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Bibliographies thématiques / Numerical model, faults, rheology

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Littérature scientifique sur le sujet « Numerical model, faults, rheology »

Auteur : Grafiati

Publié le 10 mars 2023

Mis à jour le 31 juillet 2025

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Articles de revues sur le sujet "Numerical model, faults, rheology"

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Moore, Peter L., Neal R. Iverson, and Denis Cohen. "Ice flow across a warm-based/cold-based transition at a glacier margin." Annals of Glaciology 50, no. 52 (2009): 1–8. http://dx.doi.org/10.3189/172756409789624319.

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AbstractWhere polythermal glaciers have frozen margins that buttress otherwise temperate-based sliding ice, longitudinal compression can strongly influence ice-flow trajectory, and consequently sediment transport paths. Past efforts to model flow in the vicinity of a basal thermal transition (BTT) have generally relied on simplified boundary conditions or rheological idealizations, making these model results difficult to apply to real glacier termini. Herein, we present results of numerical simulations using a power-law rheology and with boundary conditions that better represent the frozen mar

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Saxena, Arushi, Eunseo Choi, Christine A. Powell, and Khurram S. Aslam. "Seismicity in the central and southeastern United States due to upper mantle heterogeneities." Geophysical Journal International 225, no. 3 (2021): 1624–36. http://dx.doi.org/10.1093/gji/ggab051.

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SUMMARY Sources of stress responsible for earthquakes occurring in the Central and Eastern United States (CEUS) include not only far-field plate boundary forces but also various local contributions. In this study, we model stress fields due to heterogeneities in the upper mantle beneath the CEUS including a high-velocity feature identified as a lithospheric drip in a recent regional P-wave tomography study. We calculate velocity and stress distributions from numerical models for instantaneous 3-D mantle flow. Our models are driven by the heterogeneous density distribution based on a temperatur

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Preuss, Simon, Jean Paul Ampuero, Taras Gerya, and Ylona van Dinther. "Characteristics of earthquake ruptures and dynamic off-fault deformation on propagating faults." Solid Earth 11, no. 4 (2020): 1333–60. http://dx.doi.org/10.5194/se-11-1333-2020.

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Abstract. Natural fault networks are geometrically complex systems that evolve through time. The evolution of faults and their off-fault damage patterns are influenced by both dynamic earthquake ruptures and aseismic deformation in the interseismic period. To better understand each of their contributions to faulting we simulate both earthquake rupture dynamics and long-term deformation in a visco-elasto-plastic crust subjected to rate- and state-dependent friction. The continuum mechanics-based numerical model presented here includes three new features. First, a 2.5-D approximation is created

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Le Pourhiet, L., B. Huet, L. Labrousse, K. Yao, P. Agard, and L. Jolivet. "Strain localisation in mechanically layered rocks beneath detachment zones: insights from numerical modelling." Solid Earth 4, no. 1 (2013): 135–52. http://dx.doi.org/10.5194/se-4-135-2013.

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Abstract. We have designed a series of fully dynamic numerical simulations aimed at assessing how the orientation of mechanical layering in rocks controls the orientation of shear bands and the depth of penetration of strain in the footwall of detachment zones. Two parametric studies are presented. In the first one, the influence of stratification orientation on the occurrence and mode of strain localisation is tested by varying initial dip of inherited layering in the footwall with regard to the orientation of simple shear applied at the rigid boundary simulating a rigid hanging wall, all sca

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Andrea Bizzarri, Alberto Petri, and Andrea Baldassarri. "Earthquake dynamics constrained from laboratory experiments: new insights from granular materials." Annals of Geophysics 64, no. 4 (2021): SE441. http://dx.doi.org/10.4401/ag-8613.

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The traction evolution is a fundamental ingredient to model the dynamics of an earthquake rupture which ultimately controls, during the coseismic phase, the energy release, the stress redistribution and the consequent excitation of seismic waves. In the present paper we explore the use of the friction behavior derived from laboratory shear experiments performed on granular materials at low normal stress. We find that the rheological properties emerging from these laboratory experiments can not be described in terms of preexisting governing models already presented in literature; our results in

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Gomar, Fatemeh, Jonas B. Ruh, Mahdi Najafi, and Farhad Sobouti. "Importance of basement faulting and salt decoupling for the structural evolution of the Fars Arc (Zagros fold-and-thrust belt): a numerical modeling approach." Solid Earth 15, no. 12 (2024): 1479–507. https://doi.org/10.5194/se-15-1479-2024.

