Dissertations / Theses on the topic 'La probabilité de diffusion'
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Vervisch, Luc. "Prise en compte d'effets de cinétique chimique dans les flammes de diffusion turbulentes par l'approche fonction densité de probabilité." Rouen, 1991. http://www.theses.fr/1991ROUES053.
Full textFournier, Paulin. "Parameterized verification of networks of many identical processesVérification paramétrée de réseaux composés d'une multitude de processus identiques." Thesis, Rennes 1, 2015. http://www.theses.fr/2015REN1S170/document.
Full textThis thesis deals with formal verification of distributed systems. Model checking is a technique for verifying that the model of a system under study fulfills a given property. This PhD investigates the parameterized verification of networks composed of many identical processes for which the number of processes is the parameter. Considering networks of probabilistic timed protocols, we show that the parameterized reachability and synchronization problems are undecidable when the communication topology is a clique. However, assuming probabilistic creation and deletion of processes, the problems become decidable. Regarding selective networks, where the messages only reach a subset of the components, we show decidability of the parameterized reachability problem thanks to reduction to a new model of distributed two-player games for which we prove decidability in coNP of the game problem. Finally, we consider local strategies that enforce all processes to resolve the non-determinism only according to their own local knowledge. Under this assumption of local strategy, we were able to show that the parameterized reachability and synchronization problems are NP-complete
Schüring, Andreas. "The probability that a molecule enters a porous crystal." Universitätsbibliothek Leipzig, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-193589.
Full textEvans, Denis J., Debra J. Searles, and Stephen R. Williams. "A simple mathematical proof of boltzmann's equal a priori probability hypothesis." Universitätsbibliothek Leipzig, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-190362.
Full textSu, Fei. "Statistical analysis of non-linear diffusion process." Diss., University of Iowa, 2011. https://ir.uiowa.edu/etd/2776.
Full textSimon, Marielle. "Problèmes de diffusion pour des chaînes d'oscillateurs harmoniques perturbées." Phd thesis, Ecole normale supérieure de lyon - ENS LYON, 2014. http://tel.archives-ouvertes.fr/tel-01061443.
Full textSchüring, Andreas. "The probability that a molecule enters a porous crystal." Diffusion fundamentals 6 (2007) 32, S. 1-2, 2007. https://ul.qucosa.de/id/qucosa%3A14209.
Full textEvans, Denis J., Debra J. Searles, and Stephen R. Williams. "A simple mathematical proof of boltzmann's equal a priori probability hypothesis." Diffusion fundamentals 11 (2009) 57, S. 1-8, 2009. https://ul.qucosa.de/id/qucosa%3A14022.
Full textHeidernätsch, Mario, Daniela Täuber, Christian von Borczyskowski, and Günter Radons. "Investigations of heterogeneous diffusion based on the probability density of scaled squared displacements observed from single molecules in ultra-thin liquid films." Universitätsbibliothek Leipzig, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-191677.
Full textBailleul, Ismaël. "Frontière de Poisson d'une diffusion relativiste." Paris 11, 2006. http://www.theses.fr/2006PA112251.
Full textIn this PhD thesis, we study the asymptotic behaviour of a diffusion defined on minkowski's spacetime. The analytic counterpart of this problem is to determine the set of bounded functions belonging to the kernel of some second order differential operator. Using probabilistic methods (stochastic differential equations, coupling), one gives an explicit description of this set of functions. In the same time, one give a completely different proof of this result, in the spirit of preexisting works on random walks on groups. Besides, one shows how the geometry of spacetime reflects on the asymptotic behaviour of the diffusion. In some sense, a typical (random) trajectory eventually behaves as a light ray
Correia, Cristiana Amaral. "Optimal reinsurance in a diffusion setting." Master's thesis, Instituto Superior de Economia e Gestão, 2021. http://hdl.handle.net/10400.5/22814.
