Bibliografías temáticas / Boundary conditions calibration

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Literatura académica sobre el tema "Boundary conditions calibration"

Autor: Grafiati
Publicado: 14 de diciembre de 2024
Última modificación: 31 de julio de 2025

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Artículos de revistas sobre el tema "Boundary conditions calibration"

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Herold, Judith, Eric Lemont, Stuart Bettington, and Edward Couriel. "CHALLENGES OF BOUNDARY CONDITIONS IN OPEN OCEAN MODELS." Coastal Engineering Proceedings, no. 36v (December 28, 2020): 52. http://dx.doi.org/10.9753/icce.v36v.waves.52.

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The development and calibration of coastal numerical models to support engineering design and environmental impact studies is a challenging process and one that requires professional judgement and continual assessment of all aspects of the model makeup. Fundamental to the integrity of the model are appropriate boundary conditions and quality observational data for calibration. Open ocean boundary conditions are typically the most complex and important aspect of a model build. They represent the influence of dynamics occurring beyond the model extent, bridging large-scale dynamics to the small-
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Hwang, B.-W., C.-M. Suh, and S.-H. Kim. "Finite element analysis of calibration factors for the modified incremental strain method." Journal of Strain Analysis for Engineering Design 38, no. 1 (2003): 45–51. http://dx.doi.org/10.1243/030932403762671881.

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To modify the incremental strain method used to evaluate non-uniform residual stress, a finite element analysis (FEA) of the reference model used to describe a hole-drilling test was conducted. The calibration factors for the x and y directions were obtained from the analysis and then their differences were compared under various loading conditions. A hole-drilling test using a steel plate as the reference specimen was introduced, and under the pure bending load, strain relaxation was measured at each hole-drilling step to determine the calibration factors. Although the calibration factors in
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Campbell, D. S., M. Gundappa, and T. E. Diller. "Design and Calibration of a Local Heat-Flux Measurement System for Unsteady Flows." Journal of Heat Transfer 111, no. 2 (1989): 552–57. http://dx.doi.org/10.1115/1.3250713.

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A local heat–flux measurement system was built, calibrated, and tested for use in unsteady flows. The system was designed to maintain constant-wall-temperature boundary conditions. The measuring element is a thin-film heat flux gage made by sputter-coating gold onto a substrate. A constant-temperature anemometer is used to maintain the thin-film gage at a specified temperature under fluctuating conditions. A separate temperature control system maintains the surrounding boundary at the gage temperature. The system was calibrated for both steady and unsteady flows using a specially designed cali
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Monfre, Stephen L., and Steven D. Brown. "Quantitative Fourier-Domain Analysis. Part II: Determination of Boundary Conditions." Applied Spectroscopy 46, no. 11 (1992): 1711–18. http://dx.doi.org/10.1366/0003702924926943.

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A new approach for determining the boundary conditions of a Fourier-domain data set prior to performing quantitative multicomponent analysis has been developed. Processing boundary conditions were determined by calculating the condition number of the calibration matrix which contains the models used to describe the chemical system being studied. Once the boundary conditions for the Fourier-domain data set were determined, the Kalman filter was used to estimate the concentration of individual components in a multicomponent sample. Synthetic data were first analyzed to determine both the feasibi
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Ahmadi, M. M., P. M. Byrne, and R. G. Campanella. "Cone tip resistance in sand: modeling, verification, and applications." Canadian Geotechnical Journal 42, no. 4 (2005): 977–93. http://dx.doi.org/10.1139/t05-030.

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A numerical modeling procedure is presented to evaluate cone tip resistance in sand. The procedure involves a moving boundary simulating cone penetration. The soil is modeled as a Mohr–Coulomb elastic–plastic material with stress-dependent parameters. The procedure is verified by comparing predicted numerical values of cone tip resistance with published experimental measurements from calibration chamber tests. The selected database consists of 59 calibration chamber tests on Ticino sand with different relative densities, overconsolidation ratios, stresses, and boundary conditions. Several appl
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Sivelle, Vianney, Philippe Renard, and David Labat. "Coupling SKS and SWMM to Solve the Inverse Problem Based on Artificial Tracer Tests in Karstic Aquifers." Water 12, no. 4 (2020): 1139. http://dx.doi.org/10.3390/w12041139.

