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Relevant bibliographies by topics / Kirchhoff equation

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Academic literature on the topic 'Kirchhoff equation'

Author: Grafiati

Published: 4 June 2021

Last updated: 15 February 2022

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Journal articles on the topic "Kirchhoff equation"

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Ghorbaniasl, Ghader, Leonidas Siozos-Rousoulis, and Chris Lacor. "A time-domain Kirchhoff formula for the convective acoustic wave equation." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 472, no. 2187 (2016): 20150689. http://dx.doi.org/10.1098/rspa.2015.0689.

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Kirchhoff’s integral method allows propagated sound to be predicted, based on the pressure and its derivatives in time and space obtained on a data surface located in the linear flow region. Kirchhoff’s formula for noise prediction from high-speed rotors and propellers suffers from the limitation of the observer located in uniform flow, thus requiring an extension to arbitrarily moving media. This paper presents a Kirchhoff formulation for moving surfaces in a uniform moving medium of arbitrary configuration. First, the convective wave equation is derived in a moving frame, based on the genera

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Rzymowski, Witold. "One-dimensional Kirchhoff equation." Nonlinear Analysis: Theory, Methods & Applications 48, no. 2 (2002): 209–21. http://dx.doi.org/10.1016/s0362-546x(00)00181-4.

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Azzollini, A. "A note on the elliptic Kirchhoff equation in ℝN perturbed by a local nonlinearity". Communications in Contemporary Mathematics 17, № 04 (2015): 1450039. http://dx.doi.org/10.1142/s0219199714500394.

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In this note, we complete the study made in [The elliptic Kirchhoff equation in ℝN perturbed by a local nonlinearity, Differential Integral Equations 25 (2012) 543–554] on a Kirchhoff type equation with a Berestycki–Lions nonlinearity. We also correct Theorem 0.6 inside.

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Hokstad, Ketil. "Multicomponent Kirchhoff migration." GEOPHYSICS 65, no. 3 (2000): 861–73. http://dx.doi.org/10.1190/1.1444783.

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This paper presents a method for elastic and viscoelastic imaging of multicomponent seismic data. The method is based on Claerbout’s survey‐sinking concept and the (visco)elastic Kirchhoff integral for the displacement field. Assuming a multishot and multireceiver experiment, the migration process is formulated as a wavefield reconstruction problem, using the (visco)elastic Kirchhoff integral twice. First, the receiver coordinates are downward continued. Second, the source coordinates are downward continued. The multicomponent seismic data are treated as a vector wavefield in which the data me

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Dawidowski, Łukasz. "The quasilinear parabolic kirchhoff equation." Open Mathematics 15, no. 1 (2017): 382–92. http://dx.doi.org/10.1515/math-2017-0036.

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Abstract In this paper the existence of solution of a quasilinear generalized Kirchhoff equation with initial – boundary conditions of Dirichlet type will be studied using the Leray – Schauder principle.

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Gray, Samuel H., and William P. May. "Kirchhoff migration using eikonal equation traveltimes." GEOPHYSICS 59, no. 5 (1994): 810–17. http://dx.doi.org/10.1190/1.1443639.

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The use of ray shooting followed by interpolation of traveltimes onto a regular grid is a popular and robust method for computing diffraction curves for Kirchhoff migration. An alternative to this method is to compute the traveltimes by directly solving the eikonal equation on a regular grid, without computing raypaths. Solving the eikonal equation on such a grid simplifies the problem of interpolating times onto the migration grid, but this method is not well defined at points where two different branches of the traveltime field meet. Also, computational and data storage issues that are relat

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D. Araruna, F., F. O. Matias, M. P. Matos, and S. M. S. Souza. "Hidden regularity for the Kirchhoff equation." Communications on Pure & Applied Analysis 7, no. 5 (2008): 1049–56. http://dx.doi.org/10.3934/cpaa.2008.7.1049.

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Hirosawa, Fumihiko. "Degenerate Kirchhoff equation in ultradifferentiable class." Nonlinear Analysis: Theory, Methods & Applications 48, no. 1 (2002): 77–94. http://dx.doi.org/10.1016/s0362-546x(00)00174-7.

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Kroode, Fons ten. "A wave-equation-based Kirchhoff operator." Inverse Problems 28, no. 11 (2012): 115013. http://dx.doi.org/10.1088/0266-5611/28/11/115013.

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D'Ancona, Piero, and Sergio Spagnolo. "Nonlinear perturbations of the kirchhoff equation." Communications on Pure and Applied Mathematics 47, no. 7 (1994): 1005–29. http://dx.doi.org/10.1002/cpa.3160470705.

