Дисертації з теми "Free methods"
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Pekmen, Bengisen. "Derivative Free Multilevel Optimization Methods." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/12610853/index.pdf.
Повний текст джерелаMason, C. J. "Numerical methods for free boundary problems." Thesis, Imperial College London, 1985. http://hdl.handle.net/10044/1/37775.
Повний текст джерелаKubczyk, Tomasz Miroslaw. "Metal-free C-H functionalisation methods." Thesis, University of Strathclyde, 2016. http://digitool.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=27485.
Повний текст джерелаRees, M. D. "Moving point, particle and free-Lagrange methods." Thesis, University of Oxford, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.235079.
Повний текст джерелаSchopf, Patrick. "Development and application of free energy methods." Thesis, University of Southampton, 2013. https://eprints.soton.ac.uk/366938/.
Повний текст джерелаYakutovich, Mikhail. "Mesh-free methods for liquid crystal simulation." Thesis, Sheffield Hallam University, 2009. http://shura.shu.ac.uk/20580/.
Повний текст джерелаSilverberg, Jon P. "On Lagrangian meshless methods in free-surface flows." Thesis, (1.7 MB), 2005. http://edocs.nps.edu/AR/topic/theses/2005/Jan/05Jan_Silverberg.pdf.
Повний текст джерела"January 2005." Description based on title screen as viewed on May 25, 2010. DTIC Descriptor(s): Fluid Dynamics, Lagrangian Functions, Equations Of Motion, Acceleration, Formulations, Grids, Continuum Mechanics, Gaussian Quadrature, Derivatives (Mathematics), Compact Disks, Boundary Value Problems, Polynomials, Interpolation, Pressure, Operators (Mathematics). DTIC Identifier(s): Multimedia (CD-Rom), Moving Grids, Meshless Discretization, Lifs (Lagrange Implicit Fraction Step), Lagrangian Dynamics, Meshless Operators, Mlip (Multidimensional Lagrange Interpolating Polynomials), Flux Boundary Conditions, Radial Basis Functions Includes bibliographical references (58-59).
Brummelen, Einar Harald van. "Numerical methods for steady viscous free-surface flows." [S.l. : Amsterdam : s.n.] ; Universiteit van Amsterdam [Host], 2002. http://dare.uva.nl/document/64507.
Повний текст джерелаShaw, Katherine E. "Testing QM/MM Methods Using Free Energy Simulations." Thesis, University of Bristol, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.525442.
Повний текст джерелаSchraeder, Daniela. "Analytically divergence-free discretization methods for Darcy's problem." Thesis, University of Sussex, 2010. http://sro.sussex.ac.uk/id/eprint/2327/.
Повний текст джерелаBridgwater, Sally. "Accurate free energy methods for model organic solids." Thesis, University of Warwick, 2014. http://wrap.warwick.ac.uk/66466/.
Повний текст джерелаGao, Huina. "Analysis of distribution-free methods for revenue management." College Park, Md.: University of Maryland, 2008. http://hdl.handle.net/1903/8783.
Повний текст джерелаThesis research directed by: Robert H. Smith School of Business. Dept. of Decision and Information Technologies. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
Facchinetti, Alessandro <1991>. "Likelihood free methods for inference on complex models." Master's Degree Thesis, Università Ca' Foscari Venezia, 2020. http://hdl.handle.net/10579/17017.
Повний текст джерелаFernàndez, Méndez Sònia. ""Mesh-free methods and finite elements: friend or foe?"." Doctoral thesis, Universitat Politècnica de Catalunya, 2001. http://hdl.handle.net/10803/6705.
Повний текст джерелаHowever, in several situations the FE method is still more competitive: for instance, the computation of the FE shape functions and its integrals are less costly, and essential boundary conditions can be easily imposed. Thus, in order to take advantage of the good properties of both methods, a mixed interpolation combining FE and EFG is proposed. This formulation can be applied in two useful situations: (i) enrichment of finite elements with EFG, and (ii) coupling of FE and EFG. An a priori error estimate for the first one is presented and proved. Several examples show the applicability of the mixed interpolation in adaptive computations.