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Abstract. Understanding the tectonic evolution and crustal-scale structure of fold-and-thrust belts is crucial for exploring geological resources and evaluating seismic hazards. We conducted a series of two-dimensional finite difference thermomechanical numerical models with a visco–elasto–plastic/brittle rheology to decipher how the interaction between inherited basement faults and salt décollement levels control the deformation process and structural style of the Fars Arc in the Zagros fold-and-thrust belt during tectonic inversion. Numerical experiments with extension and consequent converg

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Seol, D. E., and C. G. Kang. "Numerical Analysis of Two-Phase Thermal Flow for Rheology Forging Process." Solid State Phenomena 116-117 (October 2006): 673–76. http://dx.doi.org/10.4028/www.scientific.net/ssp.116-117.673.

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The algorithm two-phase flow model, developed in this study, gives die filling patterns, velocity, temperature and solid fraction of rheology material during rheology forging process. To calculate the velocity and temperature fields, the respective governing equations corresponding to the liquid and solid region were adapted. Therefore, respective numerical models considering the solid and liquid phase co-existent within the rheology material have been developed to predict the defects of part manufactured by the rheology forging process. This study has focused on the simulation of the rheology

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Motuzas, Charlotte A., and Robert Shcherbakov. "Viscoelastic Slider Blocks as a Model for a Seismogenic Fault." Entropy 25, no. 10 (2023): 1419. http://dx.doi.org/10.3390/e25101419.

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In this work, a model is proposed to examine the role of viscoelasticity in the generation of simulated earthquake-like events. This model serves to investigate how nonlinear processes in the Earth’s crust affect the triggering and decay patterns of earthquake sequences. These synthetic earthquake events are numerically simulated using a slider-block model containing viscoelastic standard linear solid (SLS) elements to reproduce the dynamics of an earthquake fault. The simulated system exhibits elements of self-organized criticality, and results in the generation of avalanches that behave simi

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Finzi, Yaron, Elizabeth H. Hearn, Yehuda Ben-Zion, and Vladimir Lyakhovsky. "Structural Properties and Deformation Patterns of Evolving Strike-slip Faults: Numerical Simulations Incorporating Damage Rheology." Pure and Applied Geophysics 166, no. 10-11 (2009): 1537–73. http://dx.doi.org/10.1007/s00024-009-0522-1.

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Chen, Ge, Xiao Cong Ren, and Xiao Zheng. "Numerical Simulation of Flaxseed and Cottonseed Oil Cakes." Applied Mechanics and Materials 687-691 (November 2014): 631–36. http://dx.doi.org/10.4028/www.scientific.net/amm.687-691.631.

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The pressed oil-extraction process is essentially a process of oil seepage through porous cake-shaped media. Permeability of seepage field changes along with the change of porous media caused by press pressure. The change of permeability affects fluid pressure and effective pressure of oil cake pores, which means that porosity is influenced. On the contrary, the change of porosity also has an impact on permeability. The interaction between the seepage and rheology fields is termed as fluid-solid coupling. If rheology of oil cakes is considered, the fluid-solid coupling seepage with the rheolog

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Plus de sources

Thèses sur le sujet "Numerical model, faults, rheology"

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Bai, Zhuofu. "LOCALIZING FAULTS IN NUMERICAL SOFTWARE USING A VALUE-BASED CAUSAL MODEL." Case Western Reserve University School of Graduate Studies / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=case1459437802.

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Lee, Hisung. "A numerical solution to the elastohydrodynamic problem incorporating a non-newtonian rheological model." Diss., Georgia Institute of Technology, 1991. http://hdl.handle.net/1853/15945.

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Vasilic, Ksenija. "A Numerical Model for Self-Compacting Concrete Flow through Reinforced Sections: a Porous Medium Analogy." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-194402.

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This thesis addresses numerical simulations of self-compacting concrete (SCC) castings and suggests a novel modelling approach that treats reinforcement zones in a formwork as porous media. As a relatively new field in concrete technology, numerical simulations of fresh concrete flow can be a promising aid to optimise casting processes and to avoid on-site casting incidents by predicting the flow behaviour of concrete during the casting process. The simulations of fresh concrete flow generally involve complex mathematical modelling and time-consuming computations. In case of a casting predicti

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Taverna, Joël. "Modélisation mécanique des déformations de la lithosphère." Grenoble 1, 1998. http://www.theses.fr/1998GRE10084.

