Academic literature on the topic 'Morphologie fractale'
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Journal articles on the topic "Morphologie fractale"
MOUSSA, R., and C. BOCQUILLON. "Morphologie fractale du réseau hydrographique." Hydrological Sciences Journal 38, no. 3 (June 1993): 187–201. http://dx.doi.org/10.1080/02626669309492662.
Full textFrankhauser, Pierre. "La formation fractale des tissus urbains." Cahiers de géographie du Québec 42, no. 117 (April 12, 2005): 379–98. http://dx.doi.org/10.7202/022764ar.
Full textBadariotti, Dominique. "Des fractales pour l’urbanisme?" Cahiers de géographie du Québec 49, no. 137 (March 9, 2006): 133–56. http://dx.doi.org/10.7202/012297ar.
Full textMitic, Vojislav V., Goran Lazovic, Dragoljub Mirjanic, Hans Fecht, Branislav Vlahovic, and Walter Arnold. "The fractal nature as new frontier in microstructural characterization and relativization of scale sizes within space." Modern Physics Letters B 34, no. 22 (July 30, 2020): 2050421. http://dx.doi.org/10.1142/s0217984920504217.
Full textZhao, Shanrong, Jin Tan, Jiyang Wang, Xiaohong Xu, and Hong Liu. "A Dendrite with "Sierpinski Gasket" Fractal Morphology in Matt Glaze of LiAlSiO4-SiO2 System." Fractals 11, no. 03 (September 2003): 271–76. http://dx.doi.org/10.1142/s0218348x03001525.
Full textChen, Yanguang. "Fractal Modeling and Fractal Dimension Description of Urban Morphology." Entropy 22, no. 9 (August 30, 2020): 961. http://dx.doi.org/10.3390/e22090961.
Full textPAN, XUEZAI. "RESEARCH ON MORPHOLOGIES OF ROCK FRACTURE SURFACES BASED ON MATHEMATICAL METHODS." Fractals 23, no. 04 (December 2015): 1550039. http://dx.doi.org/10.1142/s0218348x15500395.
Full textLi, Q., A. Wiedenmann, and H. Wollenberger. "Fractal morphologies from decomposition of Fe−Ni−Invar alloys." Journal of Materials Research 12, no. 1 (January 1997): 83–92. http://dx.doi.org/10.1557/jmr.1997.0014.
Full textHUYNH, HOAI NGUYEN, and LOCK YUE CHEW. "ARC-FRACTAL AND THE DYNAMICS OF COASTAL MORPHOLOGY." Fractals 19, no. 02 (June 2011): 141–62. http://dx.doi.org/10.1142/s0218348x11005178.
Full textMu, Xiaokai, Wei Sun, Chong Liu, Bo Yuan, Yunlong Wang, and Qingchao Sun. "Numerical Simulation and Accuracy Verification of Surface Morphology of Metal Materials Based on Fractal Theory." Materials 13, no. 18 (September 18, 2020): 4158. http://dx.doi.org/10.3390/ma13184158.
Full textDissertations / Theses on the topic "Morphologie fractale"
Sabbadini, Sandrine. "Analyses géostatistique et fractale de l'évolution de la morphologie de discontinuités au cours du cisaillement." Vandoeuvre-les-Nancy, INPL, 1994. http://www.theses.fr/1994INPL110N.
Full textChagroune, Lakhdar. "Modélisation de l'émissivité d'une surface en utilisant une approche fractale." Vandoeuvre-les-Nancy, INPL, 1995. http://www.theses.fr/1995INPL115N.
Full textBrugière, Edouard. "Le spectromètre thermophorétique circulaire, un nouvel instrument pour mesurer la thermophorèse : application aux agrégats de suies de morphologie fractale." Phd thesis, INSA de Rouen, 2012. http://tel.archives-ouvertes.fr/tel-00788266.
Full textVillegas, Randolfo. "Genèse de la ferrite aciculaire dans les aciers à moyen carbone microalliés au vanadium. Morphologie fractale en relation avec les propriétés mécaniques." Thesis, Vandoeuvre-les-Nancy, INPL, 2007. http://www.theses.fr/2007INPL086N/document.