Aquesta tesi està dedicada a l'anàlisi numèrica dels mètodes sense malla i, en particular, a l'estudi dels possibles avantatges del mètode EFG (Element Free Galerkin) davant del ben conegut MEF (Mètode dels Elements Finits). Concretament, es comparen el mètode EFG i el MEF en dos problemes concrets d'interès: (1) l'anàlisi del bloqueig volumètric en problemes mecànics i (2) la resolució precisa de problemes transitoris amb convecció dominant. Les bones propietats i possibilitats dels mètodes sense malla es fan evidents en tots dos casos.
Tot i així, en varis aspectes el MEF resulta més competitiu: per exemple, el càlcul de les funcions de forma i de les seves integrals es menys costós, i les condicions de contorn essencials es poden imposar fàcilment. Amb l'objectiu d'aprofitar les bones qualitats dels dos mètodes, es proposa una interpolació mixta combinant elements finits y EFG, aplicable en dues situacions: (i) enriquiment d'elements finits amb EFG i (ii) acoblament d'elements finits i EFG. Per al primer cas, es presenta i demostra una cota a priori de l'error. L'aplicabilitat d'aquesta interpolació mixta en processos adaptatius es mostra amb varis exemples.
Esta tesis está dedicada al análisis numérico de los métodos sin malla y, en particular, al estudio de las posibles ventajas del método EFG (Element Free Galerkin) frente al bien conocido MEF (Método de los Elementos Finitos). Concretamente, se comparan el método EFG y el MEF en dos problemas concretos de interés: (1) el análisis del bloqueo volumétrico en problemas mecánicos y (2) la resolución precisa de problemas transitorios con convección dominante. Las buenas propiedades y posibilidades de los métodos sin malla se hacen evidentes en ambos casos.
Sin embargo, en varios aspectos el MEF resulta más competitivo: por ejemplo, el cálculo de las funciones de forma y sus integrales es menos costoso, y las condiciones de contorno esenciales se pueden imponer fácilmente. Con el objetivo de aprovechar las buenas cualidades de ambos métodos, se propone una interpolación mixta combinando elementos finitos y EFG, aplicable en dos situaciones: (i) enriquecimiento de elementos finitos con EFG, y (ii) acoplamiento de elementos finitos y EFG. Para el primer caso, se presenta y demuestra una cota a priori del error. La aplicabilidad de esta interpolación mixta en procesos adaptativos se muestra con varios ejemplos.
Sidahmed, Abdelmgid Osman Mohammed. "Mesh free methods for differential models in financial mathematics." Thesis, University of the Western Cape, 2011. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_3917_1319185202.
Повний текст джерелаArnarson, Teitur. "PDE methods for free boundary problems in financial mathematics." Doctoral thesis, KTH, Matematik (Inst.), 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4777.
Повний текст джерелаQC 20100630
Birkevold, Jens. "Divergence-free Isogeometric Methods for Flow in Porous Media." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for matematiske fag, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-19546.
Повний текст джерелаSöderström, Andreas. "Memory Efficient Methods for Eulerian Free Surface Fluid Animation." Doctoral thesis, Linköpings universitet, Institutionen för teknik och naturvetenskap, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-60852.
Повний текст джерелаBergström, Per. "Computational methods for shape verification of free-form surfaces." Doctoral thesis, Luleå tekniska universitet, Matematiska vetenskaper, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-17878.
Повний текст джерелаGodkänd; 2011; Bibliografisk uppgift: Sammanläggningsavhandling bestående av sju artiklar och en tillhörande kappa.; 20110509 (berper); DISPUTATION Ämnesområde: Teknisk-vetenskapliga beräkningar/Scientific Computing Opponent: Professor Mårten Gulliksson, Institutionen för naturvetenskap, teknik och matematik, Mittuniversitetet, Sundsvall Ordförande: Docent Inge Söderkvist, Institutionen för teknikvetenskap och matematik, Luleå tekniska universitet, Luleå Tid: Tisdag den 27 september 2011, kl 10.30 Plats: D2214-15, Luleå tekniska universitet
Brown, David. "The synthesis of amino acids by free radical methods." Thesis, University of Oxford, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.670245.
