Thematische Bibliographien / Complex Moving Fronts

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Auswahl der wissenschaftlichen Literatur zum Thema „Complex Moving Fronts“

Autor: Grafiati

Veröffentlicht am 5. Juni 2025

Zuletzt aktualisiert am 2. August 2025

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Zeitschriftenartikel zum Thema "Complex Moving Fronts"

Inal, Sahika, George G. Malliaras, and Jonathan Rivnay. "Optical study of electrochromic moving fronts for the investigation of ion transport in conducting polymers." Journal of Materials Chemistry C 4, no. 18 (2016): 3942–47. http://dx.doi.org/10.1039/c5tc04354a.

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Ankiewicz, Adrian, and Nail Akhmediev. "Moving fronts for complex Ginzburg-Landau equation with Raman term." Physical Review E 58, no. 5 (1998): 6723–27. http://dx.doi.org/10.1103/physreve.58.6723.

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Heussler, F. H. C., R. M. Oliveira, M. O. John, and E. Meiburg. "Three-dimensional Navier–Stokes simulations of buoyant, vertical miscible Hele-Shaw displacements." Journal of Fluid Mechanics 752 (July 2, 2014): 157–83. http://dx.doi.org/10.1017/jfm.2014.327.

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AbstractGravitationally and viscously unstable miscible displacements in vertical Hele-Shaw cells are investigated via three-dimensional Navier–Stokes simulations. The velocity of the two-dimensional base-flow displacement fronts generally increases with the unfavourable viscosity contrast and the destabilizing density difference. Displacement fronts moving faster than the maximum velocity of the Poiseuille flow far downstream exhibit a single stagnation point in a moving reference frame, consistent with earlier observations for corresponding capillary tube flows. Gravitationally stable fronts

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Raghavan, Rajagopal, and Chih Cheng Chen. "A study in fractional diffusion: Fractured rocks produced through horizontal wells with multiple, hydraulic fractures." Oil & Gas Science and Technology – Revue d’IFP Energies nouvelles 75 (2020): 68. http://dx.doi.org/10.2516/ogst/2020062.

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The spatiotemporal evolution of transients in fractured rocks often displays unusual characteristics and is traced to multifaceted origins such as micro-discontinuity in rock properties, rock fragmentation, long-range connectivity and complex flow paths. A physics-based model that incorporates transient propagation wherein the mean square displacement of the diffusion front follows a nonlinear scaling with time is proposed. This model is based on fractional diffusion. The motivation for fractional flux laws follows from the existence of long-range connectivity that results in the mean square d

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Kim, Junseok. "Modified Wave-Front Propagation and Dynamics Coming from Higher-Order Double-Well Potentials in the Allen–Cahn Equations." Mathematics 12, no. 23 (2024): 3796. https://doi.org/10.3390/math12233796.

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In this paper, we conduct a numerical investigation into the influence of polynomial order on wave-front propagation in the Allen–Cahn (AC) equations with high-order polynomial potentials. The conventional double-well potential in these equations is typically a fourth-order polynomial. However, higher-order double-well potentials, such as sixth, eighth, or any even order greater than four, can model more complex dynamics in phase transition problems. Our study aims to explore how the order of these polynomial potentials affects the speed and behavior of front propagation in the AC framework. B

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Gonnella, G., A. Lamura, and A. Tiribocchi. "Thermal and hydrodynamic effects in the ordering of lamellar fluids." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 369, no. 1945 (2011): 2592–99. http://dx.doi.org/10.1098/rsta.2011.0020.

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Phase separation in a complex fluid with lamellar order has been studied in the case of cold thermal fronts propagating diffusively from external walls. The velocity hydrodynamic modes are taken into account by coupling the convection–diffusion equation for the order parameter to a generalized Navier–Stokes equation. The dynamical equations are simulated by implementing a hybrid method based on a lattice Boltzmann algorithm coupled to finite difference schemes. Simulations show that the ordering process occurs with morphologies depending on the speed of the thermal fronts or, equivalently, on

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Biscarini, Chiara, Silvia Di Francesco, Fernando Nardi, and Piergiorgio Manciola. "Detailed Simulation of Complex Hydraulic Problems with Macroscopic and Mesoscopic Mathematical Methods." Mathematical Problems in Engineering 2013 (2013): 1–14. http://dx.doi.org/10.1155/2013/928309.

