Relevant bibliographies by topics / Geodesic structure

Academic literature on the topic 'Geodesic structure'

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Published: 4 June 2021
Last updated: 31 January 2023

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Journal articles on the topic "Geodesic structure"

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Jones, Kerry N., and Alan W. Reid. "Non-simple geodesics in hyperbolic 3-manifolds." Mathematical Proceedings of the Cambridge Philosophical Society 116, no. 2 (September 1994): 339–51. http://dx.doi.org/10.1017/s0305004100072625.

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AbstractChinburg and Reid have recently constructed examples of hyperbolic 3-manifolds in which every closed geodesic is simple. These examples are constructed in a highly non-generic way and it is of interest to understand in the general case the geometry of and structure of the set of closed geodesics in hyperbolic 3-manifolds. For hyperbolic 3-manifolds which contain immersed totally geodesic surfaces there are always non-simple closed geodesics. Here we construct examples of manifolds with non-simple closed geodesics and no totally geodesic surfaces.
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Azam, Muhammad, Ghulam Abbas, Syeda Sumera, and Abdul Rauf Nizami. "Geodesic structure of magnetically charged regular black hole." International Journal of Geometric Methods in Modern Physics 14, no. 09 (August 2, 2017): 1750120. http://dx.doi.org/10.1142/s0219887817501201.

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The purpose of this paper is to study the geodesic structure of magnetically charged regular black hole (MCRBH). The behavior of timelike and null geodesics of MCRBH is investigated. The graphs have been plotted to show the relation between distance versus time and proper time for photon-like and massive particle. For radial and circular motion, the effective potential has been plotted with different parameters of BH. We conclude that massive particles move around the BH in timelike geodesic path.
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LEIVA, CARLOS, JOEL SAAVEDRA, and JOSÉ VILLANUEVA. "GEODESIC STRUCTURE OF THE SCHWARZSCHILD BLACK HOLE IN RAINBOW GRAVITY." Modern Physics Letters A 24, no. 18 (June 14, 2009): 1443–51. http://dx.doi.org/10.1142/s0217732309029983.

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In this paper we study the geodesic structure of the Schwarzschild black hole in rainbow gravity analyzing the behavior of null and time-like geodesic. We find that the structure of the geodesics essentially does not change when the semiclassical effects are included. However, we can distinguish different scenarios if we take into account the effects of rainbow gravity. Depending on the type of rainbow functions under consideration, inertial and external observers see very different situations in radial and non-radial motion of a test particle.
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HERZLICH, MARC. "PARABOLIC GEODESICS AS PARALLEL CURVES IN PARABOLIC GEOMETRIES." International Journal of Mathematics 24, no. 09 (August 2013): 1350067. http://dx.doi.org/10.1142/s0129167x13500675.

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We give a simple characterization of the parabolic geodesics introduced by Čap, Slovák and Žádník for all parabolic geometries. This goes through the definition of a natural connection on the space of Weyl structures. We then show that parabolic geodesics can be characterized as the following data: a curve on the manifold and a Weyl structure along the curve, so that the curve is a geodesic for its companion Weyl structure and the Weyl structure is parallel along the curve and in the direction of the tangent vector of the curve.
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RUGGIERO, RAFAEL O. "Expansive geodesic flows in manifolds with no conjugate points." Ergodic Theory and Dynamical Systems 17, no. 1 (February 1997): 211–25. http://dx.doi.org/10.1017/s0143385797060963.

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Let $M$ be a compact Riemannian manifold with no conjugate points such that its geodesic flow is expansive. We show that there exists a local product structure in the unit tangent bundle of the manifold which is invariant under the geodesic flow. In particular, we have that the set of closed geodesics is dense and that the flow is topologically transitive.
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Rodrigues, Hugo Murilo, and Ryuichi Fukuoka. "Geodesic fields for Pontryagin type C0-Finsler manifolds." ESAIM: Control, Optimisation and Calculus of Variations 28 (2022): 19. http://dx.doi.org/10.1051/cocv/2022013.