Full textMedium carbon vanadium microalloyed steels have been developed to obtain new microstructures, mainly formed of acicular ferrite (AF). Controlling the chemical composition and (0.1-0.3 % V) and the cooling rates (2.0 °Cs-1) lead to AF fractions up to 80 %. An empirical parameter, the ferritisant power, P, has been introduced to evaluate the combined effect of chemical composition and cooling conditions. Scanning (SEM) and transmission (TEM) electron microscopy investigations indicate that AF develops from proeutectoid ferrite enveloping MnS inclusions. An interphase precipitation of vanadium carbo-nitrides, V(C,N) has been identified. It is suggested that this precipitation is at the origin of carbon depletion in the austenitic matrix surrounding the AF plates. The formation of the AF is then enhanced by an autocatalytic effect. The fractal nature of AF has been determined by SEM and TEM characterisations. Fractal dimensions, D, and cut off lengths have been derived by the counting box method applied to SEM images. Mechanical tests conducted in isothermal and quasistatic conditions reveal that mechanical properties of AF are of the same grade of that of bainitic microstructures. Experimental strain-stress curves are described by the Hollomon law. The work hardening of the studied microstructures increases with the AF fraction. The mechanical properties have been linked to the fractal dimension by the following exponential relation : [delta]M = c exp [[alpha] (D -2)], where M represents the mechanical property (Re, Rm, etc.) and c and [alpha] are constants parameters
Lottin, Delphine. "Dimensions fractales, morphologie et caractéristiques dimensionnelles 2D et 3D d'agrégats de nanoparticules de suie aéronautique : Etude par microscopie électronique en transmission et tomographie électronique." Thesis, Aix-Marseille, 2013. http://www.theses.fr/2013AIXM4012/document.
Full textSoot aggregates emitted by aircraft engines' combustion processes are involved in the modification of the global radiative budget and the air quality. The knowledge of their physical and chemical characteristics is a prerequisite to any evaluation of the way they may act in the atmospheric physical and chemical processes and their impact on the environment and public health. In this context, our study aims at determining the size and morphological characteristics of aircraft soot aggregates on the basis of experimental measurements by transmission electron microscopy (TEM) and electron tomography.We have acquired TEM pictures of soot aggregates emitted by aircraft engines. We have established a method to characterize the morphology of these aggregates by determining their elongation, their compacity and the tortuosity of their edge. This method is based on the analysis of their TEM projection. Besides, we have developed a software to process and analyse TEM pictures. It allows to reconstruct aggregates from their projections and to determine their size and morphological characteristics. Our results have lead us to study the validity of the relationships linking the 2D and 3D microphysical characteristics presented in the literature and to suggest new ones for the studied aggregates.These results constitute the first 3D morphological and size characterizations of aircraft soot aggregates using TEM and electron tomography. They highlight the fact that the morphological properties of these aggregates do not fulfil the hypotheses required for the use of the collective method to determine the mass fractal dimension
Forriez, Maxime. "Caractérisation formelle des structures multi-échelles géographiques en relativité d’échelle : exemples en géographie physique, géographie urbaine, géohistoire et géographie du peuplement." Thesis, Avignon, 2010. http://www.theses.fr/2010AVIG1084/document.
Full textThe most obvious characteristic of the terrestrial interface is its heterogeneity. Phenomenologically, this one, human or natural, show limits that define the forms deployed in geographic space. These limits are certainly due to temporal dynamic, all as much as a scale dynamic. This one is manifested in the possible relationships and variables that exist between scales inasmuch as every scale can no conceive than relative to another that is used as reference. This leads to the scale relativity (SR) which should allow to define intrinsically the geographical space. The first objective is to show the possibility of using SR in geography. At the heart of the SR, we found that fractal geometry is indispensable to try to understand the organization in the scales of the world. So far fractals no were used than as a tool of describing more or less relevant. In SR, the fractal forms become a consequence of a formal space intrinsically irregular. The fractality can be thus a way of understanding of the world using the space of scales, that is to say its resolutions. The central objective of this study is thus to build a general fractal methodology necessary under investigation of an unspecified morphology through various examples resulting from the physical geography, the urban geography, the geohistory and the geography of the settlement. The final objective is to lead to solutions formal accessible at a broad community from geographers, which is not the case of the theory of the R.E in its current formalism. From an epistemological point of view, the development in geography of the R.E raises the question of the Re-naturalization of this discipline of the human and social sciences and of the constitution in analytical science, therefore more largely to propose a new definition of the geography
Vanquin, Ludovic. "Biomarqueurs de la morphologie du cortex cérébral par imagerie par résonance magnétique (IRM) anatomique : application à la maladie d'Alzheimer." Thesis, Toulouse 3, 2015. http://www.theses.fr/2015TOU30083/document.
