Relevant bibliographies by topics / Modèle de compaction

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Modèle de compaction'

Author: Grafiati
Published: 20 April 2022
Last updated: 30 July 2025

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Journal articles on the topic "Modèle de compaction"

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Schneider, F. "Modèle de compaction élasto-plastique en simulation de bassins." Revue de l'Institut Français du Pétrole 48, no. 1 (1993): 3–14. http://dx.doi.org/10.2516/ogst:1993001.

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Schneider, F., J. L. Potdevin, S. Wolf, and I. Faille. "Modèle de compaction élastoplastique et viscoplastique pour simulateur de bassins sédimentaires." Revue de l'Institut Français du Pétrole 49, no. 2 (1994): 141–48. http://dx.doi.org/10.2516/ogst:1994007.

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Voicu, Gheorghe, Mircea Lazea, Gabriel-Alexandru Constantin, Elena-Madalina Stefan, and Mariana-Gabriela Munteanu. "Finite element analysis of the compaction plate from a garbage truck." E3S Web of Conferences 180 (2020): 04006. http://dx.doi.org/10.1051/e3sconf/202018004006.

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Vehicles that collect and transport household waste are equipped with complex systems that perform the loading of the waste from the stationary collection containers, take over and pre-compact of material, compaction in the body of the structure and finally the landfill of the collected waste. Of all these operations, the compaction process is by far the most mechanically demanding. In this paper, the structural analysis of the compactor plate from a garbage truck is presented. In the first stage it was carried out parametric modelling of the assembly composed of compactor plate, counter press
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Jiang, Chunlin, Yanhui Ge, Baoqun Wang, Luchen Zhang, and Youbo Liu. "Impact of the High-Energy Dynamic Compaction by Multiple Compactors on the Surrounding Environment." Advances in Civil Engineering 2021 (November 29, 2021): 1–19. http://dx.doi.org/10.1155/2021/6643064.

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Dynamic compaction machine (DCM) is a widely adopted ground reinforcement technology. However, dynamic compaction energy has a very significant impact on the surrounding environment. At present, the research on the impact of dynamic compaction mainly focuses on the effect of the tamping behavior of a single compactor in the working state, whereas the research on the impact of multiple compactors working jointly is rare. To study the impact of the dynamic compaction energy of multiple compactors working jointly on the surrounding environment, the dynamic response model for multiple compactors w
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Bembenek, Micha��. "The use of computer image analysis in determining material flow in the roller press compacting unit during compacting of fine-grained material." Computer Methods in Material Science 18, no. 2 (2018): 58–63. http://dx.doi.org/10.7494/cmms.2018.2.0614.

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Mechanisms of fine-grained material flow in a roller press are a constant subject of research. The proper transfer of feed in the feeder has a significant influence on the correct course of the compaction and consolidation process, product quality, and the intensity of wear of the forming components. A few mathematical models of compaction process have been put forth, but they are focused mainly on loads in the compacting unit and consolidated material properties. During compaction the loose material properties including the Young module, the external and internal friction coefficient, and the
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Edilyan, S. V., and Kh S. Yavruyan. "Analytical Overview of the Methods of Controlling the Parameters of Vibratory Compaction of the Concrete Mixes." Modern Trends in Construction, Urban and Territorial Planning 3, no. 3 (2024): 15–21. http://dx.doi.org/10.23947/2949-1835-2024-3-3-15-21.

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Introduction. A historical (retrospective) overview of the evolution and application of the methods of concrete mixture compaction by vibration, as well as an overview of the breakthrough scientific+ advancements in the studied field have been presented. The use of the dry concrete mixes that reduce cement consumption, accelerate the strength gain of concrete, reduce the shrinkage strain and heat emission and increase the strength and durability of products has been proposed. The theoretical and practical issues of vibratory compaction of the concrete mixes, the research on the effect reached
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Abaza, Bogdan Felician, Paulina Spanu, Bogdan Alexandru Jugravu, and Dragos Alexandru Apostol. "Study on Compressive Properties of Recycling PETs and CANs for Designing a Smart Waste Management Compactor." Materiale Plastice 58, no. 3 (2021): 64–75. http://dx.doi.org/10.37358/mp.21.3.5504.