Повний текст джерелаAlkhateeb, Osama. "Singularity-Free Boundary Methods for Electrostatics and Wave Scattering." University of Akron / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=akron1334816052.
Повний текст джерелаCummings, Rebecca. "Development and application of label free quantitative proteomic methods." Thesis, University of Liverpool, 2012. http://livrepository.liverpool.ac.uk/8313/.
Повний текст джерелаZhang, Yubo. "Moving mesh methods for viscoelastic flows with free boundaries." HKBU Institutional Repository, 2009. http://repository.hkbu.edu.hk/etd_ra/1072.
Повний текст джерелаAmon, Lynn. "Methods for calculating the free energy of atomic clusters /." Thesis, Connect to this title online; UW restricted, 2000. http://hdl.handle.net/1773/8595.
Повний текст джерелаNeuerman, Robert A. "Simulation and design methods for free-electron laser systems." Thesis, Monterey, California : Naval Postgraduate School, 2009. http://edocs.nps.edu/npspubs/scholarly/theses/2009/Dec/09Dec%5FNeuerman.pdf.
Повний текст джерелаThesis Advisor(s): Colson, William B. ; Blau, Joseph. "December 2009." Description based on title screen as viewed on January 28, 2010. Author(s) subject terms: Free-electron lasers, FEL simulations, undulators, FEL oscillators, FEL amplifiers, diamond field-emitter arrays, field emission cathodes, cathode test cell. Includes bibliographical references (p. 45). Also available in print.
Olsson, Per-Magnus. "Methods for Network Optimization and Parallel Derivative-free Optimization." Doctoral thesis, Linköpings universitet, Optimeringslära, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-104110.
Повний текст джерелаJoussef, Antonio Carlos. "Free radical methods for synthesis of biologically important compounds." reponame:Repositório Institucional da UFSC, 1990. https://repositorio.ufsc.br/handle/123456789/111799.
Повний текст джерелаAkyazi, Fatma Dilay. "Element-free Galerkin Method For Plane Stress Problems." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12611685/index.pdf.
Повний текст джерелаMinter, Sam. "Speech on College Campuses: Methods, Motives, and Movements." Scholarship @ Claremont, 2017. http://scholarship.claremont.edu/cmc_theses/1698.
Повний текст джерелаHursit, Adem E. "Applications of conformal methods to relativistic trace-free matter models." Thesis, Queen Mary, University of London, 2018. http://qmro.qmul.ac.uk/xmlui/handle/123456789/36674.
Повний текст джерелаZhang, Zan. "Numerial development of an improved element-free Galerkin method for engineering analysis /." access full-text access abstract and table of contents, 2009. http://libweb.cityu.edu.hk/cgi-bin/ezdb/thesis.pl?phd-bc-b23750613f.pdf.
Повний текст джерела"Submitted to the Department of Building and Construction in partial fulfillment of the requirements for the degree of Doctor of Philosophy." Includes bibliographical references (leaves [170]-184)
Lee, Haegyun. "Level-set finite element simulation of free-surface flow." Diss., University of Iowa, 2007. http://ir.uiowa.edu/etd/168.
Повний текст джерелаVidal, Seguí Yolanda. "Mesh-Free Methods for Dynamic Problems. Incompressibility and Large Strain." Doctoral thesis, Universitat Politècnica de Catalunya, 2005. http://hdl.handle.net/10803/6709.
Повний текст джерелаFirst of all, this thesis dedicates one chapter to the state of the art of mesh-free methods. The main reason is because there are many mesh-free methods that can be found in the literature which can be based on different ideas and with different properties. There is a real need of classifying, ordering and comparing these methods: in fact, the same or almost the same method can be found with different names in the literature.