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Let M be a differentiable manifold, TxM be its tangent space at x ∈ M and TM = {(x, y);x ∈ M;y ∈ TxM} be its tangent bundle. A C0-Finsler structure is a continuous function F : TM → [0, ∞) such that F(x, ⋅) : TxM → [0, ∞) is an asymmetric norm. In this work we introduce the Pontryagin type C0-Finsler structures, which are structures that satisfy the minimum requirements of Pontryagin’s maximum principle for the problem of minimizing paths. We define the extended geodesic field ℰ on the slit cotangent bundle T*M\0 of (M, F), which is a generalization of the geodesic spray of Finsler geometry. We study the case where ℰ is a locally Lipschitz vector field. We show some examples where the geodesics are more naturally represented by ℰ than by a similar structure on TM. Finally we show that the maximum of independent Finsler structures is a Pontryagin type C0-Finsler structure where ℰ is a locally Lipschitz vector field.
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ELDER, MURRAY J. "PATTERNS THEORY AND GEODESIC AUTOMATIC STRUCTURE FOR A CLASS OF GROUPS." International Journal of Algebra and Computation 13, no. 02 (April 2003): 203–30. http://dx.doi.org/10.1142/s0218196703001274.

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We introduce a theory of patterns in order to study geodesics in a certain class of group presentations. Using patterns we show that there does not exist a geodesic automatic structure for certain group presentations, and that certain group presentations are almost convex.
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Mrówczyńska, Maria, and Jacek Sztubecki. "The use of evolutionary algorithms for designing an optimum structure of a geodesic measurement and control network." MATEC Web of Conferences 262 (2019): 07008. http://dx.doi.org/10.1051/matecconf/201926207008.

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The paper presents an attempt to determine an optimum structure of a geodesic measurement and control network used for geodesic monitoring to determine horizontal displacements of buildings. In geodesy, horizontal networks can be used to determine terrain deformations as well as displacements of engineering structures (dams, water reservoirs, open-cast mines). The network subjected to analysis is a directional network. In order to find a correct solution, its structure should include so-called supernumerary observations. An adequate number of observations should be carried out in the network to obtain a solution with reliable values of horizontal displacements. Moreover, the way in which the observations are carried out and their number should make it possible to show changes taking place in the object and meet the economic criteria of geodesic measurements. In order to optimize the structure of a geodesic measurement and control network, information entropy and evolutionary algorithms are used in the paper. Information entropy is a logarithmic measure of probability, and an optimum number of observations carried out in the network depends on the increment of the content of information in the observation system. Evolutionary algorithms were developed in the 1980s, and they are currently very popular and widely used. Their main principle is based on the evolution or behaviour of the best adapted individuals in subsequent computational cycles.
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Lenells, Jonatan. "Spheres, Kähler geometry and the Hunter–Saxton system." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 469, no. 2154 (June 8, 2013): 20120726. http://dx.doi.org/10.1098/rspa.2012.0726.

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Many important equations of mathematical physics arise geometrically as geodesic equations on Lie groups. In this paper, we study an example of a geodesic equation, the two-component Hunter–Saxton (2HS) system, which displays a number of unique geometric features. We show that 2HS describes the geodesic flow on a manifold, which is isometric to a subset of a sphere. Since the geodesics on a sphere are simply the great circles, this immediately yields explicit formulae for the solutions of 2HS. We also show that when restricted to functions of zero mean, 2HS reduces to the geodesic equation on an infinite-dimensional manifold, which admits a Kähler structure. We demonstrate that this manifold is in fact isometric to a subset of complex projective space, and that the above constructions provide an example of an infinite-dimensional Hopf fibration.
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Goluk, Victor P., and Denis G. Nazarov. "FEATURES OF GEODECTIC NETWORKS DENSIFICATION ON THE EXAMPLE OF A RAILWAY BRIDGE CROSSING CONSTRUCTION ACROSS THE KERCHEN STRAIT." Interexpo GEO-Siberia 1, no. 1 (July 8, 2020): 93–105. http://dx.doi.org/10.33764/2618-981x-2020-1-1-93-105.