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Recycling is a key process in any sustainable development strategy. This paper proposes solutions for the increasing waste collection rates by developing an educational model for developing innovative waste management solutions. The focus in this paper will be on making the correlation between experimental studies on compressive properties of recycling waste and designing a smart waste management compactor. Based on previous achievements on developing an innovative compactor system with selective waste collection, actual experimental trials will be analysed for generating compression patterns
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Abaza, Bogdan Felician, Paulina Spanu, Bogdan Alexandru Jugravu, and Dragos Alexandru Apostol. "Study on Compressive Properties of Recycling PETs and CANs for Designing a Smart Waste Management Compactor." Materiale Plastice 58, no. 3 (2021): 64–75. http://dx.doi.org/10.37358/mp.21.3.5504.

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Recycling is a key process in any sustainable development strategy. This paper proposes solutions for the increasing waste collection rates by developing an educational model for developing innovative waste management solutions. The focus in this paper will be on making the correlation between experimental studies on compressive properties of recycling waste and designing a smart waste management compactor. Based on previous achievements on developing an innovative compactor system with selective waste collection, actual experimental trials will be analysed for generating compression patterns
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Basheer, I. A. "Empirical modeling of the compaction curve of cohesive soils." Canadian Geotechnical Journal 38, no. 1 (2001): 29–45. http://dx.doi.org/10.1139/t00-068.

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Compaction curves (or density–moisture relationships) of cohesive soils are essential components for establishing practical and reliable criteria for effective control of field compaction. In this paper, modules built from empirical models for simulating the compaction curves of cohesive soils based on easily measured basic soil properties and compaction energy were developed using both statistical regression and artificial neural networks (ANNs) techniques. A large number of compaction curves pertaining to a wide variety of fine-grained soils were collected and used in modeling. The developed
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Wu, Xi Rong, and Li Li Zhu. "Analysis of the Influence of Water Content on Shanxi Loess CBR and Rebound Module." Advanced Materials Research 919-921 (April 2014): 820–23. http://dx.doi.org/10.4028/www.scientific.net/amr.919-921.820.

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Selection of five typical loess in Shanxi Province, the paper adopt the indoor test methods to prepares the different compaction and different moisture content specimens which were used to test CBR value and rebound module, analyzes the impact of compactness and moisture content on the CBR value and resilient modulus and establishes the relationship of CBR and moisture content. The result shows that the level of moisture content has great impact on CBR value and rebound module. The CBR value is maximal under optimum moisture content and maximum degree of compaction condition. The times of comp
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Dissertations / Theses on the topic "Modèle de compaction"

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Šrámek, Ondřej. "Modèle d’écoulement biphasé en sciences de la Terre : fusion partielle, compaction et différenciation." Lyon, École normale supérieure (sciences), 2007. http://www.theses.fr/2007ENSL0444.

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Bévillon, Damien. "Couplage d'un modèle de gisement et d'un modèle mécanique : application à l'étude de la compaction des réservoirs pétroliers et de la subsidence associée." Lille 1, 2000. http://www.theses.fr/2000LIL10157.

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L'etude presentee dans ce travail a pour objectif d'apporter une amelioration de la description de la contribution de la roche aux ecoulements fluides dans les modelisations des reservoirs petroliers. La production d'hydrocarbure dans les reservoirs homogenes tres compactables induit un effondrement de la structure poreuse de la roche reservoir, qui fait de la deformation de la roche un mecanisme important de recuperation. Cette compaction provoque des effets indesirables comme des phenomenes de subsidence ou d'endommagement d'equipement de puits. L'analyse de la compaction et de la subsidence
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Divies, Renaud. "FOLDIS : un modèle cinématique de bassins sédimentaires par éléments discrets associant plis, failles, érosion/sédimentation et compaction." Phd thesis, Grenoble 1, 1997. http://tel.archives-ouvertes.fr/tel-00744407.