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Les objectifs de cette these sont de decrire les mecanismes de deformations de la lithosphere en regime compressif, et le controle impose par les parametres mecaniques sur la maniere dont le raccourcissement horizontal est accommode (par la formation de plis, de chevauchements, ou encore par epaississement homogene). Nous avons etudie la nature des instabilites susceptibles de se developper en utilisant des calculs analytiques bases sur la resolution des equations de navier-stokes ainsi que leur evolution pour des taux de deformation importants a partir de modeles analogiques et de calculs num

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Finocchio, Debora. "Modellazione numerica agli elementi finiti per sistemi di faglie potenzialmente sismogenetiche nel territorio italiano, con particolare riferimento alla zona della sequenza sismica umbro-marchigiana del 1997." Thesis, 2013. http://hdl.handle.net/2122/8530.

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Lo scopo fondamentale di questo lavoro è l’applicazione delle tecniche di modellazione numerica per lo studio di sistemi di faglie per verificarne il loro potenziale sismogenetico. Determinare quale faglia merita più attenzione, dal punto di vista del rischio sismico, è una questione attualmente ancora dibattuta. Lo confermano, ad esempio, i terremoti di l’Aquila nel 2009 e di Sumatra nel 2004. Inoltre, secondo uno studio di Wyss et al. (2012), il numero di morti causati dai recenti terremoti è da 100 a 1000 volte più elevato rispetto ai valori predetti dalla mappa mondiale di hazard. Le pro

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Scandura, Danila. "Physical-Mathematical modeling and numerical simulations of stress-strain state in seismic and volcanic regions." Thesis, 2009. http://hdl.handle.net/2122/5952.

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The strain-stress state generated by faulting or cracking and influenced by the strong heterogeneity of the internal earth structure precedes and accompanies volcanic and seismic activity. Particularly, volcanic eruptions are the culmination of long and complex geophysical processes and physical processes which involve the generation of magmas in the mantle or in the lower crust, its ascent to shallower levels, its storage and differentiation in shallow crustal chambers, and, finally, its eruption at the Earth’s surface. Instead, earthquakes are a frictional stick-slip instability arising alon

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Vasilic, Ksenija. "A Numerical Model for Self-Compacting Concrete Flow through Reinforced Sections: a Porous Medium Analogy." Doctoral thesis, 2014. https://tud.qucosa.de/id/qucosa%3A29183.

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This thesis addresses numerical simulations of self-compacting concrete (SCC) castings and suggests a novel modelling approach that treats reinforcement zones in a formwork as porous media. As a relatively new field in concrete technology, numerical simulations of fresh concrete flow can be a promising aid to optimise casting processes and to avoid on-site casting incidents by predicting the flow behaviour of concrete during the casting process. The simulations of fresh concrete flow generally involve complex mathematical modelling and time-consuming computations. In case of a casting predic

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Chapitres de livres sur le sujet "Numerical model, faults, rheology"

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Giraud, L. "A Lattice Boltzmann Model for the Numerical Simulation of Non-Linear Viscoelastic Fluids." In Progress and Trends in Rheology V. Steinkopff, 1998. http://dx.doi.org/10.1007/978-3-642-51062-5_166.

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Mitsoulis, E., and X. L. Luo. "Convergence Studies in the Numerical Simulation of Viscoelastic Melts Using the K-Bkz Model." In Third European Rheology Conference and Golden Jubilee Meeting of the British Society of Rheology. Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-0781-2_125.

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Finzi, Yaron, Elizabeth H. Hearn, Yehuda Ben-Zion, and Vladimir Lyakhovsky. "Structural Properties and Deformation Patterns of Evolving Strike-slip Faults: Numerical Simulations Incorporating Damage Rheology." In Mechanics, Structure and Evolution of Fault Zones. Birkhäuser Basel, 2009. http://dx.doi.org/10.1007/978-3-0346-0138-2_2.

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Raj, Suraj, S. Anil Lal, and Anjan R. Nair. "Numerical Simulation of Flow in an Idealized Intracranial Aneurysm Model to Study the Effect of Non-newtonian Blood Flow Rheology." In Fluid Mechanics and Fluid Power, Volume 4. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-7177-0_57.

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BARANGER, J., and D. SANDRI. "NUMERICAL ANALYSIS OF SOME FINITE ELEMENT METHOD FOR THE APPROXIMATION OF DIFFERENTIAL MODEL FOR VISCOELASTIC FLOW." In Theoretical and Applied Rheology. Elsevier, 1992. http://dx.doi.org/10.1016/b978-0-444-89007-8.50099-x.

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Li, Linfeng, Yating Yu, Qin Hong, and Zhenwei Wang. "Numerical Investigation on Faults Diagnosis for AC Induction Machine by Magnetic Flux Distribution." In Studies in Applied Electromagnetics and Mechanics. IOS Press, 2020. http://dx.doi.org/10.3233/saem200016.

