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Статті в журналах з теми "Experimental Granular Mechanics"
Hall, S. A., and J. Wright. "Three-dimensional experimental granular mechanics." Géotechnique Letters 5, no. 4 (December 2015): 236–42. http://dx.doi.org/10.1680/jgele.15.00094.
Повний текст джерелаGoldshtein, Alexander, Michael Shapiro, Leonid Moldavsky, and Mati Fichman. "Mechanics of collisional motion of granular materials. Part 2. Wave propagation through vibrofluidized granular layers." Journal of Fluid Mechanics 287 (March 25, 1995): 349–82. http://dx.doi.org/10.1017/s002211209500098x.
Повний текст джерелаRusinek, R. "Experimental method for determination of the pressure distribution in granular solids." Research in Agricultural Engineering 49, No. 2 (February 8, 2012): 61–64. http://dx.doi.org/10.17221/4954-rae.
Повний текст джерелаHurley, R. C., S. A. Hall, and J. P. Wright. "Multi-scale mechanics of granular solids from grain-resolved X-ray measurements." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 473, no. 2207 (November 2017): 20170491. http://dx.doi.org/10.1098/rspa.2017.0491.
Повний текст джерелаAbdul Qadir Rahimoon. ""ABOUT STRESS TRANSMISSION THROUGH DISORDERED MEDIA CONFINED IN SILO GEOMETRY "." Bulletin of Toraighyrov University. Physics & Mathematics series, no. 1.2022 (March 28, 2022): 48–57. http://dx.doi.org/10.48081/wnvy4031.
Повний текст джерелаCIAMARRA, MASSIMO PICA, ANTONIO DE CANDIA, ANNALISA FIERRO, MARIO NICODEMI, and ANTONIO CONIGLIO. "STATISTICAL MECHANICS OF STATIC GRANULAR PACKINGS UNDER GRAVITY." International Journal of Modern Physics B 23, no. 28n29 (November 20, 2009): 5345–58. http://dx.doi.org/10.1142/s0217979209063675.
Повний текст джерелаShukla, A., C. Y. Zhu, and M. Sadd. "Angular dependence of dynamic load transfer due to explosive loading in granular aggregate chains." Journal of Strain Analysis for Engineering Design 23, no. 3 (July 1, 1988): 121–27. http://dx.doi.org/10.1243/03093247v233121.
Повний текст джерелаAleksandrov, A. S., A. V. Smirnov, and T. V. Semenova. "Stress Investigation in Pavement Layers and a New Nalculation Model." Materials Science Forum 945 (February 2019): 813–20. http://dx.doi.org/10.4028/www.scientific.net/msf.945.813.
Повний текст джерелаSornette, A., D. Sornette, and P. Evesque. "Frustration and disorder in granular media and tectonic blocks: implications for earthquake complexity." Nonlinear Processes in Geophysics 1, no. 4 (December 31, 1994): 209–18. http://dx.doi.org/10.5194/npg-1-209-1994.
Повний текст джерелаElkholy, Karim N., and M. M. Khonsari. "Granular Collision Lubrication: Experimental Investigation and Comparison to Theory." Journal of Tribology 129, no. 4 (May 25, 2007): 923–32. http://dx.doi.org/10.1115/1.2768613.
Повний текст джерелаДисертації з теми "Experimental Granular Mechanics"
Jadrnak, Sharon Marie. "Experimental studies of bimodal granular material flows." Thesis, Georgia Institute of Technology, 1989. http://hdl.handle.net/1853/16107.
Повний текст джерелаGarcía, Aragón Juan Antonio. "Experimental and analytical investigations of granular-fluid mixtures down inclines." Thesis, McGill University, 1993. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=41021.
Повний текст джерелаThe results are compared with measurements from an experimental chute in which the inclination, the solids flow rate and fluid flow rate are all varied. The theory is found to give a good qualitative account of the observed behaviour. Finally an application of the model to the description of the mechanical behaviour of the Nevado del Ruiz 1985 debris flow is attempted.
Zoueshtiagh, Farzam. "Experimental and computational study of spiral patterns in granular media underneath a rotating fluid." Thesis, University of Warwick, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.247353.