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L'objet de la thèse est de mettre au point un prototype de modèle 2D capable de simuler l'évolution géométrique d'une coupe de bassin affectée par le jeu de failles. Une modélisation mécanique de la déformation tectonique, fondée sur le principe des calculs de structure, n'est pas poursuivie car cette approche est trop complexe pour être appliquée au domaine des bassins sédimentaires. Au contraire, le modèle cinématique développé, FOLDIS, repose sur des hypothèses simplificatrices de nature purement géométrique qui déterminent entièrement le mode de déformation envisagé. Jusqu'à présent, les m
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Abdallah, Youssouf. "Compaction banding in high-porosity limestones : Experimental observations and modelling." Thesis, Paris Est, 2019. http://www.theses.fr/2019PESC1024.

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La déformation des roches sédimentaires peut donner lieu à la formation de bandes de compaction, qui peuvent affecter considérablement le rendement des géosystèmes. L'objectif de cette thèse est d'identifier la formation des bandes de compaction dans les roches carbonatées poreuses à travers des essais de compression triaxiale et de proposer un modèle de comportement basé sur la théorie de plasticité du second-gradient pour prendre en compte l'effet des hétérogénéités locales.Les essais de compression axisymétrique sont combinés avec des observations tomographiques aux rayons X. Les échantillo
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Burlion, Nicolas. "Compaction des bétons : éléments de modélisation et caractérisation expérimentale." Cachan, Ecole normale supérieure, 1997. http://www.theses.fr/1997DENS0021.

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La compaction des bétons se rencontre le plus souvent dans le cas de choc ou d'impact sur structure en béton. Sous l'effet de fortes sollicitations de compression triaxiales, le matériau béton, initialement poreux, se densifie par réduction de la porosité initiale. L'énergie dissipée au cours de cette densification est tres importante : le matériau est fortement plastifie et endommage. Au cours d'un impact, d'autres phénomènes entrent en jeu : du cisaillement provoque par la perforation du missile, et de l'écaillage provoque par réflexion des ondes de compression sur la face non-impactée en on
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Perrin, Aurélien. "Caenorhabditis elegans un modèle d’étude des différents compartiments du noyau : de l’étude d’un stress du nucléole par inhibition de la voie de neddylation à la mesure de la compaction de la chromatine in vivo." Thesis, Montpellier, 2018. http://www.theses.fr/2018MONTT049/document.

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NEDD8, molécule de la famille de l’ubiquitine est essentielle au développement, à la croissance et à la viabilité d’un organisme, de plus c’est une cible prometteuse en thérapeutique. Nous avons découvert que l’inhibiteur spécifique de la NEDDylation, MLN4924 altère la morphologie sans fragmentation et augmente la surface du nucléole de cellules humaines et de noyaux de la lignée germinale de Caenorhabditis elegans. Une approche de protéomique quantitative (SILAC) combiné à l’analyse de la production des ARNr et des ribosomes montrent que MLN4924 change la composition protéique du nucléole san
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Cordier, Telmar Aurélie. "Etude de déformabilité de tresses en cours de préformage pour la fabrication de composite par le procédé RTM." Thesis, Orléans, 2012. http://www.theses.fr/2012ORLE2045/document.

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Cette thèse traite la fabrication de pièces composites par le procédé « Resin Transert Molding » (RTM), appliquée à des tubes de protections thermiques assemblées dans des propulseurs de systèmes d’armes. Ces travaux ont pour objectif de démontrer la faisabilité d’utilisation de ce procédé pour la fabrication de ces pièces complexes. C’est le préformage, première étape du procédé de fabrication par RTM, qui est étudié dans le cadre de cette thèse. Cette étape est cruciale du point de vue de la faisabilité de l’étape d’injection qui la suit dans le procédé RTM mais aussi pour s’assurer de la qu
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Martin, Manon. "Développement d'un modèle de transfert hydrique des sols forestiers partiellement tassés dans un contexte de données parcimonieuses." Thesis, Avignon, 2019. http://www.theses.fr/2019AVIG0713.