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The geodetic center base for the construction of bridge structures is the basis of all measurement work. Often it is necessary to carry out the densification of the geodetic center base in compliance with the necessary accuracy of recoverable structures. In the process of geodesic control of the construction of a railway bridge on Section No. 3 of the channel between Tuzlinsky Spit and Tuzla Island, difficulties arose in bringing the project to life at all stages of the construction of a structure associated with the low density of geodetic center base points located in the aquatic area. Based on the above the geodesic service of the LLC “Bridge Bureau” carried out work on the concentration of the geodetic center at the construction site of the bridge crossing (the working bridge RM-1 - site No. 3), as well as taking into account: Section 4 of the joint venture 126.13330.2017 "Geodetic works in construction", GOST 21780-2006 "System for ensuring the accuracy of geometrical parameters in construction. Calculation of accuracy ", as well as SP 46.13330.2012" Bridges and pipes." An a priori assessment of the accuracy of the measurement results for each of the methods for monitoring the planning and altitude position of the condensation points was made. A combined approach to densification of the geodetic center base is suggested.
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Dissertations / Theses on the topic "Geodesic structure"

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Newsome, Ian M. "GEODESIC STRUCTURE IN SCHWARZSCHILD GEOMETRY WITH EXTENSIONS IN HIGHER DIMENSIONAL SPACETIMES." VCU Scholars Compass, 2018. https://scholarscompass.vcu.edu/etd/5414.

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From Birkoff's theorem, the geometry in four spacetime dimensions outside a spherically symmetric and static, gravitating source must be given by the Schwarzschild metric. This metric therefore satisfies the Einstein vacuum equations. If the mass which gives rise to the Schwarzschild spacetime geometry is concentrated within a radius of r=2M, a black hole will form. Non-accelerating particles (freely falling) traveling through this geometry will do so along parametrized curves called geodesics, which are curved space generalizations of straight paths. These geodesics can be found by solving the geodesic equation. In this thesis, the geodesic structure in the Schwarzschild geometry is investigated with an attempt to generalize the solution to higher dimensions.
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Howarth, Laura. "The existence and structure of constants of geodesic motion admitted by spherically symmetric static space-times." Thesis, University of Hull, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.310318.

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Fama, Christopher J., and -. "Non-smooth differential geometry of pseudo-Riemannian manifolds: Boundary and geodesic structure of gravitational wave space-times in mathematical relativity." The Australian National University. School of Mathematical Sciences, 1998. http://thesis.anu.edu.au./public/adt-ANU20010907.161849.

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[No abstract supplied with this thesis - The first page (of three) of the Introduction follows] ¶ This thesis is largely concerned with the changing representations of 'boundary' or 'ideal' points of a pseudo-Riemannian manifold -- and our primary interest is in the space-times of general relativity. In particular, we are interested in the following question: What assumptions about the 'nature' of 'portions' of a certain 'ideal boundary' construction (essentially the 'abstract boundary' of Scott and Szekeres (1994)) allow us to define precisely the topological type of these 'portions', i.e., to show that different representations of this ideal boundary, corresponding to different embeddings of the manifold into others, have corresponding 'portions' that are homeomorphic? ¶ Certain topological properties of these 'portions' are preserved, even allowing for quite unpleasant properties of the metric (Fama and Scott 1995). These results are given in Appendix D, since they are not used elsewhere and, as well as representing the main portion of work undertaken under the supervision of Scott, which deserves recognition, may serve as an interesting example of the relative ease with which certain simple results about the abstract boundary can be obtained. ¶ An answer to a more precisely formulated version of this question appears very diffcult in general. However, we can give a rather complete answer in certain cases, where we dictate certain 'generalised regularity' requirements for our embeddings, but make no demands on the precise functional form of our metrics apart from these. For example, we get a complete answer to our question for abstract boundary sets which do not 'wiggle about' too much -- i.e., they satisfy a certain Lipschitz condition -- and through which the metric can be extended in a manner which is not required to be differentiable (C[superscript1]), but is continuous and non--degenerate. We allow similar freedoms on the interior of the manifold, thereby bringing gravitational wave space-times within our sphere of discussion. In fact, in the course of developing these results in progressively greater generality, we get, almost 'free', certain abilities to begin looking at geodesic structure on quite general pseudo-Riemannian manifolds. ¶ It is possible to delineate most of this work cleanly into two major parts. Firstly, there are results which use classical geometric constructs and can be given for the original abstract boundary construction, which requires differentiability of both manifolds and metrics, and which we summarise below. The second -- and significantly longer -- part involves extensions of those constructs and results to more general metrics.
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Khalafalla, Eltayeb Elrayah. "Computer aided processing of geodesic structural forms." Thesis, University of Surrey, 1994. http://epubs.surrey.ac.uk/845/.