Full textMorphological alterations of the cortical mantle in early stage of Alzheimer's disease have led to an increasing interest towards morphological biomarkers of the cerebral cortex. By providing a quantitative measure of the cortical shape, morphological biomarkers could provide better understanding of the impact of the disease on the cortical anatomy and play a role in early diagnosis. Therefore, as a primary goal in this study, we developed cortical surface curvature and fractal dimension estimation methods. We then applied those methods, together with the estimation of cortical thickness, to investigate the impact of Alzheimer's disease on the cortical shape as well as the contribution of cortical thickness and cortical curvature to the early diagnosis of Alzheimer's disease. The originality of this work lies in the estimation of sulcal and gyral curvature of the internal (gray matter/white matter boundary) and external (gray matter/cerebrospinal fluid boundary) cortical surfaces in addition to the fractal dimensions of these boundaries. Our results showed significant impact of Alzheimer's disease on sulcal and gyral shapes of the internal and external cortical surfaces. In addition, cortical thickness was found to have better ability than cortical curvature for the early diagnosis of Alzheimer's disease; no significant ability for the early diagnosis was found using fractal dimension. However, we found significant improvement in early diagnosis by combining cortical thickness and cortical curvature
Delhaye, David. "Détermination expérimentale des caractéristiques physiques et chimiques de particules de suie émises par des turboréacteurs d'avion." Phd thesis, Université de la Méditerranée - Aix-Marseille II, 2007. http://tel.archives-ouvertes.fr/tel-00261972.
Full texttraînées de condensation qui peuvent évoluer en nuage de type cirrus. Par ailleurs, ces particules de taille submicrométrique, dont l'impact sur la qualité de l'air est avéré, sont également source de questionnement quant à leur(s) effet(s) sur la santé publique.
La présente étude a pour objet la détermination expérimentale des caractéristiques physiques et chimiques des particules de suie émises par des turboréacteurs d'avions commerciaux. Les prélèvements sont effectués sur un banc d'essai de la société SNECMA
(groupe SAFRAN) par un dispositif mis au point au cours de ce travail et localisé derrière des turboréacteurs CFM56-5C et CFM56-5B qui équipent respectivement des avions long-courriers et moyen-courriers.
Diverses techniques expérimentales telles que la microscopie électronique en transmission (MET), la microscopie électronique à balayage (MEB), la spectrométrie dispersive d'énergie de rayons X (XREDS), et la spectroscopie infrarouge à transformée de Fourier (IRTF) sont mises en oeuvre pour étudier la morphologie, la structure, la distribution en taille, la composition chimique élémentaire des particules primaires de suie, et la nature des groupes fonctionnels présents à leur surface. La dimension fractale ( Df ) des agrégats de suie et leur diamètre de giration ( d g ) sont également établis.
Les résultats expérimentaux montrent que les suies émises par les deux turboréacteurs
étudiés présentent :
- des valeurs similaires de la dimension fractale des agrégats
- des distributions en taille log-normales pour les particules primaires et les agrégats
- des compositions chimiques élémentaires et des groupes fonctionnels très similaires
- des diamètres de giration des agrégats qui diffèrent
Par ailleurs, nous montrons que la phase de préparation des échantillons, préalable aux observations en MEB, a une influence importante sur la valeur déterminée de la moyenne géométrique de la distribution en taille des particules primaires. Par conséquent, nous préconisons de réaliser l'étude des caractéristiques physiques des particules primaires de suie aéronautique par MET plutôt que par MEB.
Momboisse, Benoît. "Analyse fractale du paysage latéritique : évolution géochimique et morphologique." Université Louis Pasteur (Strasbourg) (1971-2008), 1995. http://www.theses.fr/1995STR13243.
Full textForoutan-pour, Kayhan. "Fractal geometry concepts applied to the morphology of crop plants." Thesis, McGill University, 1998. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=35702.
Full textBooks on the topic "Morphologie fractale"
Gonzalez-Chi, P. I. Effect of plyamide morphology on fracture behaviour. Manchester: UMIST, 1993.
Find full textKaandorp, Jaap A. Modelling growth forms of biological objects using fractals. Meppel, the Netherlands: Printed by Krips Repro, 1992.