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L'augmentation de la mécanisation lors de l'exploitation forestière combinée aux changements climatiques augmente le risque de circuler dans les mauvaises conditions et donc de dégrader les sols. C'est pourquoi il est nécessaire de développer des outils d'aide à la décision capables de prédire la praticabilité des sols forestiers. Cependant, évaluer la praticabilité avec des outils simples et des données facilement accessibles est complexe. En effet, elle dépend de multiple facteurs : la susceptibilité du sol à se déformer, la charge appliquée, le seuil de déformation toléré et l'état hydrique
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Kaitheri, Athul. "Caractérisation des variations de masse en Antarctique en réponse aux fluctuations climatiques à partir des données de gravimétrie spatiale et d'altimétrie radar." Thesis, Université Côte d'Azur, 2021. http://www.theses.fr/2021COAZ4100.

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Quantifier le bilan de masse de l’Antarctique et son impact en termes de niveau de la mer, demande une bonne compréhension de la variabilité interannuelle ainsi que de ces causes. Ceci est devenu plus crucial dans le cadre du réchauffement climatique. Très peu d’études ont été faites sur l’influence des anomalies climatiques sur le comportement de l’Antarctique et sur l’évaluation de leurs impacts. Les variations de volume ou de masse de l’Antarctique sont en majorité basées sur l’altimétrie ou la gravimétrie spatiales. Dans cette thèse, nous utilisons les données des missions d’Envisat (2002
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Picart, Didier. "Comportement et mise en forme d'un explosif agrégataire." Cachan, Ecole normale supérieure, 1993. http://www.theses.fr/1993DENS0007.

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Cette étude concerne la modélisation du comportement d'un agrégat organique explosif et la simulation de sa mise en forme. Nous présentons tout d'abord la microstructure de ce matériau ainsi que son comportement tel qu'il est modélisé aujourd'hui lorsque la porosité minimale est atteinte. Puis l'enceinte isostatique développée lors de cette étude afin d'obtenir les courbes pression-changement de volume de l'agrégat à tout instant de la compaction est décrite ainsi que les différents essais isostatiques. La loi de comportement que nous formulons s'appuie en partie sur le modèle de la sphère cre
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Books on the topic "Modèle de compaction"

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R, Brewin Peter, ed. Modelling of powder die compaction. Springer, 2008.

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Brzesowsky, Rolf. Micromechanics of sand grain failure and sand compaction. Faculteit Aardwetenschappen, Universiteit Utrecht, 1996.

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Dawidowski, Bronisław. Proces ugniatania gleby i metoda prognozowania jej zagęszczenia w zmechanizowanych technologiach prac polowych. Wydawn. Akademii Rolniczej w Szczecinie, 1995.

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International Conference on Vibratory Pile Driving and Deep Soil Compaction (2000 Louvain-la-Neuve, Belgium). Vibratory pile driving and deep soil compaction: TRANSVIB2002 ; proceedings of the International Conference on Vibratory Pile Driving and Deep Soil Compaction, Louvain-la-Neuve, Belgium, 9-10 September 2002. Balkema, 2002.

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Center, Turner-Fairbank Highway Research, and Texas Transportation Institute, eds. Modeling of hot-mix asphalt compaction: A thermodynamics-based compressible viscoelastic model. U.S. Dept. of Transportation, Federal Highway Administration, Research, Development, and Technology, Turner-Fairbank Highway Research Center, 2010.

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E, Prudic David, and Geological Survey (U.S.), eds. Documentation of a computer program to simulate aquifer-system compaction using the modular finite-difference ground-water flow model. Dept. of the Interior, U.S. Geological Survey, 1988.

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E, Prudic David, and Geological Survey (U.S.), eds. Documentation of a computer program to simulate aquifer-system compaction using the modular finite-difference ground-water flow model. U.S. Dept. of the Interior, U.S. Geological Survey, 1991.

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Makarenkov, Dmitriy, and Vyacheslav Nazarov. Technique and technology of granulation of multicomponent polydisperse materials using combined processes of their preparation. INFRA-M Academic Publishing LLC., 2023. http://dx.doi.org/10.12737/1873862.