Повний текст джерелаBougouin, Alexis. "Etude expérimentale de l'effondrement d'une colonne fluide-grains." Thesis, Toulouse, INPT, 2017. http://www.theses.fr/2017INPT0113/document.
Повний текст джерелаOn the Earth's surface, granular medias are ubiquitous and they are rarely dissociated from a liquid or a gas. The fluid-solid interaction leads to a complex flow dynamics of these coupled systems. This experimental work aims at characterizing the dynamics of the unsteady gravitydrivencollapse of a granular-fluid column within different configurations of the diphasic mixture. First, the flow dynamics of a neutrally buoyant suspension in air are characterized based on a macroscopic description of the flow. In particular, the rheological parameters of the apparent fluid have been extracted using the temporal evolution of the propagating front and self-similar solutions, models of the propagating dynamics at long times. In the considered range of the Reynolds number, the flow dynamics are described as an apparent Newtonian or non-Newtonian (shear-thinning/-thickening, viscoplastic) fluid depending on the various parameters (volume fraction, viscosity of the interstitial fluid, particle diameter, mixing protocol). In order to describe the opposite case of a sedimentary environment where particle-particle interaction becomes dominant, a second part of this work investigates the case of a fluid-saturated granular collapse, i.e. for which particles are heavier than the carrier fluid, in a dense packing configuration. For this purpose, a first part of the study is dedicated to characterize the collapse of an immersed granular column. The dissipative role of the fluid on the granular media is highlighted by an analysis of the collapse dynamics and the characteristics of the final deposit. This characterization allows to classify the regimes of the collapse depending on the viscosity and the density of the surrounding fluid, i.e. the Stokes number and the fluid-grain density ratio. In the triphasic case, i.e. when the granular-fluid column collapses in air, the dynamics may be strongly affected by capillary effects through the Bond number which controls the initial dynamics of the column. When these effects can be neglected (large Bond number) at the column and grain scales, the interstitial fluid can have a driven or a dissipative role on the granular media leading to a runout length more or less extended in comparison to the dry case. The role of the interstitial fluid depends mainly on its viscosity which also modifies the collapse dynamics. Finally, a preliminary study is realized on the flow dynamics of an initially homogeneous negative buoyant suspension column. This case, which makes the transition between the above mentioned configurations, allows to study the coupling between the settling dynamics of particles and this of the current. In particular, we observe that the settling velocity decreases with the increase of the initial volume fraction of particles
Robbe-Saule, Manon. "Modélisation expérimentale de génération de tsunami par effondrement granulaire." Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLS497/document.
Повний текст джерелаVarious past geological events have shown that landslides near coastlines, involving volumes from a few thousand cubic meters to several cubic kilometers, can lead to tsunami waves with significant amplitude. The generated wave and the collapse both represent an important hazard for the population and infrastructure located on or near the coast. Realistic modeling requires considering the granular nature of landslides. Here, we developed a new set of small-scale laboratory experiments to investigate in detail the wave generated by the collapse of an aerial granular column into water. An entire set of parameters are tested: (1) the falling granular mass (height, volume, aspect ratio, grain size and density), (2) the water layer height and (3) the geometrical configuration (horizontal or inclined plane). From quasi-bidimensional experiments in a rectangular channel we record both the time evolution of the granular collapse and of the generated wave. We show that the wave generation process is driven by the collective dynamics of the granular collapse at the water free surface. We identify a clear linear dependence between the relative wave amplitude and a Froude number defined as the ratio of the granular front velocity and the solitary wave velocity. The wave amplitude reaches its maximum value at an intermediate water depth. The total energy transfer shows that only a few percent of the initial potential energy of the column is transferred to the wave, suggesting a considerable energy loss in the granular collapse itself. Finally, we highlight the low influence diameter and density of the falling grain in the generation of the wave. This suggests that the mass of the collapse is of low importance compared to its volume. Another interesting result is the linear dependence of the relative wave amplitude with the relative immersed volume of the final deposit. This allows us to estimate the wave amplitude generated by past or potential events in Nature. Despite the various scales and geometries of these natural events, and the uncertainty of the data, our empirical law, from our small-scale experiment, predicts waves similar to other numerical or experimental models
Lachaussée, Florent. "Érosion et transport de particules au voisinage d'un obstacle." Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLS377/document.