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Grochalová, Eva. "Dřevěná nosná konstrukce sportovního objektu." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-226082.

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The diploma thesis covers a design and an assesment of a timber bearing structure of sports hall. The plan of the hall is round, i.e. the object is shaped as a dome. The structure is designed in two ways: geodesic and ribbed dome. Both options are made of glued laminated timber and structural timber.
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Tholozan, Nicolas. "Uniformisation des variétés pseudo-riemanniennes localement homogènes." Thesis, Nice, 2014. http://www.theses.fr/2014NICE4079/document.

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Ce travail étudie les variétés pseudo-riemanniennes compactes localement homogènes à travers le prisme des (G,X)-structures, introduites par Thurston dans son programme de géométrisation. Nous commençons par présenter la problématique générale et discutons notamment du rapport entre la complétude géodésique de ces variétés et une autre notion de complétude propre aux (G,X)-structures. Nous donnons également dans le chapitre 1 une nouvelle preuve d’un théorème de Bromberg et Medina qui classifie les métriques lorentziennes invariantes à gauche sur SL(2,R) dont le flot géodésique est complet. Conjecturalement, toute (G,X)-structure pseudo-riemannienne sur une variété compacte est complète. Nous prouvons ici que cela est vrai pour certaines géométries, sous l’hypothèse que la (G,X)-structure est a priori kleinienne. On en déduit que, pour ces géométries, la complétude est une condition fermée. Lorsque X est un groupe de Lie de rang 1 muni de sa métrique de Killing, ce résultat complète un théorème de Guéritaud–Guichard–Kassel–Wienhard selon lequel la complétude est une condition ouverte. Nous nous tournons ensuite vers l’étude des représentations d’un groupe de surface à valeurs dans les isométries d’une variété riemannienne M complète simplement connexe de courbure sectionnelle inférieure à -1. Étant donnée une telle représentation ρ, nous montrons que l’ensemble des représentations fuchsiennes j telles qu’il existe une application (j,ρ)-équivariante et contractante de H2 dans M est un ouvert non vide et contractile de l’espace de Teichmüller (sauf lorsque ρ est elle-même fuchsienne). Ce résultat nous permet de décrire l’espace des métriques lorentziennes de courbure constante -1 sur un fibré en cercle au-dessus d’une surface compacte. Nous montrons que cet espace possède un nombre fini de composantes connexes classifiées par un invariant que nous appelons longueur de la fibre. Nous prouvons également que le volume total de ces métriques ne dépend que de la topologie du fibré et de la longueur de la fibre
In this work, we study closed locally homogeneous pseudo-Riemannian manifolds through the notion of (G,X)-structure, introduced by Thurston in his geometrization program. We start by presenting the general problem. In particular, we discuss the link between geodesical completeness of those manifolds and another notion of completeness specific to (G,X)-structures. In chapter 1, we also give a new proof of a theorem by Bromberg and Medina which classifies left invariant Lorentz metrics on SL(2,R) that are geodesically complete. Conjecturally, every pseudo-riemannian (G,X)-structure on a closed manifold is complete. Here we prove that it holds for certain geometries, provided that the (G,X )-structure is a priori Kleinian . This implies that, for such geometries, completeness is a closed condition. When X is a Lie group of rank 1 handled with its Killing metric, this result complements a theorem of Guéritaud–Guichard–Kassel–Wienhard, acording to which completeness is an open condition. We then turn to the study of representations of surface groups into the isometry group of a complete simply connected Riemannian manifold M of curvature less than or equal to -1. Given such a representation ρ, we prove that the set of Fuchsian representations j for which there exists a (j,ρ)-equivariant contracting map from H2 to M is a non-empty open contractible subset of the Teichmüller space (unless ρ itself is Fuchsian). This result allows us to describe the space of Lorentz metrics of constant curvature -1 on a circle bundle over a closed surface. We show that this space has finitely many connected components, classified by an invariant that we call the length of the fiber. We also prove that the total volume of those metrics only depends on the topology of the bundle and on the length of the fiber
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Badreddine, Zeinab. "Mass transportation in sub-Riemannian structures admitting singular minimizing geodesics." Thesis, Bourgogne Franche-Comté, 2017. http://www.theses.fr/2017UBFCK034/document.