Full textThe business of insurance companies is to take on the risk of policyholders (individuals or companies), receiving in return the payment of a premium. In order to protect themselves against big losses, and not be at risk of insolvency, insurance companies usually reinsure part of their portfolio by transferring part of the risk taken to another insurance company. Reinsurance works, in this way, as the insurance of the insurer itself. The optimal reinsurance problem aims at answering two fundamental questions: (i) What type of reinsurance contract should be done; (ii) how much risk should be transferred to the reinsurance company. This master’s final work, seeks to find the optimal reinsurance for 3 different optimality criterion: (i) minimizing the probability of ruin occurring in infinite time; (ii) maximizing the expected value; and (iii) minimizing the variance of the process. To obtain the optimal reinsurance treaty, the classic risk model of Crámer and Lundberg is approximated by a diffusion process which is described by a Brownian motion process. The surplus Brownian motion process is defined by parameters that incorporate several characteristics of the underlying Crámer-Lundberg process, including the different premium calculation principles and the different types of reinsurance treaties. In this work, the reinsurance treaties under study are the proportional quota-share treaty and the non-proportional excess of loss treaty, and the premium calculation principle considered by both, the first insurer and the reinsurer, is the expected value principle. After building the model, the probability of ruin is analysed. The present study addresses this moment of ruin, i.e., when the surplus process hits zero or negative values, in continuous time and infinite time horizon. The optimal reinsurance strategy is obtained numerically and a sensitivity analysis is made, using Mathematica software.
A atividade de qualquer companhia de seguros é aceitar o risco dos seus segurados (sejam pessoas físicas ou jurídicas), recebendo em troca o pagamento de um prémio. Com o intuito de se protegerem face a grandes perdas, as seguradoras podem ressegurar parte da sua carteira transferindo parte do risco para outra seguradora, diminuindo assim o risco de insolvência. O resseguro funciona, desta forma, como o seguro da própria seguradora. O problema da otimização do resseguro visa responder a duas questões fundamentais: (i) Que tipo de contrato de resseguro deve ser feito; (ii) Quanto risco deve ser transferido para a resseguradora. O presente trabalho final de mestrado, procura encontrar o resseguro ótimo para 3 critérios de otimalidade diferentes: (i) minimizando a probabilidade de ruína ocorrer no tempo infinito; (ii) maximizando o valor esperado do processo; e (iii) minimizando a variância do processo. Para obter o tratado de resseguro ótimo, o modelo de risco clássico de Crámer e Lundberg é aproximado por um processo de difusão, que é descrito por um processo Brownian motion. O surplus Brownian motion process é definido por parâmetros que incorporam várias características do processo Crámer-Lundberg subjacente, incluindo os diferentes princípios de cálculo de prémio e os diferentes tipos de tratados de resseguro. Neste trabalho vamos focar a análise nos tratados de resseguro proporcional quota-share e não proporcional excess of loss. O princípio de cálculo do prémio considerado, quer para a primeira seguradora quer para a resseguradora é o princípio do valor esperado. Após a construção do modelo, a probabilidade de ruína é analisada. O presente estudo trata desse momento de ruína quando o surplus process atinge valores nulos ou negativos, em tempo contínuo e num horizonte temporal infinito. Através do software Mathematica, é obtida numericamente a estratégia ótima de resseguro e é realizada uma análise de sensibilidade.
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Almada, Monter Sergio Angel. "Scaling limit for the diffusion exit problem." Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/39518.
Full textBaert, Anne-Elisabeth. "Graphes aléatoires et diffusion dans les réseaux cellulaires : modélisation combinatoire et probabiliste." Amiens, 2003. http://www.theses.fr/2003AMIE0304.
Full textOffret, Yoann. "Dynamique de diffusions inhomogènes sous des conditions d'invariance d'échelle." Phd thesis, Université Rennes 1, 2012. http://tel.archives-ouvertes.fr/tel-00730606.
Full textReveillon, Julien. "Simulation dynamique des grandes structures appliquée aux flammes turbulentes non-prémélangées." Rouen, 1996. http://www.theses.fr/1996ROUES071.
Full textHeidernätsch, Mario, Daniela Täuber, Christian von Borczyskowski, and Günter Radons. "Investigations of heterogeneous diffusion based on the probability density of scaled squared displacements observed from single molecules in ultra-thin liquid films." Diffusion fundamentals 11 (2009) 104, S. 1-14, 2009. https://ul.qucosa.de/id/qucosa%3A14078.
Full textTariel, Vincent. "Image analysis of cement paste: relation to diffusion transport." Phd thesis, Ecole Polytechnique X, 2009. http://tel.archives-ouvertes.fr/tel-00516939.
Full textKarlsson, John. "A class of infinite dimensional stochastic processes with unbounded diffusion." Licentiate thesis, Linköpings universitet, Matematisk statistik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-96583.