Find full textGentier, Sylvie. Morphologie et comportement hydromécanique d'une fracture naturelle dans le granite sous contrainte normale: Étude expérimentale et théorique. Orléans, France: BRGM, 1988.
Find full textPour-Moghaddam, Navid. On the Fracture Behaviour and the Fracture Pattern Morphology of Tempered Soda-Lime Glass. Wiesbaden: Springer Fachmedien Wiesbaden, 2020. http://dx.doi.org/10.1007/978-3-658-28206-6.
Full textBaron, Mary Michele. Fractal characterisation of nuclear morphology in cervical intraepithelial neoplasia (dysplasia and carcinoma in situ) in humans. Sudbury, Ont: Laurentian University, 1994.
Find full textAtlas of Polymer Structures: Morphology, Deformation, and Fracture Structures. Hanser Publications, 2016.
Find full textConsortium, Technical Research, ed. Chameleon porcelain systems: Labial veneers, lingual palatal veneers, incisal fracture replacement, morphology changes. [U.K.]: Technical Research Consortium, 1988.
Find full textGentier, Sylvie. Morphologie et comportement hydromecanique d'une fracture naturelle dans le granite sous contrainte normale: Etude experimentale et theorique (Documents du B.R.G.M). BRGM, 1987.
Find full textSumi, Yoichi. Mathematical and Computational Analyses of Cracking Formation: Fracture Morphology and Its Evolution in Engineering Materials and Structures. Yoichi Sumi, 2014.
Find full textBook chapters on the topic "Morphologie fractale"
Kausch, H. H. "MORPHOLOGICAL ASPECTS OF FRACTURE PHENOMENA." In Morphology of Polymers, edited by Blahoslav Sedláček, 69–86. Berlin, Boston: De Gruyter, 1986. http://dx.doi.org/10.1515/9783110858150-005.
Full textKrsovi, A., M. Jirous, and Z. Sucharda. "FRACTURE SURFACE MORPHOLOGY OF CARBON/EPOXY COMPOSITES." In Morphology of Polymers, edited by Blahoslav Sedláček, 555–62. Berlin, Boston: De Gruyter, 1986. http://dx.doi.org/10.1515/9783110858150-053.
Full textGoodship, A. E. "The Morphology of Fracture Healing." In Standortbestimmung der konservativen Knochenbruchbehandlung des Erwachsenen, 21–26. Berlin, Heidelberg: Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-84712-7_6.
Full textLednický, F. "POSSIBILITIES OF THE ESTIMATION OF POLYMER MORPHOLOGY FROM FRACTURE SURFACES." In Morphology of Polymers, edited by Blahoslav Sedláček, 541–48. Berlin, Boston: De Gruyter, 1986. http://dx.doi.org/10.1515/9783110858150-051.
Full textJanik, H., and J. Foks. "THE ANALYSIS OF POLYURETHANE FRACTURE SURFACE BELOW ITS GLASS TRANSITION." In Morphology of Polymers, edited by Blahoslav Sedláček, 549–54. Berlin, Boston: De Gruyter, 1986. http://dx.doi.org/10.1515/9783110858150-052.
Full textMatsuura, Shu, and Sasuke Miyazima. "Colony Morphology of the Fungus Aspergillus Oryzae." In Fractals in Biology and Medicine, 274–82. Basel: Birkhäuser Basel, 1994. http://dx.doi.org/10.1007/978-3-0348-8501-0_24.
Full textChen, Yanguang. "Fractal Dimension Analysis of Urban Morphology Based on Spatial Correlation Functions." In The Mathematics of Urban Morphology, 21–53. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-12381-9_2.
Full textWang, Ke, Pascal Ogier, Chauhari Wuiwui Tjiu, and Chaobin He. "Morphology and Mechanical Properties of Epoxy/Alumina Nanocomposites." In Fracture of Materials: Moving Forwards, 233–36. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-994-6.233.
Full textElNaghy, Hanan, and Leo Dorst. "Complementarity-Preserving Fracture Morphology for Archaeological Fragments." In Lecture Notes in Computer Science, 403–14. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-20867-7_31.
Full textKoch, T., S. Seidler, K. Jung, and W. Grellmann. "Morphology and Toughness of PP/EPR Blends." In Deformation and Fracture Behaviour of Polymers, 257–66. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-662-04556-5_18.
