry or include unexplained definitions. This paper presents a general and natural dynamical reduction, which avoids these issues. Any three-body configuration defines a triangle, and its orientation in space. Accordingly, we decompose the dynamical variables into the geometry (shape + size) and orientation of the triangle. The geometry variables are shown to describe the motion of an abstract point in a curved 3d space, subject to a potential-derived force and a magnetic-like force with a monopole charge. The orientation variables are shown to obey a dynamics analogous to the Euler equations for a rotating rigid body; only here the moments of inertia depend on the geometry variables, rather than being constant. The reduction rests on a novel symmetric solution to the center of mass constraint inspired by Lagrange's solution to the cubic. The formulation of the orientation variables is novel and rests on a partially known generalization of the Euler-Lagrange equations to non-coordinate velocities. Applications to global features, to the statistical solution, to special exact solutions and to economized simulations are presented. A generalization to the four-body problem is presented.</p>","PeriodicalId":72537,"journal":{"name":"Celestial mechanics and dynamical astronomy","volume":"135 3","pages":"29"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10184114/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9509103","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A fast method of estimating the gravitational acceleration of asteroids with irregular shapes 一种快速估计不规则形状小行星引力加速度的方法
Celestial mechanics and dynamical astronomy Pub Date : 2022-12-28 DOI: 10.1007/s10569-022-10117-0
Shidong Zhang, Mingtao Li
{"title":"A fast method of estimating the gravitational acceleration of asteroids with irregular shapes","authors":"Shidong Zhang, Mingtao Li","doi":"10.1007/s10569-022-10117-0","DOIUrl":"https://doi.org/10.1007/s10569-022-10117-0","url":null,"abstract":"","PeriodicalId":72537,"journal":{"name":"Celestial mechanics and dynamical astronomy","volume":"55 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-12-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73077319","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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