Full textRieucau, Jean Nicolas. "Nature et diffusion du savoir dans la pensée économique de Condorcet." Paris 1, 1997. http://www.theses.fr/1997PA010092.
Full textIn the same way than Voltaire as far as justice and litterature are concerned, and than Turgot in matter of economics and politics, d'Alembert has been traditionally considered as the mentor of condorcet in sciences and mathematics. For all that, is the influence of the joint publisher of the encyclopedie upon Condorcet's ideas in economics to be judged as a marginal one ? Precisely not : departing from a mixed conception of mathematics which he shares with d'alembert, and from a questioning upon probabilistic doubts of the latter, Condorcet has been induced to develop a choice theory under uncertainty which overtakes the classical field of chance games or of insurances, to extend to the domain of economical enterprise as such, whatsoever consisting in culture, commerce or industry. In doing this, he submits the factor of risk to an unprecedented probabilistic formalisation as he envisages the profit collected by the undertaker. Moreover, the rehabilitation by condorcet of the praxeology's significance of probability theory, which had been ruined by d'alembert, enlightens the peculiarity of some of his reflections in matter of public education, those being closely linked to his thought in economics. According to condorcet, only the teaching of doctrine of chances can actually enable individuals to give a rational turn to their economic behaviour
Bruna, Maria. "Excluded-volume effects in stochastic models of diffusion." Thesis, University of Oxford, 2012. http://ora.ox.ac.uk/objects/uuid:020c2d3e-5fef-478c-9861-553cd310daf5.
Full textDiel, Roland. "Temps local et diffusion en environnement aléatoire." Phd thesis, Université d'Orléans, 2010. http://tel.archives-ouvertes.fr/tel-00590440.
Full textFujita, Takahiko. "Some asymptotic estimates of transition probability densities for generalized diffusion processes with self-similar speed measures." 京都大学 (Kyoto University), 1990. http://hdl.handle.net/2433/86425.
Full textSimon, Guilhem. "Vibrations des verres d'oxydes observées par diffusion hyper-Raman." Phd thesis, Université Montpellier II - Sciences et Techniques du Languedoc, 2007. http://tel.archives-ouvertes.fr/tel-00374838.
Full textPrezioso, Luca. "Financial risk sources and optimal strategies in jump-diffusion frameworks." Doctoral thesis, Università degli studi di Trento, 2020. http://hdl.handle.net/11572/254880.
Full textBrua, Jean-Yves. "Estimation non paramétrique pour des modèles de diffusion et de régression." Phd thesis, Université Louis Pasteur - Strasbourg I, 2008. http://tel.archives-ouvertes.fr/tel-00338286.
Full textPour un modèle de régression non paramétrique et hétéroscédastique, où l'écart-type du bruit dépend à la fois du régresseur et de la fonction de régression supposée appartenir à une classe höldérienne faible de régularité connue, nous montrons qu'un estimateur à noyau est asymptotiquement efficace. Lorsque la régularité de la fonction de régression est inconnue, nous obtenons la vitesse de convergence minimax adaptative des estimateurs sur une famille de classes höldériennes. Enfin, pour un modèle de diffusion où la dérive appartient à un voisinage höldérien faible centré en une fonction lipschitzienne, nous présentons la construction d'un estimateur à noyau asymptotiquement efficace.
Tensaouti, Fatima. "Tractographie par IRM de diffusion : algorithmes, validation, reproductibilité et applications." Toulouse 3, 2010. http://thesesups.ups-tlse.fr/1060/.
Full textTractography is gaining increasing importance in clinical studies because it is the only imaging modality able to characterize in vivo the architecture and integrity of white matter fibers. However, the increasing availability of diffusion models and tractography algorithms makes the choice of a fiber reconstruction method difficult. More important, the performance and reproducibility of each method can vary. This last observation underscores the difficulty of validating tractography methods since no ground truth is available. In this work, we initially implemented and integrated four different Diffusion Tensor Imaging tractography algorithms in neuroimaging software. Three deterministic and one probabilistic. Next, we studied the validation of these algorithms on phantom data which simulates a given ground truth, offering various complex configurations of fibers. The reproducibility of the implemented algorithms has been studied on real data, in 12 healthy subjects by varying the angular resolution and taking as tractus test, the corticospinal tract. The results showed a better reproducibility of the probabilistic algorithm in conjunction with high angular resolution. Finally, in some diseases, the asymmetry between the tractus involved should be different from that of healthy subjects, we used the most reproducible algorithm to investigate in healthy subjects the levels of macro and microstructural asymmetries in the corticospinal tract
Chatenay, Didier. "Diffusion, solubilisation et propriétés interfaciales dans les solutions isotropes d'amphiphiles." Phd thesis, Université Pierre et Marie Curie - Paris VI, 1987. http://tel.archives-ouvertes.fr/tel-00011858.