Full textConference papers on the topic "Morphologie fractale"
BARI, A., A. MARTIN, D. BARRANCO, J. L. GONZALEZ-ANDUJAR, G. AYAD, and S. PADULOSI. "USE OF FRACTALS TO CAPTURE AND ANALYSE BIODIVERSITY IN PLANT MORPHOLOGY." In Conference on Fractals 2002. WORLD SCIENTIFIC, 2002. http://dx.doi.org/10.1142/9789812777720_0046.
Full textHui, Zhao, Sheng Guanglong, Huang Luoyi, Zhong Xun, Fu Jingang, Zhou Yuhui, Ma Jialing, Ruan Jiayu, Hu Zhouxiang, and Sun Shumin. "Application of Lightning Breakdown Simulation in Inversion of Induced Fracture Network Morphology in Stimulated Reservoirs." In International Petroleum Technology Conference. IPTC, 2021. http://dx.doi.org/10.2523/iptc-21157-ms.
Full textChiadini, Francesco, Bruno Bisceglia, Antonio Scaglione, and Vincenzo Fiumara. "Multilayer resonators with fractal morphology for microwave heating." In 2013 21st International Conference on Applied Electromagnetics and Communications (ICECom). IEEE, 2013. http://dx.doi.org/10.1109/icecom.2013.6684730.
Full textMazumder, S., Abarrul Ikram, Agus Purwanto, Sutiarso, Anne Zulfia, Sunit Hendrana, and Zeily Nurachman. "Dynamical Scaling, Fractal Morphology and Small-angle Scattering." In NEUTRON AND X-RAY SCATTERING 2007: The International Conference. AIP, 2008. http://dx.doi.org/10.1063/1.2906085.
Full textMills, W. J., and C. M. Brown. "Fatigue Fracture Surface Morphology for Alloy 718." In Superalloys. TMS, 2001. http://dx.doi.org/10.7449/2001/superalloys_2001_511_522.
Full textZhang, Ruxin, Qinglin Shan, and Wan Cheng. "Near-Wellbore Hydraulic Fracture Non-Planar Propagation and Torturous Morphology in Tight Sandstone Formation." In Offshore Technology Conference. OTC, 2021. http://dx.doi.org/10.4043/31313-ms.
Full textChunhui Zhang, Gang Li, Nai-ang Wang, Yong Huang, and Cuiyun Wang. "Study on urban spatial morphology with RS & fractal." In 2007 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2007. http://dx.doi.org/10.1109/igarss.2007.4422880.
Full textHuang, Dongmei, Zhenquan Zhang, Xiaofei Lin, and Huaxue Li. "Fractal characteristics of mudstone microscopic morphology in MATLAB environment." In Taishan Academic Forum - Project on Mine Disaster Prevention and Control. Paris, France: Atlantis Press, 2014. http://dx.doi.org/10.2991/mining-14.2014.25.
Full textMotlatle, Abesach Moshalagae, Orebotse Joseph Bothloko, Manfred Rudolf Scriba, Vincent Ojijo, and Suprakas Sinha Ray. "The thermal degradation kinetics and morphology of poly(vinyl butyral) cast films prepared using different organic solvents." In FRACTURE AND DAMAGE MECHANICS: Theory, Simulation and Experiment. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0028453.
Full textCrosta, Giovanni F., Chiara Urani, and Laura Fumarola. "Fourier and fractal analysis of cytoskeletal morphology altered by xenobiotics." In Biomedical Optics 2003, edited by Dan V. Nicolau, Joerg Enderlein, Robert C. Leif, and Daniel L. Farkas. SPIE, 2003. http://dx.doi.org/10.1117/12.477895.
Full textReports on the topic "Morphologie fractale"
Jacobson, Randy. Transform and Fracture Zone Morphology. Fort Belvoir, VA: Defense Technical Information Center, September 1985. http://dx.doi.org/10.21236/ada219017.
Full textSymons, D. M., M. G. Burke, and J. P. Foster. The relationship between observed stress corrosion cracking fracture morphology and microstructure in Alloy 600. Office of Scientific and Technical Information (OSTI), December 1997. http://dx.doi.org/10.2172/291121.
Full textMiao, Yinbin, Kun Mo, Laura M. Jamison, Jie Lian, Tiankai Yao, and Sumit Bhattacharya. Experimental studies of Micro- and Nano-grained UO2: Grain Growth Behavior, Sufrace Morphology, and Fracture Toughness. Office of Scientific and Technical Information (OSTI), January 2016. http://dx.doi.org/10.2172/1330575.
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