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AC induction machines are widely used in electric servo drive, information processing, transportation and other fields. However, the unexpected faults cause the serious threat for the normal operation and operator’s safety. Therefore, timely faults diagnosis is an effective way to ensure the AC induction machines to work in health condition. In AC induction machines, magnetic field is the basis of energy conversion of motor, and the faults have the directly influence on the electromagnetic field distribution. In this paper, 2D numerical model of the AC squirrel-cage asynchronous induction mach

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"Model test and numerical simulation of tunnel in country rocks with faults." In Boundaries of Rock Mechanics. CRC Press, 2008. http://dx.doi.org/10.1201/9780203883204-149.

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Zhang, N., B. Yang, S. Wang, and W. Liu. "Model test and numerical simulation of tunnel in country rocks with faults." In Boundaries of Rock Mechanics. Taylor & Francis, 2008. http://dx.doi.org/10.1201/9780203883204.ch141.

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"Inter-well tracer test models for underground formations having conductive faults: development of a numerical model and comparison against analytical models." In Mathematical and Numerical Modeling in Porous Media. CRC Press, 2012. http://dx.doi.org/10.1201/b12080-14.

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Aguilar Deysi Garcia and Romanel Celso. "Finite Element Analysis in an Open Pit Mine Including Rock Faults." In Integrating Innovations of Rock Mechanics. IOS Press, 2015. https://doi.org/10.3233/978-1-61499-605-7-373.

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This study investigates the influence of lithological discontinuities in the slope behavior of an open pit mine located in Peru. According to surveys of structural geology, the region of the mine has two large main systems of faults, separated from distances greater than 200m, and several secondary fractures, separated from distances greater than 20m. These faults can affect the stability of the slopes and turn themselves into preferred channels of water infiltration to the mining area. Field tests were carried out to obtain the properties of the intact rock, the quality of the rock mass and s

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Actes de conférences sur le sujet "Numerical model, faults, rheology"

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Mitran, Sorin M., Albert Co, Gary L. Leal, Ralph H. Colby, and A. Jeffrey Giacomin. "A Numerical Model of Viscoelastic Layer Entrainment by Airflow in Cough." In THE XV INTERNATIONAL CONGRESS ON RHEOLOGY: The Society of Rheology 80th Annual Meeting. AIP, 2008. http://dx.doi.org/10.1063/1.2964779.

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Volpi, Lucas P., Eric Cayeux, and Rune Wiggo Time. "High Definition 2-dimensional Numerical Model of Particle Settling on Newtonian and Shear-Thinning Fluids." In The Nordic Rheology Conference. University of Stavanger, 2024. http://dx.doi.org/10.31265/atnrs.773.

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Well-defined particle sedimentation can provide relevant information in characterizing non-colloidal suspension. Nonetheless, the interaction between phases can become extremely convoluted as agglomerates are formed and broken, dynamically creating regions of high and low shear-rate. Numerical simulations are an alternative to obtain detailed descriptions of said interactions. In this work, the lattice-Boltzmann method is used together with the discrete element method to solve for two-dimensional sedimentation problems for both Newtonian and shear-thinning fluids.

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Ohta, Mitsuhiro, Kei Onodera, Yutaka Yoshida, et al. "Three-Dimensional Numerical Simulations of a Rising Bubble in a Viscoelastic FENE-CR Model Fluid." In THE XV INTERNATIONAL CONGRESS ON RHEOLOGY: The Society of Rheology 80th Annual Meeting. AIP, 2008. http://dx.doi.org/10.1063/1.2964886.

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Vinay, Guillaume, Anthony Wachs, Albert Co, Gary L. Leal, Ralph H. Colby, and A. Jeffrey Giacomin. "A 1.5D Numerical Model for Weakly Compressible Viscoplastic and Thixotropic Flows: Application to the Start-up of Waxy Crude Oils in Pipeline." In THE XV INTERNATIONAL CONGRESS ON RHEOLOGY: The Society of Rheology 80th Annual Meeting. AIP, 2008. http://dx.doi.org/10.1063/1.2964657.

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Reasor, Daniel A., Jonathan R. Clausen, and Cyrus K. Aidun. "Direct Numerical Simulation of Cellular Blood Flow Through a Model Arteriole Bifurcation." In ASME 2010 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2010. http://dx.doi.org/10.1115/sbc2010-19061.