Повний текст джерелаErosion occurs when a fluid flowing over a granular bed exerts a large enough shear stress. When the fluid encounters an obstacle, the modification of the flow leads to a local over speed, and thus on an increase of the shear stress in the vicinity of the obstacle. As a result, the erosion is locally enhanced and is called scouring. In this work, we investigate this complicated situation experimentally at the laboratory scale. In particular, we address the question of the scouring threshold, i.e., the minimum critical approach velocity of the fluid leading to erosion in the vicinity of the obstacle. We report the existence of two different scouring patterns: the traditional horseshoe scour at the base of the obstacle, which dominates at large flow velocities, and we also highlight another scouring pattern downstream, which is called rabbit ear scour, at moderate speeds. We determine the onset of both erosion patterns visually using different grains and obstacles. Besides, we measure the bed topography over time using a laser profilometer. By monitoring the bed topography during the scouring process, we characterize the morphology of both scouring patterns and rationalize their competitive dynamics by measuring their formation timescale. In most cases, the rabbit ear scour development is inhibited by the faster horseshoe scour growth. The characterization of the flow using Particles Image Velocimetry (PIV), provides information on the shear stress exerted by the fluid flow on the grains, with and without obstacle. We can thus rationalize the threshold values for both scouring patterns, associated with different flow structures
Kasangaki, Gilbert Joseph. "Experimental study of hydro-mechanical behaviour of granular materials." Thesis, Heriot-Watt University, 2012. http://hdl.handle.net/10399/2659.
Повний текст джерелаHarich, Rim. "Etude experimentale de la transition Jamming dans un milieu granulaire vibré." Phd thesis, Université Pierre et Marie Curie - Paris VI, 2010. http://pastel.archives-ouvertes.fr/pastel-00559024.
Повний текст джерелаKarmakar, Somnath [Verfasser], and Ralf [Akademischer Betreuer] Seemann. "Experimental investigations of mechanical properties of wet granular materials / Somnath Karmakar. Betreuer: Ralf Seemann." Saarbrücken : Saarländische Universitäts- und Landesbibliothek, 2014. http://d-nb.info/1072418525/34.
Повний текст джерелаAboul, Hosn Rodaina. "Suffusion and its effects on the mechanical behavior of granular soils : numerical and experimental investigations." Thesis, Université Grenoble Alpes (ComUE), 2017. http://www.theses.fr/2017GREAI082/document.
Повний текст джерелаSuffusion is a particular case of internal erosion taking place in hydraulic earth structures. It is characterized by the detachment and migration of fine particles by interstitial flow leaving behind the granular skeleton. Such modifications in the soil microstructure may lead to deformations at the macroscopic scale and may influence the mechanical behavior of the soil. This research was devoted to investigate the suffusion mechanism and its impact on the mechanical properties of cohesionless soils. To achieve this objective, two approaches were followed in this work: numerical and experimental approaches. A discrete numerical model was defined to describe quantitatively the soil macroscopic behavior and to analyze the microstructure of granular assemblies. It is based on the use of spherical particles and contact rolling resistance, as well as a new method of compaction to mimic the one used in laboratory and to reach a wide range of initial densities. The model was validated through comparison of numerical results with experimental data. This model was first applied on granular assemblies with different fines contents to study the role of fine particles with respect to a given soil microstructure, without taking into account an erosion process. It was shown that there exists a fines content, below the threshold, where fine particles may start to participate in the force transfer that if suffusion initiates and mobilizes these particles, it may affect the macroscopic behavior of the soil. Thereafter, a simplified kinetics of grain extraction was proposed to describe the suffusion process. It was based on a one-way fluid-solid coupling approach. The importance of this extraction procedure is that, on one hand, it takes into account complex geometric and hydraulic criteria; on the other hand, the model involves an affordable computational cost. This procedure was validated based on experimental tests carried out using a newly developed suffusion apparatus. Consequences of this erosion on the mechanical properties of soils were characterized from experimental and simulated triaxial compression tests. Suffusion development and its consequences on the macroscopic behavior are discussed from the results obtained in terms of the initial soil density and gradation, the hydraulic loading and the type of eroded particles (active or inactive in the force transfer)
Книги з теми "Experimental Granular Mechanics"
Tejchman, Jacek. Confined Granular Flow in Silos: Experimental and Numerical Investigations. Heidelberg: Springer International Publishing, 2013.