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The monograph examines the theoretical foundations and practice of granulating multicomponent polydisperse waste in various hardware design. Methods of structuring multicomponent polydisperse materials have been developed, the role of technological additives and mechanical activation processes has been revealed, which allows reducing energy consumption in granulation processes. Physical models of compaction of multicomponent polydisperse materials in granulating equipment with deformation foci of various shapes are proposed. The system analysis of chemical and technological processes of granul
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Ksenofontov, Boris, and Aleksandr Lukanin. Flotation combines for wastewater treatment with several working fluids. INFRA-M Academic Publishing LLC., 2023. http://dx.doi.org/10.12737/1938077.

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In the monograph, for the first time in world practice, the issues of intensification of flotation processes of wastewater treatment and compaction of excess activated sludge due to the use of several working fluids are considered. It is noted that flotation equipment is mainly used for wastewater treatment of pressure type. Although the flotation process has been known for a long time, there are relatively few fundamentally new technical solutions in this area. In this regard, the author describes in detail the method of flotation developed by the author with two and three working fluids, of
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Ksenofontov, Boris. Technological bases of wastewater sludge treatment using combined equipment and technologies. INFRA-M Academic Publishing LLC., 2024. http://dx.doi.org/10.12737/2137625.

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For the first time in world practice, the monograph examines the issues of intensification of flotation processes of compaction of excess activated sludge through the use of several working fluids. In this regard, the methods of flotation developed by the author with two and three working fluids are described in detail, of which one is a working fluid with a difficult—to-dissolve gas (air), and the others with easily soluble gases, for example, carbon dioxide and biogas. At the same time, the interpretation of the new effect is based on a multistage flotation model developed by the author. Thi
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Book chapters on the topic "Modèle de compaction"

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Dasgupta, Troyee, and Soumyajit Mukherjee. "Compaction of Sediments and Different Compaction Models." In Sediment Compaction and Applications in Petroleum Geoscience. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-13442-6_1.

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Shin, Hyunchul. "Layout Compaction for High-Performance/Large-Scale Circuits." In Advanced Routing of Electronic Modules. CRC Press, 2024. http://dx.doi.org/10.1201/9781003575245-9.

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Geldenhuys, J., P. J. A. de Villiers, and John Rushby. "Runtime Efficient State Compaction in Spin." In Theoretical and Practical Aspects of SPIN Model Checking. Springer Berlin Heidelberg, 1999. http://dx.doi.org/10.1007/3-540-48234-2_2.

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Renzulli, Joseph S., and Sally M. Reis. "Curriculum Compacting and Instructional Differentiation." In The Schoolwide Enrichment Model, 3rd ed. Routledge, 2021. http://dx.doi.org/10.4324/9781003238904-9.

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Renzulli, Joseph S., and Sally M. Reis. "Curriculum Compacting and Instructional Differentiation." In The Schoolwide Enrichment Model, 3rd ed. Routledge, 2021. http://dx.doi.org/10.4324/9781003238904-9.

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Xu, Guanghui, and George K. Chang. "Continuous Compaction Control – Mathematical Models and Parameter Identification." In Information Technology in Geo-Engineering. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-32029-4_49.

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Elizabeth, Annie Rose, and T. Jayachandran. "Shock-Granular Bed Interaction and Effect of Compaction Models." In Springer Proceedings in Physics. Springer Nature Singapore, 2024. https://doi.org/10.1007/978-981-97-6099-2_17.

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Gupta, S. C., and R. R. Allmaras. "Models to Assess the Susceptibility of Soils to Excessive Compaction." In Advances in Soil Science. Springer New York, 1987. http://dx.doi.org/10.1007/978-1-4612-4682-4_2.

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Liu, Ming Jun, Wei Xia, Zhao Yao Zhou, Pu Qing Chen, Jun Jun Wang, and Yuan Yuan Li. "Mechanical Models and Numerical Simulation of Rolling Compaction for Metal Powders." In Materials Science Forum. Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-421-9.817.

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Yücel, Melda, Zülal Akbay Arama, Hazal Berrak Gençdal, Begüm Başbuğ, and Edip Seçkin. "ANNs-Based Prediction Models for Consistency and Compaction Characteristics of Bentonite–Sand Mixtures." In Recent Research on Geotechnical Engineering, Remote Sensing, Geophysics and Earthquake Seismology. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-43218-7_17.