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The numerical simulation of fast-moving fronts originating from dam or levee breaches is a challenging task for small scale engineering projects. In this work, the use of fully three-dimensional Navier-Stokes (NS) equations and lattice Boltzmann method (LBM) is proposed for testing the validity of, respectively, macroscopic and mesoscopic mathematical models. Macroscopic simulations are performed employing an open-source computational fluid dynamics (CFD) code that solves the NS combined with the volume of fluid (VOF) multiphase method to represent free-surface flows. The mesoscopic model is a

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Liu, Jie. "Study on the characteristics and influencing factors of suspended sediment front in the eastern Qiongzhou Strait." E3S Web of Conferences 630 (2025): 02004. https://doi.org/10.1051/e3sconf/202563002004.

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The eastern shoal of the Qiongzhou Strait is considered a crucial potential sand resource, and its sediment dynamics are of great interest for both environmental and economic reasons. To better understand these dynamics, this study employed the ROMS (Regional Ocean Modeling System) ocean model to simulate suspended sediment transport during the winter and summer of 2019. The model incorporated a variety of environmental factors, including wave conditions, tidal forces, currents, temperature, and salinity, to capture the complex interactions affecting sediment movement. The simulation results r

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Jarray, Raja, Soufiene Bouallègue, Hegazy Rezk, and Mujahed Al-Dhaifallah. "Parallel Multiobjective Multiverse Optimizer for Path Planning of Unmanned Aerial Vehicles in a Dynamic Environment with Moving Obstacles." Drones 6, no. 12 (2022): 385. http://dx.doi.org/10.3390/drones6120385.

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Path planning with collision avoidance for unmanned aerial vehicles (UAVs) in environments with moving obstacles is a complex process of navigation, often considered a hard optimization problem. Ordinary resolution algorithms may fail to provide flyable and collision-free paths under the time-consumption constraints required by the dynamic 3D environment. In this paper, a new parallel multiobjective multiverse optimizer (PMOMVO) is proposed and successfully applied to deal with the increased computation time of the UAV path planning problem in dynamic 3D environments. Collision constraints wit

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Wickham, Stephen M., Mark T. Peters, Henry C. Fricke, and James R. O'Neil. "Identification of magmatic and meteoric fluid sources and upward- and downward-moving infiltration fronts in a metamorphic core complex." Geology 21, no. 1 (1993): 81. http://dx.doi.org/10.1130/0091-7613(1993)021<0081:iomamf>2.3.co;2.

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Mehr Quellen

Bücher zum Thema "Complex Moving Fronts"

Ciment, James, and Thaddeus Russell, eds. Home Front Encyclopedia. ABC-CLIO, Inc., 2006. http://dx.doi.org/10.5040/9798400666100.

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This definitive reference work covers the complete transformation of American, Canadian, and British societies during the two world wars, including all aspects of working, recreational, and cultural life during wartime. The Home Front Encyclopedia: United States, Britain, and Canada in World Wars I and IIis the first scholarly work devoted exclusively to the utter transformation of American, Canadian, and British societies in those pivotal years. Other works have looked at developments in wartime life—government agencies, economic mobilization—but this encyclopedia is the first to focus on how

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Joubert, Claire. Translation with commentary of the "The birth of complex cells",an article from Scientific American by Christian De Duve and " Moving membrane up to the front of migrating cells", an article from Cell by Mark S. Bretscher. 1996.

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Buchteile zum Thema "Complex Moving Fronts"

Braithwaite, John. "Requisite Variety and Simple Institutional Virtues." In Simple Solutions to Complex Catastrophes. Springer Nature Switzerland, 2024. http://dx.doi.org/10.1007/978-3-031-48747-7_11.

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AbstractRegulators achieve more if they learn to collaborate with one another at being cosmopolitan. Regulators can use national enforcement threats to demand global compliance improvements under the shadow of the axe of deferred prosecutions. Early detection and early response are imperative with fast-moving risks. Principles for a dialectics of requisite variety are: (a) Prune and strengthen rules; (b) Transform jurisprudence so fundamental principles justify rules, yet trump rules; (c) Shift away from automaticity of enforcement of rules, algorithmic or human, to a restorative diplomacy of

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Obstfeld, David. "Knowledge Articulation." In Getting New Things Done. Stanford University Press, 2017. http://dx.doi.org/10.11126/stanford/9780804760508.003.0002.