Secondly, a novel improved formulation of the (EFG) method is proposed in order to alleviate volumetric locking. It is based on a pseudo-divergence-free interpolation. Using the concept of diffuse derivatives an a convergence theorem of these derivatives to the ones of the exact solution, the new approximation proposed is obtained imposing a zero diffuse divergence. In this way is guaranteed that the method verifies asymptotically the incompressibility condition and in addition the imposition can be done a priori. This means that the main difference between standard EFG and the improved method is how is chosen the interpolation basis. Modal analysis and numerical results for two classical benchmark tests in solids corroborate that, as expected, diffuse derivatives converge to the derivatives of the exact solution when the discretization is refined (for a fixed dilation parameter) and, of course, that diffuse divergence converges to the exact divergence with the expected theoretical rate. For standard EFG the typical convergence rate is degrade as the incompressible limit is approached but with the improved method good results are obtained even for a nearly incompressible case and a moderately fine discretization. The improved method has also been used to solve the Stokes equations. In this case the LBB condition is not explicitly satisfied because the pseudo-divergence-free approximation is employed. Reasonable results are obtained in spite of the equal order interpolation for velocity and pressure.
Finally, several techniques have been developed in the past to solve the well known tensile instability in the SPH (Smooth Particle Hydrodynamics) mesh-free method. It has been proved that a Lagrangian formulation removes completely the instability (but zero energy modes exist). In fact, Lagrangian SPH works even better than the Finite Element Method in problems involving distortions. Nevertheless, in problems with very large distortions a Lagrangian formulation will need of frequent updates of the reference configuration. When such updates are incorporated then zero energy modes are more likely to be activated. When few updates are carried out the error is small but when updates are performed frequently the solution is completely spoilt because of the zero energy modes. In this thesis an updated Lagrangian formulation is developed. It allows to carry out updates of the reference configuration without suffering the appearance of spurious modes. To update the Lagrangian formulation an incremental approach is used: an intermediate configuration will be the new reference configuration for the next time steps. It has been observed that this updated formulation suffers from similar numerical fracture to the Eulerian case. A modal analysis has proven that there exist zero energy modes. In the paper the updated Lagrangian method is exposed in detail, a stability analysis is performed and finally a stabilization technique is incorporated to preclude spurious modes.
Arakelyan, Avetik. "The Finite Difference Methods for Multi-phase Free Boundary Problems." Doctoral thesis, KTH, Matematik (Avd.), 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-33543.
Повний текст джерелаQC 20110510
Parkinson, Steven. "Modelling free-surface flow with bathymetry variation using spectral methods." Thesis, University of Bristol, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.570859.
Повний текст джерелаWoods, Christopher J. "The development of free energy methods for protein-ligand complexes." Thesis, University of Southampton, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.396741.
Повний текст джерелаWall, Ian. "New simulation methods for the prediction of binding free energies." Thesis, University of Southampton, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.313217.
Повний текст джерелаPihlblad, Alma. "Development and comparison of bioanalytical methods to measure free analyte." Thesis, Uppsala universitet, Institutionen för biologisk grundutbildning, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-413669.
Повний текст джерелаZhang, Jiapu. "Derivative-free hybrid methods in global optimization and their applications." Thesis, University of Ballarat, 2005. http://researchonline.federation.edu.au/vital/access/HandleResolver/1959.17/34054.
Повний текст джерелаDoctor of Philosophy
Shola, Peter Bamidele. "Numerical solution of a free-boundary viscous flow." Thesis, University of Essex, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.256393.
Повний текст джерелаMuthedath, Premkumar. "Numerical study of nonlinear free-surface flows." Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-07212009-040300/.
Повний текст джерелаDobie, Christopher George. "A Study of Bulk Free-Radical Photo Copolymerisation and Surfactant Free Emulsion Polymerisation Using Intensified Processing Methods." Thesis, University of Newcastle Upon Tyne, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.512198.
Повний текст джерелаArtale, Valeria. "Level-Set Ghost Fluid Methods for Free Boundary Problems in Incompressible Euler and Navier-Stokes Equations." Doctoral thesis, Università di Catania, 2012. http://hdl.handle.net/10761/1106.
Повний текст джерелаRefsnæs, Runar Heggelien. "Matrix-Free Conjugate Gradient Methods for Finite Element Simulations on GPUs." Thesis, Norges Teknisk-Naturvitenskaplige Universitet, Institutt for fysikk, 2010. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-10826.