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Conference papers on the topic "Modèle de compaction"

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Brands, Ren�, Vikas Kumar Mishra, Jens Bartsch, Mohammad Al Khatib, Markus Thommes, and Naim Bajcinca. "From Experiment Design to Data-Driven Modeling of Powder Compaction Process." In The 35th European Symposium on Computer Aided Process Engineering. PSE Press, 2025. https://doi.org/10.69997/sct.101076.

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Tableting is a dry granulation process for compacting powder blends into tablets. In this process, a blend of active pharmaceutical ingredients (APIs) and excipients are fed into the hopper of a rotary tablet press via feeders. Inside the tablet press, rotating feed frame paddle wheels fill powder into dies, with tablet mass adjusted by the lower punch position during the die filling process. Pre-compression rolls press air out of the die, while main compression rolls apply the force necessary for compacting the powder into tablets. In this paper, process variables such as feeder screw speeds,
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Gao, Shang, and Brahim Benyahia. "Robust Techno-economic Analysis, Life Cycle Assessment, and Quality and Sustainability by Digital Design of Three Alternative Continuous Pharmaceutical Tablet Manufacturing Processes." In The 35th European Symposium on Computer Aided Process Engineering. PSE Press, 2025. https://doi.org/10.69997/sct.104102.

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This study presents a comprehensive comparison of the three alternative downstream manufacturing technologies for pharmaceuticals: i) Dry Granulation (DG) through roller compaction, ii) Direct Compaction (DC), and iii) Wet Granulation (WG) based on the economic, environmental and product quality performances. Firstly, the integrated dynamic mathematical models of the different downstream (drug product) processes were developed using gPROMS formulated products based on data from the literature or/and our recent experimental work. The process models were developed and simulated to reliably captu
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Koch, Andreas. "Module compaction in FPGA-based regular datapaths." In the 33rd annual conference. ACM Press, 1996. http://dx.doi.org/10.1145/240518.240608.

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Velilla, J. D. U., S. A. B. Fontoura, D. D. E. F. Melo, J. J. V. Braga, R. Dias, and C. S. Okama. "Numerical Approach to Evaluate Cements Sheath Barrier During Reservoir Compactation in Vertical Oil Wells." In 58th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2024. http://dx.doi.org/10.56952/arma-2024-1058.

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ABSTRACT: Reservoir depletion during hydrocarbon production can lead to rock compaction. This compaction is caused by the progressive decrease in pore pressure within the porous matrix. This paper presents an axisymmetric numerical approach to evaluate the integrity of the cement and casings inside the well due to the effect of compaction. A displacement field is used as a model boundary condition and gradually applied during the production stage after the well construction. The construction of the well is considered from the geostatic equilibrium of the materials, followed by the drilling and
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BARLOW, GEORGE, and SCOTT E. STAPLETON. "GENERATING WOVEN TEXTILE MODELS WITH INDUCED FIBER ENTANGLEMENT FOR CONTROLLING COMPOSITE THICKNESS." In Proceedings for the American Society for Composites-Thirty Eighth Technical Conference. Destech Publications, Inc., 2023. http://dx.doi.org/10.12783/asc38/36614.

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Generating realistic tow geometries is important for making effective models for textile composite materials. The geometry of the tows is controlled by the compaction response of the textile during manufacturing. Attaining a realistic compaction response from a textile model has been difficult due to the representation of fibers as unentangled. These tows containing idealized, parallel fibers without fiber entanglement or meandering compact with less resistance than tows with the entanglement found in manufactured textile composites. In this study, a method of introducing entanglement to the t
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Hill, Dwight D., John P. Fishburn, and Mary D. P. Leland. "Effective use of virtual grid compaction in macro-module generators." In the 22nd ACM/IEEE conference. ACM Press, 1985. http://dx.doi.org/10.1145/317825.317989.

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Hill, D. D., J. P. Fishburn, and M. D. P. Leland. "Effective Use of Virtual Grid Compaction in Macro-Module Generators." In 22nd ACM/IEEE Design Automation Conference. IEEE, 1985. http://dx.doi.org/10.1109/dac.1985.1586035.