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Dissertations / Theses on the topic "Kirchhoff equation"

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Medeiros, Luiz Adauto, and Juan Límaco. "On the Kirchhoff equation in noncylindrical domains of R." Pontificia Universidad Católica del Perú, 2014. http://repositorio.pucp.edu.pe/index/handle/123456789/97270.

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Meyer, Arnd. "Hierarchical Preconditioners and Adaptivity for Kirchhoff-Plates." Universitätsbibliothek Chemnitz, 2008. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-200801284.

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Narciso, Vando. "Atratores para uma classe de equações de vigas extensíveis fracamente dissipativas." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/55/55135/tde-13072010-155835/.

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Este trabalho contém resultados sobre a existência, unicidade e comportamento assintótico de soluções para uma equação de viga não linear do tipo Kirchhoff, \'u IND. tt\' \'+ \'DELTA\' POT. 2\' u - M(\'INT.IND. OMEGA\' | \'NABLA\' u| 2 dx) \'DELTA\' u+ f (\'u IND. t\' ) +g(u) = h em × R +, onde \'R POT. N\' é um domínio limitado com fronteira regular \\GAMA. Essa equação é um modelo matemático para pequenas vibrações transversais de vigas ou placas extensíveis. O termo não local M(\'INT.IND. OMEGA\' | \\NABLA u |2 dx) u está relacionado à variação de tensão na viga devida à sua extensib

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Bensedik, Ahmed. "Sur quelques problèmes elliptiques de type Kirchhoff et dynamique des fluides." Phd thesis, Université Jean Monnet - Saint-Etienne, 2012. http://tel.archives-ouvertes.fr/tel-00971279.

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Cette thèse est composée de deux parties indépendantes. La première est consacrée à l'étude de quelques problèmes elliptiques de type de Kirchhoff de la forme suivante : -M(ʃΩNul² dx) Δu = f(x, u) xЄΩ ; u(x) = o xЄƋΩ où Ω cRN, N ≥ 2, f une fonction de Carathéodory et M une fonction strictement positive et continue sur R+. Dans le cas où la fonction f est asymptotiquement linéaire à l'infini par rapport à l'inconnue u, on montre, en combinant une technique de troncature et la méthode variationnelle, que le problème admet au moins une solution positive quand la fonction M est non décroissante. E

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Rakesh, Arora. "Fine properties of solutions for quasi-linear elliptic and parabolic equations with non-local and non-standard growth." Thesis, Pau, 2020. http://www.theses.fr/2020PAUU3021.

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Dans cette thèse, nous étudions les propriétés fines des solutions d'équations elliptiques et paraboliques quasi-linéaires impliquant une croissance non locale et non standard. Nous nous sommes concentrés sur trois différents types d’équations aux dérivées partielles (EDP).Dans un premier temps, nous étudions les propriétés qualitatives des solutions faibles et fortes d’équations d'évolution comportant des termes à croissance non-standard. La motivation de l'étude de ces types d'équations réside dans la modélisation de caractéristiques anisotropes se produisant dans les modèles de fluides élec

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Larsson, Karl. "Finite Element Methods for Thin Structures with Applications in Solid Mechanics." Doctoral thesis, Umeå universitet, Institutionen för matematik och matematisk statistik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-79297.

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Thin and slender structures are widely occurring both in nature and in human creations. Clever geometries of thin structures can produce strong constructions while requiring a minimal amount of material. Computer modeling and analysis of thin and slender structures have their own set of problems, stemming from assumptions made when deriving the governing equations. This thesis deals with the derivation of numerical methods suitable for approximating solutions to problems on thin geometries. It consists of an introduction and four papers. In the first paper we introduce a thread model for use i

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Drogoul, Audric. "Méthode du gradient topologique pour la détection de contours et de structures fines en imagerie." Thesis, Nice, 2014. http://www.theses.fr/2014NICE4063/document.

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Cette thèse porte sur la méthode du gradient topologique appliquée au traitement d'images. Principalement, on s'intéresse à la détection d'objets assimilés, soit à des contours si l'intensité de l'image à travers la structure comporte un saut, soit à une structure fine (filaments et points en 2D) s'il n'y a pas de saut à travers la structure. On commence par généraliser la méthode du gradient topologique déjà utilisée en détection de contours pour des images dégradées par du bruit gaussien, à des modèles non linéaires adaptés à des images contaminées par un processus poissonnien ou du bruit de

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Nemati, Navid. "Theorie macroscopique de propagation du son dans les milieux poreux 'à structure rigide permettant la dispersion spatiale: principe et validation." Phd thesis, Université du Maine, 2012. http://tel.archives-ouvertes.fr/tel-00848603.