Знайти повний текст джерелаTejchman, Jacek. Confined Granular Flow in Silos: Experimental and Numerical Investigations. Springer International Publishing AG, 2015.
Знайти повний текст джерелаTejchman, Jacek. Confined Granular Flow in Silos: Experimental and Numerical Investigations. Springer, 2013.
Знайти повний текст джерелаVaicis, Ivo. Shape Optimization of Mechanical System Elements Considering Uncertainty. RTU Press, 2022. http://dx.doi.org/10.7250/9789934227356.
Повний текст джерелаEimanis, Mārcis. Usage of Double-Helical Propulsion Principle in Underwater Vehicles. RTU Press, 2022. http://dx.doi.org/10.7250/9789934227370.
Повний текст джерелаLouchet, Francois. Snow Avalanches. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198866930.001.0001.
Повний текст джерелаЧастини книг з теми "Experimental Granular Mechanics"
Góngora-Leyva, Ever, Gerardo Ruiz-Chavarría, Ángel Columbié-Navarro, and Yoalbis Retirado-Mediacejas. "The Cooling of a Granular Material in a Rotating Horizontal Cylinder." In Experimental and Computational Fluid Mechanics, 197–205. Cham: Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-00116-6_14.
Повний текст джерелаJongchansitto, Pawarut, Xavier Balandraud, Michel Grédiac, and Ittichai Preechawuttipong. "Measurement of Stress Network in Granular Materials from Infrared Measurement." In Experimental and Applied Mechanics, Volume 6, 163–66. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-06989-0_22.
Повний текст джерелаBek, M., A. Oseli, I. Saprunov, N. Holeček, B. S. von Bernstorff, and I. Emri. "Effect of Pressure on Damping Properties of Granular Polymeric Materials." In Conference Proceedings of the Society for Experimental Mechanics Series, 109–15. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-21762-8_13.
Повний текст джерелаSerrano, D. A., G. Ruíz Chavarría, S. Álvarez, and A. Medina. "Mass Flow Rate of Granular Material from an L-Valve Without Aeration." In Selected Topics of Computational and Experimental Fluid Mechanics, 303–9. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-11487-3_20.
Повний текст джерелаTrujillo, Leonardo, and Leonardo Di G. Sigalotti. "Theoretical Physics of Granular Fluids and Solids." In Computational and Experimental Fluid Mechanics with Applications to Physics, Engineering and the Environment, 165–91. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-00191-3_8.
Повний текст джерелаBek, M., J. Gonzalez-Gutierrez, and I. Emri. "New Methodology for Steady-State Friction Measurements of Granular Materials Under Pressure." In Conference Proceedings of the Society for Experimental Mechanics Series, 105–13. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-42028-8_13.
Повний текст джерелаKaranjgaokar, Nikhil, and Guruswami Ravichandran. "Experimental Inference of Inter-Particle Forces in Granular Systems Using Digital Image Correlation." In Advancement of Optical Methods in Experimental Mechanics, Volume 3, 379–85. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-06986-9_45.
Повний текст джерелаMarín, Juan F., Juan C. Petit, Leonardo Di G. Sigalotti, and Leonardo Trujillo. "Integral Representation for Continuous Matter Fields in Granular Dynamics." In Computational and Experimental Fluid Mechanics with Applications to Physics, Engineering and the Environment, 473–80. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-00191-3_33.
Повний текст джерелаJongchansitto, Pawarut, Damien Boyer, Itthichai Preechawuttipong, and Xavier Balandraud. "Identification of Interparticle Contacts in Granular Media Using Mechanoluminescent Material." In Advancements in Optical Methods & Digital Image Correlation in Experimental Mechanics, Volume 3, 87–92. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-30009-8_12.
Повний текст джерелаPetit, Juan C., Juan F. Marín, and Leonardo Trujillo. "On the Construction of a Continuous Theory for Granular Flows." In Computational and Experimental Fluid Mechanics with Applications to Physics, Engineering and the Environment, 463–71. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-00191-3_32.