Full textBompis, Romain. "Développement stochastique pour les processus de diffusion et applications à la valorisation d'options." Phd thesis, Ecole Polytechnique X, 2013. http://pastel.archives-ouvertes.fr/pastel-00921808.
Full textPradeilles, Frédéric. "Une méthode probabiliste pour l'étude des fronts d'onde dans les équations et systèmes d'équations de réaction-diffusion." Aix-Marseille 1, 1995. http://www.theses.fr/1995AIX11058.
Full textLe, Bas Pierre-Yves. "Diffusion multiple par des cibles élastiques immergées : propagation d'ondes cohérentes et interactions résonantes." Le Havre, 2004. http://www.theses.fr/2004LEHA0007.
Full textThis work deals with the multiple scattering by cylindrical shells randomly placed in a liquid. A first part presents the resonant coupling between close shells a few shells. An experimental validation is made. The second part presents two effective media theories: Waterman and Truell's and the Fikioris and Waterman's one. The reflection and transmission coefficients by a slab like region of the multiple scattering medium are similar to the ones obtained by considering a fluid slab alloying an analogy with a fluid medium. The shells are, then, replaced by a set of close shells in order to study an anisotropic medium. The parameters of the effective medium and the reflection and transmission coefficient are calculated. The reflection and transmission coefficients can be expressed as the ones of a fictitious fluid-like slab for which the phase velocity and the attenuation would be dependent of the direction of propagation
Noorizadeh, Emad. "Highly degenerate diffusions for sampling molecular systems." Thesis, University of Edinburgh, 2010. http://hdl.handle.net/1842/7584.
Full textBen, Arous Gérard. "Etude probabiliste de certaines proprietes des operateurs hypoelliptiques." Paris 7, 1987. http://www.theses.fr/1987PA077185.
Full textPaulin, Carl. "Detecting anomalies in data streams driven by ajump-diffusion process." Thesis, Umeå universitet, Institutionen för fysik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-184230.
Full textHopp-diffusionsprocesser används regelbundet för att modellera finansiella tidsserier eftersom de kan simulera de slumpmässiga hopp som ofta uppstår. Dessa hopp kan ses som anomalier och är viktiga för finansiell analys och modellbyggnad, vilket gör dom väldigt viktiga att hitta. Den realiserade variationen, realiserade bipower variationen, och realiserade semi-variationen är faktorer av en tidsserie som kan användas för att hitta hopp i hopp-diffusionprocesser. De används här för att testa om anomali-detektionsalgoritmer kan använda funktionerna för att förbättra dess förmåga att detektera hopp. Algoritmerna som testades var Isolation Forest, Robust Random Cut Forest, och Isolation Forest Algoritmen för Strömmande data, där de två sistnämnda använder strömmande data. Detta gjordes genom att genera data från en Merton hopp-diffusionprocess med varierande hoppfrekvens där de olika algoritmerna testades med varje funktion samt med kombinationer av funktioner. Prestationen av varje algoritm beräknades med hjälp av F1-värde för att kunna jämföra algoritmerna och funktionerna med varandra. Det hittades att funktionerna kan användas för att extrahera hopp från hopp-diffusionprocesser och även använda de som en indikator för när hopp skulle ha hänt. Algoritmerna fick även ett högre F1-värde när de använde funktionerna. Isolation Forest fick ett förbättrat F1-värde genom att använda en eller fler utav funktionerna och hade ett högre F1-värde än att bara använda funktionerna för att detektera hopp. Robust Random Cut Forest hade högst F1-värde av de två algoritmer som använde strömmande data och båda fick högst F1-värde när man använde en kombination utav alla funktioner. Resultatet visar att dessa funktioner fungerar för att extrahera hopp från hopprocesser, använda dem för att detektera hopp, och att algoritmernas förmåga att detektera hoppen ökade med hjälp av funktionerna.