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Cette thèse est consacrée à l’étude du problème de transport de Monge pour le coût quadratique en géométrie sous-Riemannienne et des conditions essentielles à l’obtention des résultats d’existence et et d’unicité de solutions. Ces travaux consistent à étendre ces résultats au cas des structures sous-Riemanniennes admettant des géodésiques minimisantes singulières. Dans une première partie, on développe des techniques inspirées de travaux de Cavalletti et Huesmann pour d’obtenir des résultats significatifs pour des structures de rang 2 en dimension 4. Dans une deuxième partie, on étudie des outils analytiques de la h-semiconcavité de la distance sousriemannienne et on montre comment ce type de régularité peut aboutit à l’obtention d’existence et d’unicité de solutions dans un cas général
This thesis is devoted to the study of the Monge transport problem for the quadratic cost in sub-Riemannian geometry and the essential conditions to obtain existence and uniqueness of solutions. These works consist in extending these results to the case of sub-Riemannian structures admitting singular minimizing geodesics. In a first part, we develop techniques inspired by works by Cavalletti and Huesmann in order to obtain significant results for structures of rank 2 in dimension 4. In a second part, we study analytical tools of the h-semiconcavity of the sub-Riemannian distance and we show how this type of regularity can lead to the well-posedness of the Monge problem in general cases
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Casey, Stephen. "On the structure of path geometries and null geodesics in general relativity." Thesis, University of Cambridge, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.648158.

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Nesbit, Paul R. "Uninhabited Aerial Vehicles and Structure from Motion| A fresh approach to photogrammetry." Thesis, California State University, Long Beach, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=1526938.

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Three-dimensional mapping and modeling can contribute to knowledge about the real world. Techniques are largely driven by available technology and typically involve expensive equipment and expert skill. Recent advances have led to low-cost remotely sensed data collection and generation of 3D terrain models using Uninhabited Aerial Vehicles (UAV) and Structure from Motion (SfM) processing software. This research presents a low-cost alternative to 3D mapping by pairing UAV collection methods with three SfM processing techniques. Surface models are generated from the same image set captured from a low-cost UAV coupled with a digital camera. Accuracy of resulting models identifies strengths and weaknesses of each technique. Analysis of different slope ranges investigates the divide at which surfaces generated become less reliable. This research provides a deeper understanding of the strengths and limitations of emerging technologies used together in a fresh approach to photogrammetry.

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Bueno, Régis Fernandes. "Monitoração, por GPS, de deslocamentos em estruturas com carga dinâmica." Universidade de São Paulo, 2007. http://www.teses.usp.br/teses/disponiveis/3/3138/tde-08012008-144719/.

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A monitoração dinâmica de pontes rodoviárias através da determinação de deslocamentos espaciais é uma das atuais áreas de interesse da geodésia. A tecnologia de posicionamento por satélite é uma das ferramentas disponíveis para este fim e foi avaliada nesta pesquisa. Verifica-se que o GNSS pode contribuir para com o monitoramento dinâmico de estruturas e nos últimos anos se observam aplicações em grandes pontes estaiadas na Ásia, na Europa e na América do Norte. No presente estudo analisou-se a aplicação desta tecnologia em uma estrutura mais rígida, sob vinculo com uma rede de referência única e sob as condições apresentadas pela região brasileira. Foram realizados ensaios em um shaker, na Base de Calibração de Instrumentos Geodésicos da USP e na estrutura do Viaduto Ascendente 19 da rodovia dos Imigrantes, empregando-se a tecnologia GPS e análise modal. A partir de determinações no método relativo cinemático obtiveram-se os deslocamentos tridimensionais e a freqüências do primeiro modo de vibração da estrutura. A metodologia aplicada e os resultados obtidos demonstram a potencialidade do método também para estruturas mais rígidas e sob condições características da região brasileira, que diferem de outras partes do globo no que tange a tecnologia GPS. Ao final é sugerida uma Proposta Básica de Metodologia para a Monitoração de Estrutura com Carga Dinâmica pela Utilização de GNSS.
The dynamic monitoring of road bridges though spatial displacements is one of the geodetic areas of interests. The satellite positioning technologies are one of the disposed tools for this task and were evaluate by present research. One verifies that GNSS can contribute for the dynamic monitoring of structures, and has applied for this task in the last years to large cable stayed bridges on Asia, on Europe and on North America. On the present study, one analyses the use of this technology in a more rigid structure, tied to a unique reference network and under Brazilian region conditions. Were realized essays over a shaker on USP Geodetic Instrumental Calibration Base and over the Imigrantes Roadway Ascending Viaduct 19 employing the GPS technology and modal analysis. By determinations in the kinematics relative method ones obtain the tridimensional displacements and the frequency of first modal shape of the structure. The applied methodology and its obtained results demonstrate the potentiality of this method for more rigid structure too, and under Brazilian region characteristics. At the end is proponed a Methodological Basic Proposal for Dynamic Charged Structure Monitoring thru GNSS Employment.
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Books on the topic "Geodesic structure"