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Ce travail présente et valide une théorie nonlocale nouvelle et généralisée, de la propagation acoustique dans les milieux poreux à structure rigide, saturés par un fluide viscothermique. Cette théorie linéaire permet de dépasser les limites de la théorie classique basée sur la théorie de l'homogénéisation. Elle prend en compte non seulement les phénomènes de dispersion temporelle, mais aussi ceux de dispersion spatiale. Dans le cadre de la nouvelle approche, une nouvelle procédure d'homogénéisation est proposée, qui permet de trouver les propriétés acoustiques à l'échelle macroscopique, en ré

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Nascimento, Rubia Gonçalves. "Problemas elipticos não-locais do tipo p-Kirchhoff." [s.n.], 2008. http://repositorio.unicamp.br/jspui/handle/REPOSIP/307127.

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Orientadores: Francisco Julio Sobreira de Araujo Correa, Djairo Guedes de Figueiredo<br>Tese (doutorado) - Universidade Estadual de Campinas, Instituto de Matematica, Estatistica e Computação Cientifica<br>Made available in DSpace on 2018-08-09T23:52:44Z (GMT). No. of bitstreams: 1 Nascimento_RubiaGoncalves_D.pdf: 676237 bytes, checksum: b58f8b79d9e983ceccee3865787cfec0 (MD5) Previous issue date: 2008<br>Resumo: Neste trabalho usaremos algumas técnicas da Análise Funcional não-linear para estudar a existência de soluções para a seguinte classe de problemas ... Observação: O resumo na íntegra

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Campeão, Diego Esteves. "Otimização topológica de placas de Kirchhoff." Laboratório de Computação Científica, 2012. https://tede.lncc.br/handle/tede/145.

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Made available in DSpace on 2015-03-04T18:57:41Z (GMT). No. of bitstreams: 1 MScCampeao.pdf: 730731 bytes, checksum: 93bde1355e901654a01dbd2a0138fe35 (MD5) Previous issue date: 2012-01-09<br>Conselho Nacional de Desenvolvimento Cientifico e Tecnologico<br>In this work a methodology for the compliance topology design of Kirchhoff plates with volume constraint using topological derivative is presented. The topological derivative measures the sensitivity of a given shape functional with respect to an infinitesimal singular domain perturbation, such as the insertion of holes, inclusions, sourc

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Books on the topic "Kirchhoff equation"

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Zeitlin, Vladimir. Vortex Dynamics on the f and beta Plane and Wave Radiation by Vortices. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198804338.003.0006.

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Quasi-geostrophic dynamics being essentially the vortex dynamics, the main notions of vortex dynamics in the plane are introduced in this chapter. Dynamics of vorticity is treated both in Eulerian and Lagrangian descriptions. Dynamics of point vortices and vortex patches (contour dynamics) are recalled, as well as discretisations of the vorticity equation preserving Casimir invariants, which reflect Lagrangian conservation of vorticity. The influence of the beta effect upon vortices is illustrated, and exact modon solutions of the QG equations on the f and beta planes are constructed. Basic no

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Sherwood, Dennis, and Paul Dalby. Enthalpy and thermochemistry. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198782957.003.0006.

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Definition and mathematics of enthalpy. Definition of heat capacity at constant pressure as CP = (∂H/∂T)V. Endothermic and exothermic reactions. Role of the change in enthalpy as regards the direction and spontaneity of a change in state. Enthalpy changes and phase changes. Measuring enthalpy changes by calorimetry. Hess’s law of constant heat formation. Chemical standards and standard states. Standard enthalpies of formation, ionic enthalpies and bond energies. How the change in enthalpy varies with temperature. Kirchhoff’s equations. Applications of thermochemistry to a variety of worked exa

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Book chapters on the topic "Kirchhoff equation"

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Matsuyama, Tokio, and Michael Ruzhansky. "Global Well-Posedness of the Kirchhoff Equation and Kirchhoff Systems." In Springer Proceedings in Mathematics & Statistics. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-12148-2_5.

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Matsuyama, Tokio, and Michael Ruzhansky. "The Kirchhoff Equation with Gevrey Data." In Trends in Mathematics. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-48812-7_40.

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Contoyiannis, Y., P. Papadopoulos, M. Kampitakis, S. M. Potirakis, and N. L. Matiadou. "ϕ 4 Solitons in Kirchhoff Wave Equation." In Nonlinear Analysis, Differential Equations, and Applications. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-72563-1_4.