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BARLOW, GEORGE, and SCOTT STAPLETON. "GENERATING WOVEN TEXTILE MODELS WITH INDUCED FIBER ENTANGLEMENT FOR ACHIEVING REALISTIC TOW FIBER VOLUME FRACTION." In Proceedings for the American Society for Composites-Thirty Seventh Technical Conference. Destech Publications, Inc., 2022. http://dx.doi.org/10.12783/asc37/36441.

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Meso-scale modeling can be an effective way to predict textile-reinforced composite performance when the geometry of the textile is known. Digital element fiber models can be used to obtain the textile reinforcement by allowing for the simulation of the manufacturing process of the textile to be replicated. While helpful, these textiles frequently become over compacted to a smaller than desired thickness due to the lower resistance an ideal unentangled fiber bundle provides to compaction. A bundle that contains entangled fibers as found in manufactured textiles provides greater resistance to c
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DaSilva, Robert A., and Julie Chen. "Lateral Compaction Effects in Braided Structures." In ASME 2001 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/imece2001/htd-24362.

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Abstract This paper addresses the phenomenology of strand interaction in biaxial non-embedded braided textile structures under uniaxial tension. The specific interest in the development of new braided textile structures is a result of the shortcomings of current rope, belt, and cable performance under large strain controlled conditions. However, this work also holds particular significance in the area of textile composite preforms. In composites forming, the lateral strand compaction mechanism, which drives braid behavior under tension, may be applied to woven fabrics for predicting wrinkling
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Someya, Kazunori, Toshiaki Aoki, and Naoki Ishihama. "Compaction of Spacecraft Operational Models with Metamodeling Domain Knowledge." In 18th International Conference on Evaluation of Novel Approaches to Software Engineering. SCITEPRESS - Science and Technology Publications, 2023. http://dx.doi.org/10.5220/0011839200003464.

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Reports on the topic "Modèle de compaction"

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Rahman, Shahedur, Rodrigo Salgado, Monica Prezzi, and Peter J. Becker. Improvement of Stiffness and Strength of Backfill Soils Through Optimization of Compaction Procedures and Specifications. Purdue University, 2020. http://dx.doi.org/10.5703/1288284317134.

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Vibration compaction is the most effective way of compacting coarse-grained materials. The effects of vibration frequency and amplitude on the compaction density of different backfill materials commonly used by INDOT (No. 4 natural sand, No. 24 stone sand, and No. 5, No. 8, No. 43 aggregates) were studied in this research. The test materials were characterized based on the particle sizes and morphology parameters using digital image analysis technique. Small-scale laboratory compaction tests were carried out with variable frequency and amplitude of vibrations using vibratory hammer and vibrato
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Fredenburg, David A., Theodore Clayton Carney, Christopher Allen Fichtl, and Scott D. Ramsey. (U) Influence of Compaction Model Form on Planar and Cylindrical Compaction Geometries. Office of Scientific and Technical Information (OSTI), 2018. http://dx.doi.org/10.2172/1416267.

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Upadhyaya, Shrini, Dan Wolf, William J. Chancellor, Itzhak Shmulevich, and Amos Hadas. Traction-Soil Compaction Tradeoffs as a Function of Dynamic Soil-Tire Interation Due to Varying Soil and Loading Conditions. United States Department of Agriculture, 1995. http://dx.doi.org/10.32747/1995.7612832.bard.

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The objectives of this study were to investigate soil-pneumatic tire interaction and develop traction-soil compaction prediction model. We have developed an inverse solution technique that employs a response surface methodology to determine engineering properties of soil in-situ. This technique is useful in obtaining actual properties of soil in-situ for use in traction and soil compaction studies rather than using the values obtained in the laboratory by employing remolded and/or disturbed soil samples. We have conducted extensive field tests i the U.S. to develop semi-empirical traction pred
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Wang, Chih-Hao, and Na Chen. A Gravity Model Integrating Land-Use and Transportation Policies for Sustainable Development: Case Study of Fresno, California. Mineta Transportation Institute, 2023. http://dx.doi.org/10.31979/mti.2023.2222.