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This chapter examines the essential role of knowledge articulation in enabling brokers to mobilize and coordinate others’ actions to get new things done. First, the chapter examine the tacit/explicit conceptualization of knowledge and its implications for knowledge articulation. Second, the chapter revisits Carlile’s 3T model (knowledge transfer, knowledge translation, and knowledge transformation) and how it bridges between brokerage and knowledge articulation. Third, the chapter focuses on three initially dyadic processes for articulating knowledge: mutual intelligibility, persuasion, and en

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Sobolewski Michael. "Unifying Front-end and Back-end Federated Services for Integrated Product Development." In Advances in Transdisciplinary Engineering. IOS Press, 2014. https://doi.org/10.3233/978-1-61499-440-4-3.

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Improvements in the design and manufacturing processes, and the related technologies that enable them, have led to significant improvements in product functionality and quality. However, the need for further improvements in these areas is needed due to increasing complexity of integrated product process development (IPD). Introduction of a new IPD project is more complex than most people realize and getting more complex all the time. Some of the complexity is due to rapidly changing and advancing technologies in underlying hardware and software, and the interplay of individual complex methods

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Kälviäinen, Mirja. "Interdisciplinary Interaction for the Early Stages of Product and Service Development." In Handbook of Research on Trends in Product Design and Development. IGI Global, 2011. http://dx.doi.org/10.4018/978-1-61520-617-9.ch003.

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Saturated markets require user value through services and mass customised differentiation instead of mere products. This increases the significance of integrated innovation in the early stages of complex value offerings. Front end development combines the multidisciplinary professional perspectives and user insight in a cost effective way. Truly interdisciplinary interaction is reached through intrinsic motivation, shared goals and understanding. Experience for structuring the multidisciplinary front end innovation comes from the INNOstudio® concept created by the D’ART Design Resource Centre

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Dowdall, Alex. "Occupation Regimes and Civil–Military Encounters at the Western Front." In Communities under Fire. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198856115.003.0004.

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Chapter 3 uncovers the dynamics of the military occupation regimes put in place on both sides of the lines during the First World War, and demonstrates how they impacted civilian life in the front-line towns. It provides the first comparative analysis of military occupation on both sides of the Western Front, and argues that although some of the methods employed differed from one side of the lines to the other, the main objectives were fundamentally the same. In all cases civilian freedoms were curtailed on the basis of military necessity. It describes the German and Allied occupation regimes

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George, Wilma. "The strange rodents of Africa and South America." In The Africa—South America Connection. Oxford University PressOxford, 1993. http://dx.doi.org/10.1093/oso/9780198545774.003.0009.

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Abstract The name rodent—from the Latin rodo, to gnaw-indicates the chief characteristic of the group. Rodents have ever-growing incisors, with enamel on the outside only; and they have a jaw which can be aligned either to gnaw with the incisors or to chew with the cheek teeth. The two working positions necessitate moving the jaw fore and aft. The jaw joint is, therefore, long and loosefitting; there is a gap, the diastema, between the two sets of teeth; the two sides of the lower jaw are only loosely connected in front; and the masseter muscles—the chewing muscles—are complex. These arrangeme

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Axtell, Matthew. "Views from Rathole Mountain." In In Between and Across. Oxford University PressNew York, 2024. http://dx.doi.org/10.1093/oso/9780197680995.003.0002.

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Abstract This chapter takes as its project the nature of commerce in the nineteenth century, and challenges the usual expectation that the time of development moved forward, as commercial development pushed goods, ideas, and markets across the lines of geography that divided American states from one another. Taking as his subject a “lawscape”—encompassed in the political economy of economic development in early nineteenth-century Virginia—the author reworks the presumed direction of development in early capitalist transformation. Rather than moving in the direction of increased commerce and de

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Sánchez-del-Valle, C. "An Integrative Approach to Teaching 3D Modelling in Architecture." In Enhancing Learning Through Human Computer Interaction. IGI Global, 2007. http://dx.doi.org/10.4018/978-1-59904-328-9.ch014.

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The argument presented here is that computer courses must reach beyond the comfortable cushion of conventional teaching practices, and provide students with a way to come to grips with complexity. It provides as evidence a digital graphics literacy course for architecture students using transformer robot toys as a metaphor for introducing the concept of adaptive kinetic architecture. The transformer toy provides a manipulative device with which to develop students’ 3D modelling and rendering skills. The course approach is described, and observations about the students’ work are offered. It con

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Atkinson, Martin E. "Mastication." In Anatomy for Dental Students. Oxford University Press, 2013. http://dx.doi.org/10.1093/oso/9780199234462.003.0035.