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Artificial tracer tests constitute one of the most powerful tools to investigate solute transport in conduit-dominated karstic aquifers. One can retrieve information about the internal structure of the aquifer directly by a careful analysis of the residence time distribution (RTD). Moreover, recent studies have shown the strong dependence of solute transport in karstic aquifers on boundary conditions. Information from artificial tracer tests leads us to propose a hypothesis about the internal structure of the aquifers and the effect of the boundary conditions (mainly high or low water level).
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Han, Liya, Long Yu, and Xusheng Zhu. "A Novel Method for Pose and Position Calibration of Laser Displacement Sensors." Sensors 23, no. 4 (2023): 1762. http://dx.doi.org/10.3390/s23041762.

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Laser displacement sensors are widely used in the aviation industry for the purpose of surface normal measurements. The measurement of a surface normal depends on prior knowledge of the poses and positions of the sensors, which are obtained through calibration. This paper introduces a new parameter to the traditional calibration procedure, to reduce the calibration error, and explores the factors affecting calibration using the Monte Carlo method. In the experiment, the normal measurement error of the probe consisted of four sensors after calibration was less than 0.1∘, which satisfied the est
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Kacem, Ahmed, Hervé Laurent, and Sandrine Thuillier. "Influence of experimental boundary conditions on the calibration of a ductile fracture criterion." Engineering Fracture Mechanics 248 (May 2021): 107686. http://dx.doi.org/10.1016/j.engfracmech.2021.107686.

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Baldi, Antonio. "Far-Field Boundary Conditions for Calculation of Hole-Drilling Residual Stress Calibration Coefficients." Experimental Mechanics 57, no. 4 (2016): 659–64. http://dx.doi.org/10.1007/s11340-016-0235-1.

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FURSENKO, Antanas. "Precizinių rastrų formavimo sistemos juostos poslinkio matavimo junginio skaičiuojamieji tyrimai / Analytical research of displacement measuring unit of the precise raster-forming systems." Mokslas - Lietuvos ateitis 9, no. 6 (2017): 597–601. http://dx.doi.org/10.3846/mla.2017.1092.

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The precision raster-forming systems creation and development must be based on research in the specific work environment. In not ideal metrological conditions the precision raster-forming system allows to achieve high accuracy of the calibration, when used dynamic calibration method.The paper analyzes the possibility of analytical modeling of one main part (steel tape displacement measuring unit) of precise raster forming systems. In the work, a linear mechanical model of steel tape was applied to the load. The work described the equation, which describes the steel tape deformation model under
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Tesis sobre el tema "Boundary conditions calibration"

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Niraula, Rewati. "Understanding the Hydrological Response of Changed Environmental Boundary Conditions in Semi-Arid Regions: Role of Model Choice and Model Calibration." Diss., The University of Arizona, 2015. http://hdl.handle.net/10150/594961.

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Arid and semi-arid basins in the Western United States (US) have been significantly impacted by human alterations to the water cycle and are among the most susceptible to water stress from urbanization and climate change. The climate of the Western US is projected to change in response to rising greenhouse gas concentrations. Combined with land use/land cover (LULC) change, it can influence both surface and groundwater resources, both of which are a significant source of water in the US. Responding to this challenge requires an improved understanding of how we are vulnerable and the developmen
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McElroy, Mark Allen. "A Procedure for Generating Finite Element Models (FEM) of Abdominal Aortic Aneurysms with Fluid Boundary Conditions Derived from Magnetic Resonance Imaging (MRI) Velocimetry." The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1284670607.

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Villanueva, Lucas. "Développement d’outils d’assimilation de données pour l’estimation augmentée d’écoulements internes." Electronic Thesis or Diss., Chasseneuil-du-Poitou, Ecole nationale supérieure de mécanique et d'aérotechnique, 2024. http://www.theses.fr/2024ESMA0019.

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Dans ce travail de thèse, des outils d’assimilation de données sont utilisés pour augmenter les performances de solveurs de mécanique des fluides dédiés à la simulation des grandes échelles. L’objectif est d’améliorer la prédiction et l’étude d’évènements marginaux nuisibles à l’intégrité des systèmes physiques. Bien que difficile à caractériser et à modéliser, la compréhension détaillée de ces phénomènes physiques complexes est essentielle pour le développement d’applications plus durables. Ces objectifs s’intègrent aux activités de recherche du projet ANR ALEKCIA dans lequel ce travail de th
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Moshfegh, Abouzar. "Dissipative Particle Dynamics Simulation of Suspensions Rheology, and Electroosmotic Flow in Nanochannels." Thesis, The University of Sydney, 2015. http://hdl.handle.net/2123/14367.