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Morgan, G. W. Geodesic & geolatic domes & space structures: Geometric design methods. San Jose, CA, U.S.A: Sci-Tech Publications, 1985.

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Blick, G. H. A description of a geodetic database for earth deformation studies. Lower Hutt: New Zealand Geological Survey, 1986.

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Motro, René. Tensegrity: Structural systems for the future. London: Hermes Penton Science, 2003.

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Motro, René. Tensegrity: Structural systems for the future. London: Kogan Page Science, 2003.

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Engineering a new architecture. New Haven: Yale University Press, 1996.

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Complex Monge-Ampère equations and geodesics in the space of Kähler metrics. Berlin: Springer Verlag, 2012.

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McClay, K. R. The mapping of geological structures. Milton Keynes, England: Open University Press, 1987.

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Fragile, Earth International Conference (2011 Munich Germany). Geological field trips in Central Western Europe: Fragile Earth International Conference, Munich, September 2011. Boulder, Colo: Geological Society of America, 2011.

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McClay, K. R. The mapping of geological structures. Chichester, England: John Wiley & Sons, 1997.

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The mapping of geological structures. Milton Keynes, England: Open University Press, 1987.

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Book chapters on the topic "Geodesic structure"

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Roopa, M., Kavitha B. Lakshmi, and H. Venugopal. "Dynamic Analysis of Geodesic Dome Structure." In Lecture Notes in Civil Engineering, 895–915. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-2826-9_56.

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Jia, Taorui, Kang Wang, Zhongke Wu, Junli Zhao, Pengfei Xu, Cuiting Liu, and Mingquan Zhou. "Isometric Shape Correspondence Based on the Geodesic Structure." In Lecture Notes in Computer Science, 41–56. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-49247-5_3.

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Starr, Trevor F. "FRP Geodesic Domes: One Example." In Composite Structures 3, 164–77. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-4952-2_12.

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Miranda, Mario. "Geodesic Lines in Metric Spaces." In Variational Methods for Discontinuous Structures, 119–22. Basel: Birkhäuser Basel, 1996. http://dx.doi.org/10.1007/978-3-0348-9244-5_11.

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Brešar, Boštjan, Matjaž Kovše, and Aleksandra Tepeh. "Geodetic Sets in Graphs." In Structural Analysis of Complex Networks, 197–218. Boston: Birkhäuser Boston, 2010. http://dx.doi.org/10.1007/978-0-8176-4789-6_8.

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Aramayona, Javier, and Christopher J. Leininger. "Hyperbolic Structures on Surfaces and Geodesic Currents." In Advanced Courses in Mathematics - CRM Barcelona, 111–49. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-60940-9_3.

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Stasi, Gianluca. "From Geometry to Reality: Designing Geodesic Structures." In Trends in Mathematics, 87–102. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-99116-6_7.

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Sandhu, J. S., K. A. Stevens, and G. A. O. Davies. "Torsional Buckling and Post-buckling of a CFC Geodetic Cylinder." In Composite Structures 5, 487–501. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-1125-3_27.

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Henneberg, Heinz. "Geodetic Works for Large Structures in Venezuela." In Applications of Geodesy to Engineering, 227–57. Berlin, Heidelberg: Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-642-77958-9_21.