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Blood is composed of a suspension of red blood cells (RBCs) suspended in plasma, and the presence of the RBCs substantially changes the flow characteristics and rheology of these suspensions. The viscosity of blood varies with the hematocrit (volume fraction of RBCs), which is a result not seen in Newtonian fluids. Additionally, RBCs are deformable, which can alter suspension dynamics. Understanding the physics in these flows requires accurately simulating the suspended phase to recover the microscale, and a subsequent analysis of the rheology to ascertain the continuum-level effects caused by

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Chen, Zhifan, Xianyong Xiao, Ying Wang, Long Li, and Shuman Wei. "Numerical Simulation Model Construction for ISC Faults in Lithium-ion Battery." In 2023 8th International Conference on Power and Renewable Energy (ICPRE). IEEE, 2023. http://dx.doi.org/10.1109/icpre59655.2023.10353564.

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Bai, Zhuofu, Gang Shu, and Andy Podgurski. "NUMFL: Localizing Faults in Numerical Software Using a Value-Based Causal Model." In 2015 IEEE 8th International Conference on Software Testing, Verification and Validation (ICST). IEEE, 2015. http://dx.doi.org/10.1109/icst.2015.7102597.

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Massai, Diana, Raffaele Ponzini, Diego Gallo, et al. "Effects of Blood Rheology on Flow Topology and Blood-Vessel Interaction in Image-Based Carotid Bifurcation Numerical Model." In ASME 2009 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2009. http://dx.doi.org/10.1115/sbc2009-206154.

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In recent years, interest is growing on compact measures for assessing the role of local hemodynamics in the pathogenesis of atherosclerosis and atherogenesis. CFD and its power in evaluating and predicting the effect of some hemodynamic variables in vascular disease is becoming a key factor in clinical research. Recently, Lee and Steinman [1] assessed the importance of blood rheology assumptions to ascertain the effect of constitutive relation for blood on local wall shear stress (WSS) and on the correlated vascular pathology. We present a preliminary in silico investigation on the sensitivit

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Occari, Matteo, Valentina Mazzanti, Francesco Mollica, Enrico Munari, Michele Pinelli, and Alessio Suman. "Numerical Simulations of a Centrifugal Pump With a Non-Newtonian Fluid: Influence on Performances of Different Rheological Modelling." In ASME-JSME-KSME 2019 8th Joint Fluids Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/ajkfluids2019-4940.

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Abstract Centrifugal pumps change their performance with respect to water when processing non-Newtonian fluids. Many aspects about pumping of non-Newtonian fluids remain to be clarified due to complexity of the matter and the scarcity of investigations. In addition to experimental tests, in recent years some CFD fluid dynamics simulations have been realized to analyze the performance of centrifugal pumps with non-Newtonian fluids. Knowledge of rheology is required to correctly simulate the fluid inside the pump and predict the performance. The aim of this work is to emphasize the criticalities

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Talmon, Arno, and Ebi Meshkati. "Houska Based Time-Dependent Rheological Model for Flocculated Tailings." In The 20th International Conference on Transport and Sedimentation of Solid Particles. Wydawnictwo Uniwersytetu Przyrodniczego we Wrocławiu (WUELS Publishing House)), 2023. http://dx.doi.org/10.30825/4.14-15.2023.

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The rheology of tailings depends on composition and is shear- and time-dependent. Time-dependency might be at the origin of phenomenona such as channel and pattern formation in tailings beaching. Rheology is governed by colloids that form a structure within the fluid. This paper concerns the fitting of the Houska rheological model to controlled stress rheometry data of polymer treated material. The Houska model describes reversible time-dependency, e.g., thixotropy. A novelty here is that irreversible shear down (rheomalaxis) is added to the thixotropy originally captured by the model. The Hou

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Rapports d'organisations sur le sujet "Numerical model, faults, rheology"

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Carter, T. R., C E Logan, and H. A. J. Russell. Three-dimensional model of dolomitization patterns in the Salina Group A-1 Carbonate and A-2 Carbonate units, Sombra Township, Lambton County, southern Ontario. Natural Resources Canada/CMSS/Information Management, 2024. http://dx.doi.org/10.4095/332363.

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Dolomitization of carbonate rocks is a subject of considerable interest due to association with oil and gas reservoirs and Mississippi Valley Type ore deposits. Conceptual two-dimensional models of dolomitization are common in the literature, however numeric models supported by high quality data are rare to nonexistent. This paper presents three-dimensional (3-D) dolomitization patterns in the Salina Group A-1 Carbonate Unit and A-2 Carbonate Unit located in Sombra Township, Lambton County. The source data consists of percent dolomite measurements collected from 9727 drill cutting samples, sta

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