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Now you have an understanding of the anatomy of the maxilla and mandible, the TMJs, and jaw musculature, we can examine how these structures work together to produce the complex actions involved in the biting and chewing of food. Technically, incision is biting a piece from a larger chunk of food and mastication is the grinding down of that piece into smaller components and mixing them with saliva. Mastication is often used to cover both actions. Box 26.1 briefly compares the anatomy of the human dentition to that of other mammals. As well as knowledge of the TMJ, muscles of mastication, and o

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Konferenzberichte zum Thema "Complex Moving Fronts"

Li, Ao, Hongquan Chen, Ridwan Jalali, and Abdulaziz Al-Darrab. "Subsurface Injection Monitoring in Complex Geologic Media Using Pathline, Source Cloud and Time Cloud." In SPE Annual Technical Conference and Exhibition. SPE, 2023. http://dx.doi.org/10.2118/215088-ms.

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Abstract Monitoring of subsurface fluid motion is critical for optimizing hydrocarbon production and CO2 sequestration. Streamlines are frequently employed to visualize fluid flow; however, they provide only an instantaneous snapshot of the velocity field and do not offer an exact representation of fluid movement under varying field conditions. In contrast, pathlines are constructed by tracking individual particles within the fluid, enabling us to trace the movement of these particles as they traverse through changing velocity fields. This paper presents the development and application of path

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Prieur, Kevin, Daniel Durox, Guillaume Vignat, Thierry Schuller, and Sébastien Candel. "Flame and Spray Dynamics During the Light-Round Process in an Annular System Equipped With Multiple Swirl Spray Injectors." In ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/gt2018-76840.

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The ignition process of an annular combustor can be divided in several steps that end with the light-round. This corresponds to the sequence from the ignition of the first injector to the merging of the two flame fronts spreading in the annular system. The present article focuses on this important step, where two arch-like flame branches propagate in the chamber. These two turbulent travelling flames, nearly perpendicular to the combustor backplane, successively ignite the injection units and finally collide head-on and merge. In the present study, light-round of spray flames fed by liquid n-h

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Su, Kun, Frédéric Bourgeois, Ghislain Pujol, Arthur Moncorgé, and Jian Huang. "Reference Stress Solution and Benchmark of Thermo-Poro-Elastic Modelling of Cooling Effects Induced by CO2 Storage in Depleted Reservoirs." In 58th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2024. http://dx.doi.org/10.56952/arma-2024-0913.

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ABSTRACT: This paper presents a reference stress-strain solution for a thermo-hydro-mechanical one-way coupled problem related to CO2 storage. The benchmark problem is solved with a semi-analytical model based on the equivalent cuboid inclusion method. This case is then extended to assess the modelling capability of two finite element codes (GEOS and VISAGE) in predicting thermo-poro-elastic stresses and assessing the occurrences of thermo-hydraulically induced fractures. In the defined CO2 injection problem, there are two different fronts, pressure front constraining in the near wellbore and

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Frepoli, Cesare, John H. Mahaffy, and Lawrence E. Hochreiter. "A Moving Subgrid Model for Simulation of Reflood Heat Transfer." In 10th International Conference on Nuclear Engineering. ASMEDC, 2002. http://dx.doi.org/10.1115/icone10-22774.

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In the quench front and froth region the thermal-hydraulic parameters experience a sharp axial variation. The heat transfer regime changes from single-phase liquid, to nucleate boiling, to transition boiling and finally to film boiling in a small axial distance. One of the major limitations of all the current best-estimate codes is that a relatively coarse is used to solve the complex fluid flow and heat transfer problem in proximity of the quench front of a reactor core during reflood. The use of a fine axial mesh for the entire core becomes prohibitive because of the large computational cost

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Malik, Ataur R., Mauricio A. Espinosa Galvis, Abdullah A. Ghamdi, and Danish Ahmed. "Completion Integrity Evaluation by Distributed Acoustic and Temperature Sensing Data Acquisition Through Coiled Tubing Real-Time Telemetry System." In International Petroleum Technology Conference. IPTC, 2023. http://dx.doi.org/10.2523/iptc-22914-ms.

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Abstract An intensive well integrity (WI) examination was carried out utilizing distributed acoustic sensing (DAS) and distributed temperature sensing (DTS) tools through coiled tubing (CT) with real-time telemetry system in a horizontal gas well completed with open hole (OH) multi-stage fracturing (MSF) completion. During well completion, an unexpected leak in the lower completion led the OH packers not to effectively set. The WI examination was needed to locate the leak and effectively salvage the well. With DAS and DTS systems connected to the optical-fiber cable through the CT pressure bul

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Ou, Yuhao, Qianjun Liu, Jinchuan Hu, Zihao Zhao, and Mukul Sharma. "Evaluating Fluid Circulation in Enhanced Geothermal Systems at the Forge Site Using Thermo-Hydro-Mechanical Models and Fiber-Optic Distributed Strain Measurements." In SPE Annual Technical Conference and Exhibition. SPE, 2024. http://dx.doi.org/10.2118/220711-ms.