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Bárta, Ladislav, Jiří Bureš, and Otakar Švábenský. "Geodetic Monitoring of Bridge Structures in Operation." In Springer Proceedings in Earth and Environmental Sciences, 198–210. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-51953-7_17.

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Conference papers on the topic "Geodesic structure"

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MONDAINI, RUBEM P., and ROBERTO A. C. PRATA. "GEODESIC CURVES FOR BIOMOLECULAR STRUCTURE MODELLING." In International Symposium on Mathematical and Computational Biology. WORLD SCIENTIFIC, 2008. http://dx.doi.org/10.1142/9789812812339_0018.

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Gang Zeng, Peng Wang, Jingdong Wang, Rui Gan, and Hongbin Zha. "Structure-sensitive superpixels via geodesic distance." In 2011 IEEE International Conference on Computer Vision (ICCV). IEEE, 2011. http://dx.doi.org/10.1109/iccv.2011.6126274.

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Bober, Waldemar, and Przemyslaw Stobiecki. "Experimental geodesic dome with a sandwich panels structure." In Human Interaction and Emerging Technologies (IHIET-AI 2022) Artificial Intelligence and Future Applications. AHFE International, 2022. http://dx.doi.org/10.54941/ahfe100895.

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The popularization of geodesic domes as a living space was one of R. B. Fuller's challenges for modern mankind. The search for a technology that can optimally satisfy this desire in a society living in a temperate climate has become the goal of the structural studies described in this study. The technological solution for the layer of sandwich panels depends on the adopted discrete division of the polyhedron surface. Due to the relatively simple shape of this element, the dodecahedron was adopted as the basis form. The designated triangular elements constitute the initial shape of the basic element. The shape of the spatial solid of this element has been obtained as the result of the analysis of the edges of connections between triangular panels. The use of thin GRC concrete slabs in the load-bearing layers allows it to work with metal edges around the perimeter of the panel. The design solutions for the geometry of the structure nodes are of decisive importance for the technology of assembling the panels into a compact arrangement of the spherical shell. In order to assess the technical value of the created model, an original measurement system was designed based on statically operating measurement poles. The system of mechanically adjustable measuring poles has two functions in the same position: as the adjustable load that causes deformation, and as the protection of the model in case of loss of stability during strength tests. The research experience obtained on the initial model will be used in further detailed testing of the sandwich panel roofing system described below.
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Jia, Taorui, Kang Wang, Zhongke Wu, Junli Zhao, Pengfei Xu, Cuiting Liu, and Mingquan Zhou. "Isometric Shape Matching Based on the Geodesic Structure and Minimum Cost Flow." In 2014 International Conference on Cyberworlds (CW). IEEE, 2014. http://dx.doi.org/10.1109/cw.2014.25.

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DeFisher, Scott, and Greg Matthews. "Characterization of Multi-Spatial Errors on Freeform Surfaces with a Geodesic Structure Function." In Freeform Optics. Washington, D.C.: OSA, 2017. http://dx.doi.org/10.1364/freeform.2017.jth2b.3.

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Bi, Jinbo, and Jianming Liang. "Multiple Instance Learning of Pulmonary Embolism Detection with Geodesic Distance along Vascular Structure." In 2007 IEEE Conference on Computer Vision and Pattern Recognition. IEEE, 2007. http://dx.doi.org/10.1109/cvpr.2007.383141.

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Mashtakov, Alexey, and Alexey Podobryaev. "Geodesic Flow of the Sub-Riemannian Structure of Engel Type with Strictly Abnormal Extremals." In 2022 16th International Conference on Stability and Oscillations of Nonlinear Control Systems (Pyatnitskiy's Conference) (STAB). IEEE, 2022. http://dx.doi.org/10.1109/stab54858.2022.9807528.

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Hong Park, Ju. "Tensegami: Design Principle of Combining Tensegrity and Origami to Make Geodesic Dome Structure for Martian Agriculture." In 17th Biennial International Conference on Engineering, Science, Construction, and Operations in Challenging Environments. Reston, VA: American Society of Civil Engineers, 2021. http://dx.doi.org/10.1061/9780784483374.089.