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Marinov, Tchavdar T., and Rossitza Marinova. "An Inverse Problem for the Stationary Kirchhoff Equation." In Large-Scale Scientific Computing. Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-29843-1_68.

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Michels, Dominik L., Dmitry A. Lyakhov, Vladimir P. Gerdt, Gerrit A. Sobottka, and Andreas G. Weber. "On the Partial Analytical Solution of the Kirchhoff Equation." In Computer Algebra in Scientific Computing. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-24021-3_24.

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Ambrosio, Vincenzo. "Concentrating Solutions for a Fractional Kirchhoff Equation with Critical Growth." In Nonlinear Fractional Schrödinger Equations in R^N. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60220-8_12.

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Ambrosio, Vincenzo. "Multiplicity and Concentration of Positive Solutions for a Fractional Kirchhoff Equation." In Nonlinear Fractional Schrödinger Equations in R^N. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60220-8_11.

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Ambrosio, Vincenzo. "A Multiplicity Result for a Fractional Kirchhoff Equation with a General Nonlinearity." In Nonlinear Fractional Schrödinger Equations in R^N. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-60220-8_10.

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Liebold, Christian, and Belal M. Dawwas. "Numerical Solution of the Tri-harmonic Kirchhoff Plate Equation Resulting from a Strain Gradient Theory." In Advanced Structured Materials. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-13307-8_20.

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Figueiredo, Giovany M., and Antonio Suárez. "The sub-supersolution method for Kirchhoff systems: applications." In Contributions to Nonlinear Elliptic Equations and Systems. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-19902-3_14.

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Conference papers on the topic "Kirchhoff equation"

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Li, Zhiming, Chen‐Bin Su, Wes Bauske, and Sharma Tadepalli. "Kirchhoff or wave equation?" In SEG Technical Program Expanded Abstracts 2003. Society of Exploration Geophysicists, 2003. http://dx.doi.org/10.1190/1.1817439.

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Etgen, John T. "3D Wave Equation Kirchhoff Migration." In SEG Technical Program Expanded Abstracts 2012. Society of Exploration Geophysicists, 2012. http://dx.doi.org/10.1190/segam2012-0755.1.

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MATSUYAMA, TOKIO. "ASYMPTOTIC BEHAVIOUR FOR KIRCHHOFF EQUATION." In Proceedings of the 5th International ISAAC Congress. WORLD SCIENTIFIC, 2009. http://dx.doi.org/10.1142/9789812835635_0051.

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Kosloff, D., Z. Koren, A. Litiv, E. Ragoza, and A. Zuev. "Kirchhoff vs. Wave Equation Pre Stack Depth Migration." In 64th EAGE Conference & Exhibition. European Association of Geoscientists & Engineers, 2002. http://dx.doi.org/10.3997/2214-4609-pdb.5.e026.

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Pu, Yu, Gang Liu, Diancheng Wang, Hui Huang, and Ping Wang. "Wave-equation traveltime and amplitude for Kirchhoff migration." In First International Meeting for Applied Geoscience & Energy. Society of Exploration Geophysicists, 2021. http://dx.doi.org/10.1190/segam2021-3583642.1.

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Etgen, J. T. "Is Wave Equation Migration Ready to Replace Kirchhoff Migration." In 64th EAGE Conference & Exhibition. European Association of Geoscientists & Engineers, 2002. http://dx.doi.org/10.3997/2214-4609-pdb.5.e025.

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Jin, Hu, and John Etgen. "Evaluating Kirchhoff migration using wave-equation generated maximum amplitude traveltimes." In SEG Technical Program Expanded Abstracts 2020. Society of Exploration Geophysicists, 2020. http://dx.doi.org/10.1190/segam2020-3425618.1.

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Charrette, E. E. "Ray equation‐based Kirchhoff prestack depth migration on the nCUBE." In SEG Technical Program Expanded Abstracts 1991. Society of Exploration Geophysicists, 1991. http://dx.doi.org/10.1190/1.1888925.

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Fu, Li‐Yun. "Born dispersion equation and Kirchhoff migration in laterally heterogeneous media." In SEG Technical Program Expanded Abstracts 2002. Society of Exploration Geophysicists, 2002. http://dx.doi.org/10.1190/1.1816842.

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Arntsen, Børge, and Tage Røsten. "Wave equation versus Kirchhoff prestack depth migration of OBC data." In SEG Technical Program Expanded Abstracts 2002. Society of Exploration Geophysicists, 2002. http://dx.doi.org/10.1190/1.1816879.

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