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The dissipative particle dynamics (DPD) method is developed using innovative numerical techniques and extensively examined in the contexts of rheology and electroosmosis. In Chapters 3-5, it is attempted to classify practical ranges of DPD parameters under a variety of simulation settings, thermostating schemes and shearing methods. Through a calibration process, useful windows of parameters are categorised so that DPD users can model a wide range of rheological systems conveniently with proper temperature control and equilibrium statistics. DPD was found to perform poorly under certain diss
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Capítulos de libros sobre el tema "Boundary conditions calibration"

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Kleinfeller, Nikolai, Christopher M. Gehb, Maximilian Schaeffner, Christian Adams, and Tobias Melz. "Assessment of Model Uncertainty in the Prediction of the Vibroacoustic Behavior of a Rectangular Plate by Means of Bayesian Inference." In Lecture Notes in Mechanical Engineering. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-77256-7_21.

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AbstractDesigning the vibroacoustic properties of thin-walled structures is of particularly high practical relevance in the design of vehicle structures. The vibroacoustic properties of thin-walled structures, e.g., vehicle bodies, are usually designed using finite element models. Additional development effort, e.g., experimental tests, arises if the quality of the model predictions are limited due to inherent model uncertainty. Model uncertainty of finite element models usually occurs in the modeling process due to simplifications of the geometry or boundary conditions. The latter highly affe
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Corsi, Cosimo, Bei Wang, Julien Weiss, and Ha Duong Ngo. "Development of a PVDF Piezo-Film Sensor for Unsteady Wall-Pressure Measurements in SBLIs." In Notes on Numerical Fluid Mechanics and Multidisciplinary Design. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-86605-0_4.

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Abstract An innovative, flexible wall-pressure sensor array for unsteady flow conditions has been developed and evaluated in a turbulent shockwave-boundary layer interaction (SBLI) setup at Mach 2. Compared to the previous version, the new sensor’s flexibility makes it easier to fit on different surfaces, while offering enhanced durability and improved sensitivity. The array comprises 18 circular sensors, each with a diameter of $$3\,{\text {mm}}$$ 3 mm , fabricated using screen printing techniques from a thin piezoelectric PVDF film (thickness: $$110\,\upmu {\text {m}}$$ 110 μ m ). Remarkably
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Sanders M.P.M. and Van der Schrier J.S. "Tide induced piping risk assessed by transient groundwater flow." In Geotechnical Engineering: New Horizons. IOS Press, 2011. https://doi.org/10.3233/978-1-60750-808-3-221.

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Dutch dike and levee design codes provide a solid framework for the design of dikes and levees. One of the failure modes that have to be considered by these codes is ‘piping’. In the Netherlands, piping is usually checked under the assumption of stationary flow boundary conditions. Piping risk is assessed from the critical hydraulic gradient, using empirical relationships accounting for soil type, layering and particle size. The paper presents a case history of a dike design in a tidal environment. The tidal effects on the groundwater heads are assessed by transient groundw
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Hoyos L.R., Laikram A., Pérez-Ruiz D., and Puppala A.J. "Modeling unsaturated soil behavior under multiaxial stress states." In Proceedings of the 17th International Conference on Soil Mechanics and Geotechnical Engineering. IOS Press, 2009. https://doi.org/10.3233/978-1-60750-031-5-182.

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This paper presents the results from a preliminary series of conventional triaxial compression (CTC) and triaxial compression (TC) tests conducted on compacted silty sand (SM) under constant-suction states. The experiments were conducted by using a novel, servo-controlled, true triaxial (cubical) apparatus that is suitable to test 3-in (7.5-cm) per side, cubical specimens of unsaturated soil under controlled-suction states and for a wide range of stress paths that are not achievable in a conventional cylindrical apparatus. The equipment is a mixed-boundary type of device, with the specimen sea
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McDougall, Kristin. "Global biotic events evident in the Paleogene marine strata of the eastern San Francisco Bay area, California." In Regional Geology of Mount Diablo, California: Its Tectonic Evolution on the North America Plate Boundary. Geological Society of America, 2021. http://dx.doi.org/10.1130/2021.1217(12).