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Zheng, Chun hua, Joseph Doll, Emily Gu, Elizabeth Hager-Barnard, Zubin Huang, AmirAli Kia, Monica Ortiz, et al. "Exploring Cellular Tensegrity: Physical Modeling and Computational Simulation." In ASME 2008 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2008. http://dx.doi.org/10.1115/sbc2008-192407.

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The term tensegrity was first coined by Buckminster Fuller to describe a structure in which continuous tension in its members forms the basis for structural integrity. Fuller most famously demonstrated the concept of tensegrity in architecture through the design of geodesic domes while his student, artist Kenneth Snelson, applied the concept of tensegrity to create sculptures that appear to defy gravity (Figure 1). Snelson’s tensegrity sculptures have minimal components and achieve their stability through dynamic distribution of tensile and compressive forces amongst their members to create internal balance [1]. It was upon viewing Snelson’s sculptures that Donald Ingber became inspired by their structural efficiency and dynamic force balance to adopt tensegrity as a paradigm upon which to analyze cell structure and mechanics. It has been 30 years since the premier appearance of the cellular tensegrity model and although the model is still much under debate, empirical evidence suggests that the model may explain a wide variety of phenomena ranging from tumor growth to cell motility [1–4].
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Canlas, Ria Liza C., Ma Theresa Judith N. Principe, Gwenzel S. Riego, and Vicente E. DyReyes. "Finite Element Analysis on a Single-story Geodesic Dome Structure Using Combination of Po-Lite Hollow Blocks and Cold-Formed Steel." In TENCON 2021 - 2021 IEEE Region 10 Conference (TENCON). IEEE, 2021. http://dx.doi.org/10.1109/tencon54134.2021.9707403.

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Reports on the topic "Geodesic structure"

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Moon, Young I. Geodesic Wing Structural Optimization and Dynamic Analysis. Fort Belvoir, VA: Defense Technical Information Center, August 1996. http://dx.doi.org/10.21236/ada361169.

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Chamberlain, C. A., and K. Lochhead. Data modeling as applied to surveying and mapping data. Natural Resources Canada/CMSS/Information Management, 1988. http://dx.doi.org/10.4095/331263.

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The Geodetic Survey Division of the Canada Centre for Surveying is replacing the National Geodetic Data Base (NGDB) with the National Geodetic Information System (NGIS). For the NGIS to be successful, it was recognized that a sound, well engineered data mode was essential. The methodology chosen to design the data mode! was Nijssen's Information Analysis Methodology (NIAM), a binary modeling technique that is supported by a Computer Aided Software Engineering (CASE) tool, PC-IAST. An NGIS prototype has also been developed using Digital Equipment of Canada's Relational Database (Rdb) management system and COGNOS Corporations POWERHOUSE 4th generation language. This paper addresses the need for, and the advantages of using a strong engineering approach to data modeling and describes the use of the NIAM methodology in NGIS development. The paper identifies the relationship between the data mode!, data structures, the design and development of a database and the use of automated tools for systems development. In conclusion, critical success factors for the continuation of the N.G.I.S. developments are identified and the benefits that will accrue are enumerated.
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Dunbar, Joseph. Legacy datums and changes in benchmark elevation through time at the Low Sill and Overbank Structures, Louisiana. Engineer Research and Development Center (U.S.), August 2022. http://dx.doi.org/10.21079/11681/45261.

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Vertical datums used in the study area at the Low Sill and Overbank Structures in southern Louisiana have involved Memphis Datum, Mean Gulf Level, Mean Sea Level, Mean Sea Level Datum of 1929, National Geodetic Vertical Datum of 1929, and the North American Vertical Datum of 1988. The focus of this study was to examine historic benchmarks in the study area to determine the magnitude of elevation changes associated with the different legacy datums that have been used by the US Army Corps of Engineers. Comparison of elevation values across these legacy datums has involved examining historic hydrographic surveys, compiling a list of known benchmarks from these surveys, and comparing their elevation values against publications involving spirit-leveling surveys from the Lower Mississippi Valley and the National Geodetic Survey database for benchmarks. This study describes the history of legacy datums, floodplain geology, potential subsidence impacts affecting the benchmarks, methods for identification and tracking benchmarks, and the results obtained from this study.
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