Повний текст джерелаТези доповідей конференцій з теми "Experimental Granular Mechanics"
Liao, C. C., and S. S. Hsiau. "The granular mixing in a slurry rotating drum." In Fourth International Conference on Experimental Mechanics, edited by Chenggen Quan, Kemao Qian, Anand K. Asundi, and Fook S. Chau. SPIE, 2009. http://dx.doi.org/10.1117/12.851260.
Повний текст джерелаKandasami, R. K., and T. G. Murthy. "Experimental studies on the mechanics of cohesive frictional granular media." In POWDERS AND GRAINS 2013: Proceedings of the 7th International Conference on Micromechanics of Granular Media. AIP, 2013. http://dx.doi.org/10.1063/1.4812099.
Повний текст джерелаHaidl, J., Z. Chára, and V. Matoušek. "Experimental Validation of Granular Flow Kinetic Theory Under Turbulent Flow Conditions." In Topical Problems of Fluid Mechanics 2022. Institute of Thermomechanics of the Czech Academy of Sciences, 2022. http://dx.doi.org/10.14311/tpfm.2022.011.
Повний текст джерелаLiu, Junyi, Baoyu Guo, and Zhengsong Qiu. "Experimental Investigation on Wellbore Strengthening Mechanism and Tight Fracture Plugging Drilling Fluid Based on Granular Matter Mechanics." In International Petroleum Technology Conference. International Petroleum Technology Conference, 2019. http://dx.doi.org/10.2523/19144-ms.
Повний текст джерелаLiu, Junyi, Baoyu Guo, and Zhengsong Qiu. "Experimental Investigation on Wellbore Strengthening Mechanism and Tight Fracture Plugging Drilling Fluid Based on Granular Matter Mechanics." In International Petroleum Technology Conference. International Petroleum Technology Conference, 2019. http://dx.doi.org/10.2523/iptc-19144-ms.
Повний текст джерелаHagengruber, Tyler L. "Strength effects of microfracture on granular microstructures evaluated by FDEM direct numerical simulation." In 56TH US ROCK MECHANICS / GEOMECHANICS SYMPOSIUM. OnePetro, 2022. http://dx.doi.org/10.56952/arma-2022-2209.
Повний текст джерелаSaeki, Masato. "Impact Damping With Granular Materials." In ASME 2001 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/imece2001/ad-23745.
Повний текст джерелаCroll, Andrew B., Antoinette Tordesillas, David Carey, and Bekele Gurmessa. "Experimental evidence and structural mechanics analysis of force chain buckling at the microscale in a 2D polymeric granular layer." In POWDERS AND GRAINS 2013: Proceedings of the 7th International Conference on Micromechanics of Granular Media. AIP, 2013. http://dx.doi.org/10.1063/1.4811954.
Повний текст джерелаMieldazys, Ramunas, Egle Jotautiene, Aloyzas Gaudutis, and Algirdas Jasinskas. "Comparison of physical mechanical properties of granulated fertilizer produced from composted cattle and dried cow, Pig and poultry manure." In 22nd International Scientific Conference Engineering for Rural Development. Latvia University of Life Sciences and Technologies, Faculty of Engineering, 2023. http://dx.doi.org/10.22616/erdev.2023.22.tf051.
Повний текст джерелаEvesque, Pierre. "Evidence for a new force in dissipative system derived from Boltzmann equation: Consequence for the mechanics of the material point, experimental evidences and possible applications." In POWDERS AND GRAINS 2013: Proceedings of the 7th International Conference on Micromechanics of Granular Media. AIP, 2013. http://dx.doi.org/10.1063/1.4812048.
Повний текст джерелаЗвіти організацій з теми "Experimental Granular Mechanics"
Tan, Peng, and Nicholas Sitar. Parallel Level-Set DEM (LS-DEM) Development and Application to the Study of Deformation and Flow of Granular Media. Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA, March 2023. http://dx.doi.org/10.55461/kmiz5819.
Повний текст джерелаMatthew, Gray. Data from "Winter is Coming – Temperature Affects Immune Defenses and Susceptibility to Batrachochytrium salamandrivorans". University of Tennessee, Knoxville Libraries, January 2021. http://dx.doi.org/10.7290/t7sallfxxe.
Повний текст джерела