Academic literature on the topic 'Generalised n-body problem'

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Journal articles on the topic "Generalised n-body problem"

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Kelishadi, Roya, Siamak Alikhani, Alireza Delavari, Farshid Alaedini, Afshin Safaie, and Eliyeh Hojatzadeh. "Obesity and associated lifestyle behaviours in Iran: findings from the First National Non-communicable Disease Risk Factor Surveillance Survey." Public Health Nutrition 11, no. 3 (2008): 246–51. http://dx.doi.org/10.1017/s1368980007000262.

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AbstractObjectiveTo assess the national prevalence of overweight and obesity, as well as some associated lifestyle behaviours, for the first time in Iran.Design and SettingsThis population-based study was performed in early 2005 as part of the World Health Organization (WHO) STEPwise approach to non-communicable diseases’ risk factor surveillance. Dietary and physical activity habits were assessed by WHO questionnaires.SubjectsThe study population comprised 89 532 subjects aged over 15 years living in the 28 provinces of Iran.ResultsOverall, 50.4% (n= 45 113) of the participants were male and
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Bharti, Aakanksha. "Hazard Exposure and Health Assessment of Construction Workers in New Delhi, India." International Journal of Preventive, Curative & Community Medicine 06, no. 02 (2020): 22–27. http://dx.doi.org/10.24321/2454.325x.202009.

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Introduction: Construction workers are at a risk of a number of health-related problems, and are exposed to a plethora of occupational hazards. Due to dearth of studies on construction workers about various determinants playing key role on their health. Objectives: 1) To determine the socio-demographic status of construction workers. 2) To assess workplace hazard exposure among study subjects. 3) To evaluate the overall health of the study subjects. Method: An opportunity was created in a general health camp organised by Department of Community Medicine, VMMC and Safdarjung Hospital, Delhi in
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Plastino, A. R., A. Plastino, and C. Tsallis. "The classical N-body problem within a generalized statistical mechanics." Journal of Physics A: Mathematical and General 27, no. 17 (1994): 5707–14. http://dx.doi.org/10.1088/0305-4470/27/17/008.

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Rivera, Andrés. "Periodic Solutions in the Generalized Sitnikov $(N+1)$-Body Problem." SIAM Journal on Applied Dynamical Systems 12, no. 3 (2013): 1515–40. http://dx.doi.org/10.1137/120883876.

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Curilef, Sergio. "Generalized statistical mechanics for the N-body quantum problem — ideal gases." Zeitschrift für Physik B Condensed Matter 100, no. 3 (1997): 433–40. http://dx.doi.org/10.1007/s002570050144.

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Tibboel, Pieter. "Finiteness of polygonal relative equilibria for generalised quasi-homogeneous n-body problems and n-body problems in spaces of constant curvature." Journal of Mathematical Analysis and Applications 441, no. 1 (2016): 183–93. http://dx.doi.org/10.1016/j.jmaa.2016.04.004.

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Zyza, A. V. "On generalized N. Kovalevski equations in two problems of rigid body dynamics." Vestnik Udmurtskogo Universiteta. Matematika. Mekhanika. Komp'yuternye Nauki 29, no. 1 (2019): 73–83. http://dx.doi.org/10.20537/vm190107.

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Hampton, Marshall, and Anders Nedergaard Jensen. "Finiteness of relative equilibria in the planar generalized $N$-body problem with fixed subconfigurations." Journal of Geometric Mechanics 7, no. 1 (2015): 35–42. http://dx.doi.org/10.3934/jgm.2015.7.35.

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Riahi, Hasna. "Study of the generalized solutions of n-body type problems with weak forces." Nonlinear Analysis: Theory, Methods & Applications 28, no. 1 (1997): 49–59. http://dx.doi.org/10.1016/0362-546x(95)00135-i.

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Fu, Yan-ning, and Yi-sui Sun. "Central configurations of n- body problem with generalized potential. (II). The numbers and shapes for 2 ⩽ n ⩽ 4." Chinese Astronomy and Astrophysics 17, no. 1 (1993): 99–106. http://dx.doi.org/10.1016/0275-1062(93)90047-s.

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Dissertations / Theses on the topic "Generalised n-body problem"

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JADANZA, RICCARDO DANILO. "Morse index and linear stability of relative equilibria in singular mechanical systems." Doctoral thesis, Politecnico di Torino, 2015. http://hdl.handle.net/11583/2599754.