Caruyer, Emmanuel. "IRM de diffusion du Q-space : Acquisition et pré-traitements." Phd thesis, Université de Nice Sophia-Antipolis, 2012. http://tel.archives-ouvertes.fr/tel-00750144.
Full textEtoré, Pierre. "Approximation de processus de diffusion à coefficients discontinus en dimension un et applications à la simulation." Nancy 1, 2006. https://tel.archives-ouvertes.fr/tel-00136282.
Full textIn this thesis numerical schemes for processes X generated by operators with discontinuous coeffcients are studied. A first scheme for the one-dimensional case uses Differential Stochastic Equations with Local Time. Indeed, in dimension one, the processes X are solutions of such equations. We construct a grid on the real line, that is transformed by a proper bijection in a uniform grid of step h. This bijection also transforms X in some process Y , that behaves locally like a Skew Brownian Motion (SBM). We know the transition probabilities of the SBM on a uniform grid, and the average time it spends on each of its cells. A random walk can then be built, that converges to X in h1/2. A second scheme, that is more general, is proposed still for the dimension one. A non uniform grid on the real line is given, whose cells have a size proportional to h. Both the transition probabilities of X on this grid, and the average time it spends on each of its cells, can be related to the solutions of proper elliptic PDE problems, using the Feynman-Kac formula. A time-space random walk can then be built, that converges to X again in h1/2. Next some directions to adapt this approach to the two-dimensional case are given. Finally numerical exemples illustrate the studied schemes
Ravy, Sylvain. "Contribution à l'étude des systèmes de basse dimension par diffusion des rayons X." Habilitation à diriger des recherches, Université Paris Sud - Paris XI, 2001. http://tel.archives-ouvertes.fr/tel-00002167.
Full textTäuber, Daniela. "Characterization of heterogeneous diffusion in confined soft matter." Doctoral thesis, Universitätsbibliothek Chemnitz, 2011. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-77658.
Full textChan, Tan Fung Ivan. "Predicting the Probability for Adopting an Audience Response System in Higher Education." ScholarWorks, 2015. https://scholarworks.waldenu.edu/dissertations/1529.
Full textChiffaudel, Yann. "Etude de la diffusion des processus déterministes et faiblement aléatoires en environnement aléatoire." Thesis, Université de Paris (2019-....), 2019. http://www.theses.fr/2019UNIP7083.
Full textThis thesis studies the diffusion in the mirrors model, a physics-based model introduced in 1988 by Ruijgrok and Cohen. This model is deterministic and reversible. To treat this difficult model, initially defined only in dimension 2, we first generalized it to a model valid in any dimension. Initial numerical studies suggested that the model is diffusive in dimensions greater than or equal to 3. We then explored a perturbative diffusion coefficient approach based on the lace expansion technique developed by Gordon Slade for the study of self-avoiding random walk. Faced with the difficulty of the calculations, we slightly simplified the model by giving up the reversibility constraint. We thus obtained a new model that we call the permutations model. We then transformed these two models into random walks in random environment using a systematic and general approach. Thanks to these modifications, we were able to push the perturbative approach to obtain a satisfactory approximation of the value of the diffusion coefficient in the permutations model. The main result is the existence of a series in which all terms are well defined and the first terms provide the desired approximation. The convergence of this series remains an open problem. The analytical results are supported by a numerical approach to these models, which shows that the lace expansion gives quality results. Many questions remain open, including the calculation of the following terms of perturbative development and the generalization of this approach to the mirrors model -which should not be a problem- and then to a broader class of models
Villéger, Emmanuel. "Constance de largeur et désocclusion dans les images digitales." Phd thesis, Université de Nice Sophia-Antipolis, 2005. http://tel.archives-ouvertes.fr/tel-00011229.
Full textnous regroupons des points lumineux et/ou des objets selon certaines
règles pour former des objets plus gros, des Gestalts.
La première partie de cette thèse est consacrée à la constance de
largeur. La Gestalt constance de largeur regroupe des points situés
entre deux bords qui restent parallèles. Nous cherchons donc dans les
images des courbes ``parallèles.'' Nous voulons faire une détection
a contrario, nous proposons donc une quantification du ``non
parallélisme'' de deux courbes par trois méthodes. La première méthode
utilise un modèle de génération de courbes régulières et nous
calculons une probabilité. La deuxième méthode est une méthode de
simulation de type Monte-Carlo pour estimer cette probabilité. Enfin
la troisième méthode correspond à un développement limité de la
première en faisant tendre un paramètre vers 0 sous certaines
contraintes. Ceci conduit à une équation aux dérivées partielles
(EDP). Parmi ces trois méthodes la méthode de type Monte-Carlo est
plus robuste et plus rapide.