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The idea of urban compaction has been long proposed and promoted to address the problem of urban sprawl in many American cities. However, there are still rare successful cases of such implementation in the United States. This study uses a classic gravity model, TELEM (Transpiration, Economic, and Land-Use Model) to examine to what extent a land-use or transportation policy must be regulated to make the urban compaction occur in a typical auto-dependent city—Fresno, California. Five scenarios are considered (BL, L1, L2, T1, and T2), in which the baseline (BL) is a natural growth scenario. Witho
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Zeller, Lucas, Daniel McGrath, Louis Sass, Shad O’Neel, Christopher McNeil, and Emily Baker. Beyond glacier-wide mass balances : parsing seasonal elevation change into spatially resolved patterns of accumulation and ablation at Wolverine Glacier, Alaska. Engineer Research and Development Center (U.S.), 2024. http://dx.doi.org/10.21079/11681/48497.

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We present spatially distributed seasonal and annual surface mass balances of Wolverine Glacier, Alaska, from 2016 to 2020. Our approach accounts for the effects of ice emergence and firn compaction on surface elevation changes to resolve the spatial patterns in mass balance at 10 m scale. We present and compare three methods for estimating emergence velocities. Firn compaction was constrained by optimizing a firn model to fit three firn cores. Distributed mass balances showed good agreement with mass-balance stakes (RMSE = 0.67 m w.e., r = 0.99, n = 41) and ground-penetrating radar surveys (R
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Reid, Alexander. Compaction-Based Deformable Terrain Model as an Interface for Real-Time Vehicle Dynamics Simulations. Defense Technical Information Center, 2013. http://dx.doi.org/10.21236/ada573959.

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Shin, Boonam, Nitin Tiwari, Peter J. Becker, and Antonio Bobet. Improved Light Weight Deflectometer Test (LWD) and Analysis. Purdue University, 2025. https://doi.org/10.5703/1288284317813.

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This study focused on improving light weight deflectometer (LWD) testing protocols and understanding material and equipment variability. The Indiana Department of Transportation (INDOT) adopted the LWD test for its efficiency and effectiveness in measuring soil stiffness, a crucial parameter for pavement structural layers. However, challenges remain for implementing LWD testing, particularly in small construction areas. There are also challenges with establishing standardized performance-related criteria for various subgrade treatments. To address these obstacles, this research aimed to develo
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Nazarenko, Ivan, and Oleksandr Diachenko. Experimental research of the working process of the vibration installation for compaction of concrete mixes with variable mode of oscilla-tions. Gіrnichі, budіvelnі, dorozhnі ta melіorativnі mashini, 2019. http://dx.doi.org/10.31493/gbdmm1892.0301.

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Shmulevich, Itzhak, Shrini Upadhyaya, Dror Rubinstein, Zvika Asaf, and Jeffrey P. Mitchell. Developing Simulation Tool for the Prediction of Cohesive Behavior Agricultural Materials Using Discrete Element Modeling. United States Department of Agriculture, 2011. http://dx.doi.org/10.32747/2011.7697108.bard.

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The underlying similarity between soils, grains, fertilizers, concentrated animal feed, pellets, and mixtures is that they are all granular materials used in agriculture. Modeling such materials is a complex process due to the spatial variability of such media, the origin of the material (natural or biological), the nonlinearity of these materials, the contact phenomenon and flow that occur at the interface zone and between these granular materials, as well as the dynamic effect of the interaction process. The lack of a tool for studying such materials has limited the understanding of the phen
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Snyder, Victor A., Dani Or, Amos Hadas, and S. Assouline. Characterization of Post-Tillage Soil Fragmentation and Rejoining Affecting Soil Pore Space Evolution and Transport Properties. United States Department of Agriculture, 2002. http://dx.doi.org/10.32747/2002.7580670.bard.

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Tillage modifies soil structure, altering conditions for plant growth and transport processes through the soil. However, the resulting loose structure is unstable and susceptible to collapse due to aggregate fragmentation during wetting and drying cycles, and coalescense of moist aggregates by internal capillary forces and external compactive stresses. Presently, limited understanding of these complex processes often leads to consideration of the soil plow layer as a static porous medium. With the purpose of filling some of this knowledge gap, the objectives of this Project were to: 1) Identif
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