Повний текст джерелаA block-structured approach for solving 2-dimensional finite element approximations of the Poisson equation on graphics processing units(GPUs) is developed. Linear triangular elements are used, and a matrix-free version of the conjugate gradient method is utilized for solving test problems with over 30 million elements. A speedup of 24 is achieved on a NVIDIA Tesla C1060 GPU when compared to a serial CPU version of the same solution approach, and a comparison is made with previous GPU implementations of the same problem.
Akteke, Basak. "Derivative Free Optimization Methods: Application In Stirrer Configuration And Data Clustering." Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/2/12606591/index.pdf.
Повний текст джерелаs design variables is not directly available. This nonlinear objective function is obtained from the flow field by the flow solver. We present and interpret numerical results of this implementation. Moreover, a contribution is given to a survey and a distinction of DFO research directions, to an analysis and discussion of these. We also state a derivative free algorithm used within a clustering algorithm in combination with non-smooth optimization techniques to reveal the effectiveness of derivative free methods in computations. This algorithm is applied on some data sets from various sources of public life and medicine. We compare various methods, their practical backgrounds, and conclude with a summary and outlook. This work may serve as a preparation of possible future research.
Cossins, Benjamin Philip. "The Use of Fast Free Energy Methods in Rational Drug Design." Thesis, University of Southampton, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.485031.
Повний текст джерелаMjörner, Patrik, and Erik Bosrup. "Alternative methods of financing software : Replacing illegal copying with free copying." Thesis, Blekinge Tekniska Högskola, Avdelningen för programvarusystem, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-4177.
Повний текст джерелаMjukvaruindustrins största och allvarligaste problem är piratkopiering. De flesta försökt att få bukt med piratkopieringsproblemet har misslyckats. Alternativa metoder för att försöka lösa piratkopieringsproblemet måste därför hittas. Ett alternativt sätt att lösa piratkopieringsproblemet på är med hjälp av alternativa finansieringsmetoder för programvara. De alternativa finansieringsmetoderna använder sig av mjukvaras speciella egenarter som extremt låg reproduktionskostnad och enkelheten att enkelt göra perfekta kopior. Dessa alternativa finansieringsmetoder försöker hitta andra källor för inkomst än försäljningen av licenser. Många alternativa finansieringsmetoder finns. Dessa är tillämpbara och lämpliga i olika situationer och ingen universell lösning finns. Det dessa metoder har gemensamt är att programvarans användare fritt kan kopiera programvaran och använda den utan att behöva köpa en licens. Då de alternativa finansieringsmetoderna har olika positiva och negative påverkningar på sina användare ges tillfälle att kunna kombinera modeller.
Hasan, Salah. "Methods to extend the mold free shelf life of pizza crusts." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp04/mq29712.pdf.
Повний текст джерелаSchug, Alexander. "Free energy simulations using stochastic optimization methods for protein structure prediction." Karlsruhe : FZKA, 2005. http://bibliothek.fzk.de/zb/berichte/FZKA7171.pdf.
Повний текст джерелаḤasan, Ṣalāḥ 1964. "Methods to extend the mold free shelf life of pizza crusts." Thesis, McGill University, 1997. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=27337.
Повний текст джерелаThe effects of various methods of applying potassium sorbate into pizza crusts via direct incorporation into the batter, surface spraying, and impregnation of packaging material with potassium sorbate to control mold spoilage of pizza crusts were also investigated. Results showed that the antimicrobial effect of potassium sorbate was negligible when the packaging material was impregnated with the inhibitor but more pronounced when it was incorporated directly into the dough or sprayed onto the product's surface. The inhibitory effect of potassium sorbate increased as both the pH and the inoculum level decreased.
Shelf life studies using low concentrations of potassium sorbate (1000 and 2000 p.p.m.) and MAP, alone and in combination with each other, showed that potassium sorbate, gas packaging or oxygen absorbents (Ageless FX) could extend the shelf life of pizza crusts and decrease the growth rate of molds, bacteria and yeast. Furthermore, when pizza crusts were packaged in 60% CO$ sb2$ or with an oxygen absorbent, in combination with potassium sorbate (1000-2000 p.p.m.), a shelf life of 42d was possible without compromising the sensory shelf life of the product. (Abstract shortened by UMI.)