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We have focussed on the study of the linear stability of some particular periodic orbits (called relative equilibria) in planar singular mechanical systems with SO(2)-symmetry, and we have achieved the results using quite advanced mathematical techniques. These involve some homotopy invariants, such as the spectral flow, and some index theory, namely a theorem stating the equality between the Morse index of an orbit seen as a critical point of a Lagrange action functional and the Maslov index of the fundamental solution of the associated Hamiltonian system. Moreover, what we have found meets o
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Riegel, Ryan Nelson. "Generalized N-body problems: a framework for scalable computation." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/50269.

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In the wake of the Big Data phenomenon, the computing world has seen a number of computational paradigms developed in response to the sudden need to process ever-increasing volumes of data. Most notably, MapReduce has proven quite successful in scaling out an extensible class of simple algorithms to even hundreds of thousands of nodes. However, there are some tasks---even embarrassingly parallelizable ones---that neither MapReduce nor any existing automated parallelization framework is well-equipped to perform. For instance, any computation that (naively) requires consideration of all pairs
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Xiao, Bo. "Parallel algorithms for generalized N-body problem in high dimensions and their applications for bayesian inference and image analysis." Diss., Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/53052.

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In this dissertation, we explore parallel algorithms for general N-Body problems in high dimensions, and their applications in machine learning and image analysis on distributed infrastructures. In the first part of this work, we proposed and developed a set of basic tools built on top of Message Passing Interface and OpenMP for massively parallel nearest neighbors search. In particular, we present a distributed tree structure to index data in arbitrary number of dimensions, and a novel algorithm that eliminate the need for collective coordinate exchanges during tree construction. To the bes
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Conference papers on the topic "Generalised n-body problem"

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Ellis, Marquita, Aydin Buluc, and Katherine Yelick. "Scaling Generalized N-Body Problems, A Case Study from Genomics." In ICPP 2021: 50th International Conference on Parallel Processing. ACM, 2021. http://dx.doi.org/10.1145/3472456.3472517.

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Ellis, Marquita, Aydin Buluc, and Katherine Yelick. "Scaling Generalized N-Body Problems, A Case Study from Genomics." In ICPP 2021: 50th International Conference on Parallel Processing. ACM, 2021. http://dx.doi.org/10.1145/3472456.3472517.

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Ellis, Marquita, Aydın Buluç, and Katherine Yelick. "Asynchrony versus bulk-synchrony for a generalized N-body problem from genomics." In PPoPP '21: 26th ACM SIGPLAN Symposium on Principles and Practice of Parallel Programming. ACM, 2021. http://dx.doi.org/10.1145/3437801.3441580.

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Anderson, Kurt S., and Michael J. A. Sadowski. "An Efficient Method for Contact/Impact Problems in Multibody Systems: Topologies With Many Loops." In ASME 2003 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/detc2003/vib-48340.

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This paper presents an algorithm for the efficient numerical analysis and simulation of contact/impact problems in modest to heavily constrained multi-rigid-body dynamic systems. The algorithm can accommodate the spatial motion of general multirigid-body systems containing arbitrarily many closed loops in O(n+m) operations overall for systems containing n generalized coordinates, and m independent algebraic constraints. The presented method uses a generalized momentum balance approach to determine the velocity jumps which take place across impacts in such constrained multibody dynamic systems.
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Anderson, Kurt S., and Michael J. A. Sadowski. "An Efficient Method for Contact/Impact Problems in Multibody Systems: Tree Topologies." In ASME 2003 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/detc2003/vib-48339.

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This paper presents an algorithm for the efficient numerical analysis and simulation of contact/impact problems in tree topology multi-rigid-body dynamic systems. The algorithm can accommodate the jumps in structure which occur in the equations of motion of general multi-rigid-body tree systems due to a contact/impact event between bodies, or due to the locking of joints. The presented method uses a generalized momentum balance approach to determine the velocity jumps which take place across impacts in such multibody dynamic systems, and where necessary explicitly determines impact impulsive l
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Sadowski, Michael J., and Kurt S. Anderson. "An Efficient Method for a Category of Contact/Impact Problems in Multibody Systems: Tree Topologies." In ASME 2005 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/detc2005-85563.

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This paper presents an algorithm for the efficient numerical analysis and simulation of a category of contact/impact problems in multi-rigid-body dynamic systems with tree topologies. The algorithm can accommodate the jumps in structure which occur in the equations of motion of general multi-rigid-body systems due to a contact/impact event between bodies, or due to the locking of joints as long as the resulting system is a tree topology. The presented method uses a generalized momentum balance approach to determine the velocity jumps which take place across impacts in such multibody dynamic sy
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