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Abstract Good inter-well connectivity and high fracture network conductivity are crucial to the success of any enhanced geothermal system. Distributed fiber optic data from a geothermal fluid circulation test provides a direct measure of hydraulic connectivity of the wells through hydraulic and natural fractures. The objectives of this paper are to measure and quantitatively model the thermal and flow connectivity of a well pair in an enhanced geothermal system (EGS). High temperature fiber optic cables were installed in the production well at the FORGE site in Utah. They provide real-time, in

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Sun, Jinjuan, Jianying Gong, Guojun Li, and Tieyu Gao. "Lattice Boltzmann Simulation of Frost Formation Process." In ASME 2013 Heat Transfer Summer Conference collocated with the ASME 2013 7th International Conference on Energy Sustainability and the ASME 2013 11th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/ht2013-17700.

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Compared with the conventional mathematical and physical models, the lattice Boltzmann (LB) method is an effective method to simulate the heat and mass transfer in porous media. Frost crystallization aggregation is a very complex process involving inconsistency of frost structures, crystal size distributions, the complex transient shapes, and other numerous influential factors. Assuming the frost is a special porous medium consists of ice crystals and humid air, a mesoscopic model is established to predict the behavior of frost formation based on the lattice Boltzmann equation. The moving boun

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Ilyas, Muhammad, Masroor Ahmad, Colin P. Hale, Simon P. Walker, and Geoff F. Hewitt. "Rewetting Processes During Top/Bottom Re-Flooding of Heated Vertical Surfaces." In ASME/JSME 2011 8th Thermal Engineering Joint Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ajtec2011-44187.

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Rewetting of the heated fuel rods is one of the most important phenomena to be considered in analysis of the design basis loss of coolant accident (LOCA) in light water reactors. The rewetting phenomenon is a complex and violent one with the rewetting front moving rather slowly over the heated surface. For water temperature close to saturation, the rate of progression of rewetting front is independent of flow rate of the water approaching the rewetting front; this is an indication of the fact that the rewetting process is governed by events local to the rewetting front [1]. This paper describe

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Bara, Mircea. "Designing Aspects of a Frontal-Sinusoidal Transmission With Balls." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-59309.

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The frontal-sinusoidal transmission with balls is a new type of mechanical transmission, that allows movement transmission between two coaxial shafts. In the first part of this paper presents the geometric and kinematics study of the elements of a frontal -sinusoidal transmissions with balls, determining in this way the transmission ratios. In the second part of this paper presents the kinetostatic study of the elements of frontal transmission with balls, determining in this way the force that acts upon these forces which are necessary in the constructive dimensioning. An advantage of this tra

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Yang, R. J., N. Wang, C. H. Tho, J. P. Bobineau, and B. P. Wang. "Metamodeling Development for Vehicle Frontal Impact Simulation." In ASME 2001 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/detc2001/dac-21012.

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Abstract Response surface methods or metamodels are commonly used to approximate large engineering systems. This paper presents a new metric for evaluating a response surface method or a metamodeling technique. Five response surface methods are studied: Stepwise Regression, Moving Least Square, Kriging, Multiquadratic, and Adaptive and Interactive Modeling System. A real world frontal impact design problem is used as an example, which is a complex, highly nonlinear, transient, dynamic, large deformation finite element model. The optimal Latin Hypercube Sampling method is used to distribute the

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Berichte der Organisationen zum Thema "Complex Moving Fronts"

Marsden, Eric, Romuald Perinet, and Jean Pariès. Articulation between compliance and initiative in safety management. Foundation for an industrial safety culture, 2024. http://dx.doi.org/10.57071/903aci.

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Safety in complex systems is produced by two complementary reservoirs: procedural compliance (the anticipation of potential hazards and implementation of procedures and other preventive barriers, also called “rule-based safety”) and initiative (the actions of competent front-line workers who react appropriately to conditions in real-time, also called “managed safety”). This document analyses the articulation between these two sources of safety, and the way in which it may evolve given changes in the industrial world and in societal expectations. It suggests moving past a view of these two form

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