L'EDP obtenue est très similaire à celles utilisées pour la
désocclusion d'images. C'est pourquoi dans la deuxième partie de cette
thèse nous nous intéressons au problème de la désocclusion. Nous
présentons les méthodes existantes puis une nouvelle méthode basée sur
un système de deux EDPs dont l'une est inspirée de celle de la
première partie. Nous introduisons la probabilité de l'orientation du
gradient de l'image. Nous prenons ainsi en compte l'incertitude sur
l'orientation calculée du gradient de l'image. Cette incertitude est
quantifiée en relation avec la norme du gradient.
Avec la quantification du non parallélisme de deux courbes, l'étape
suivante est la détection de la constance de largeur dans
les images. Il faut alors définir un seuil pour sélectionner les
bonnes réponses du détecteur et surtout parmi les réponses définir
des réponses ``maximales.'' Le système d'EDPs pour
la désocclusion dépend de beaucoup de paramètres, il faut trouver une
méthode de calibration des paramètres pour obtenir de bons résultats
adaptés à chaque image.
Kessedjian, Grégoire. "Mesures de sections efficaces d'actinides mineurs d'intérêts pour la transmutation." Phd thesis, Université Sciences et Technologies - Bordeaux I, 2008. http://tel.archives-ouvertes.fr/tel-00404445.
Full textKnafo, William. "Etude des fluctuations magnétiques de composés à fermions lourds par diffusion inélastique des neutrons." Phd thesis, Grenoble 1, 2004. http://tel.archives-ouvertes.fr/tel-00008376.
Full textRevenant, Christine. "Diffusion centrale des rayons X en incidence rasante appliquée à l'étude in situ de la croissance de nanostructures." Habilitation à diriger des recherches, Université de Grenoble, 2006. http://tel.archives-ouvertes.fr/tel-00630160.
Full textCanet, Léonie. "Processus de réaction-diffusion : une approche par le groupe de renormalisation non perturbatif." Phd thesis, Université Paris-Diderot - Paris VII, 2004. http://tel.archives-ouvertes.fr/tel-00006919.
Full textBehboodi, Arash. "Réseaux coopératifs avec incertitude du canal." Phd thesis, Supélec, 2012. http://tel.archives-ouvertes.fr/tel-00765429.
Full textTardif, Camille. "Etude infinitésimale et asymptotique de certains flots stochastiques relativistes." Phd thesis, Université de Strasbourg, 2012. http://tel.archives-ouvertes.fr/tel-00703181.
Full textHarris, Simon Colin. "Branching diffusions." Thesis, University of Cambridge, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.387607.
Full textDeby, Fabrice. "Approche probabiliste de la durée des bétons en environnement marin." Toulouse 3, 2008. http://thesesups.ups-tlse.fr/370/.
Full textA probabilistic approach to prediction of concrete's durability in marine environment is proposed in this thesis. The aim of this work is to develop a methodology linked with the performance-based approaches using the concept of durability indicators. The probabilistic FORM algorithm and the coupled deterministic model are developed to estimate the reliability index of the material. The probability distributions of the random variables are built. A multiplicative error is introduced in order to integrate information from different concretes into a single database and a Bayesian network is presented to update these results by further experiments. A practical example is proposed for a reinforced concrete immersed in sea water. A semi-probabilistic design for engineering based on characteristic values and partial safety factors is developed to achieve the same reliability
Oberdisse, Julian. "STRUCTURES DANS LES COLLOÏDES ET NANOCOMPOSITES DESTINES AU RENFORCEMENT : ETUDE PAR DIFFUSION DE NEUTRONS AUX PETITS ANGLES." Habilitation à diriger des recherches, Université Montpellier II - Sciences et Techniques du Languedoc, 2005. http://tel.archives-ouvertes.fr/tel-00010688.
Full textNi, Hao. "The expected signature of a stochastic process." Thesis, University of Oxford, 2012. http://ora.ox.ac.uk/objects/uuid:e0b9e045-4c09-4cb7-ace9-46c4984f16f6.
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