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ABSTRACT Paleogene marine strata in the eastern San Francisco Bay area are exposed in discontinuous outcrops in the various tectonic blocks. Although there are many missing intervals, the strata were previously thought to span most of the Paleocene and Eocene. Revision of biochronology and calibration to the international time scale as well as to the global oxygen isotope curve and sea-level curves indicate that the strata are latest Paleocene through middle Eocene in age and contain faunal changes that are linked to the overall global climate trends and hyperthermals of that time. The Paleoce
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Actas de conferencias sobre el tema "Boundary conditions calibration"

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Krauthäuser, H. G., and J. Nitsch. "Effects of the Variation of the Excitation and Boundary Conditions of Mode-Stirred Chambers and Consequences for Calibration and Measurements." In 15th International Zurich Symposium and Technical Exposition on Electromagnetic Compatibility. IEEE, 2003. https://doi.org/10.23919/emc.2003.10806217.

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Ye, Simon Cong, Ngai Yeung, Gihan Weerasinghe, Ramaseshan Kannan, and Konstantinos Georgiadis. "Global sensitivity analysis of a cable-stayed bridge model using Sobol indices." In IABSE Congress, San José 2024: Beyond Structural Engineering in a Changing World. International Association for Bridge and Structural Engineering (IABSE), 2024. https://doi.org/10.2749/sanjose.2024.1384.

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<p>One of the key challenges in bridge assessment is to create a representative structural model that reflects adequately the real static and dynamic behaviour, which can vary from those considered in design due to variations in actual mass, stiffness and boundary conditions. It is common practice for engineers to measure the actual modal properties and load testing data of a constructed bridge, and then use these to validate the model. As there is a large number of parameters in the model, engineers must know in advance which parameters are influential. Currently, this is primarily base
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Cheng, Hwai-Ping (Pearce), Earl V. Edris, and David R. Richards. "Investigating the Application of Channel Boundary Conditions for Model Calibration and Validation." In World Environmental and Water Resources Congress 2007. American Society of Civil Engineers, 2007. http://dx.doi.org/10.1061/40927(243)272.

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Rumiantsev, Andrej, Ralf Doerner, and Edward M. Godshalk. "The influence of calibration substrate boundary conditions on CPW characteristics and calibration accuracy at mm-wave frequencies." In 2008 72nd ARFTG Microwave Measurement Symposium. IEEE, 2008. http://dx.doi.org/10.1109/arftg.2008.4804293.

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Cong, Tenglong, Minjun Peng, and Xiang Zhang. "Prediction of Subcooled Boiling With Uncertainties From Boundary Conditions and Interaction Models." In 2018 26th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/icone26-81101.

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Subcooled boiling has been investigated by using the RPI wall boiling models in the last two decades. High accuracy of such models has been achieved by improving the submodels for interphase actions or tuning the model parameters. However, the reliabilities of the models are still suspicious due to the limited model validation and the experimental data based model calibration. The applicability of calibrated model parameters in the new experiment data can not be assured. The effects of model parameters need to be calibrated were treated as the uncertainties of these parameters. The critical pa
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Wright, Stephen, Avinash Ravikumar, Laura Redmond, et al. "Benchmarking of Neural Network Methodologies for Piston Thermal Model Calibration." In WCX SAE World Congress Experience. SAE International, 2024. http://dx.doi.org/10.4271/2024-01-2598.

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<div class="section abstract"><div class="htmlview paragraph">Design of internal combustion (IC) engine pistons is dependent on accurate prediction of the temperature field in the component. Experimental temperature measurements can be taken but are costly and typically limited to a few select locations. High-fidelity computer simulations can be used to predict the temperature at any number of locations within the model, but the models must be calibrated for the predictions to be accurate. The largest barrier to calibration of piston thermal models is estimating the backside bounda
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Zhang, Huiyan, Hualei Li, Mengyu Li, Lei Shi, and Kangyao Deng. "Study on the Regulation Boundary for Two-Stage Turbocharging System at Different Altitudes." In ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/gt2017-63923.

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Regulated two-stage (RTS) turbocharging system is an effective way to enhance power density and reduce pollutant of internal combustion engine for increasingly stringent demands of fuel consumption and emission regulation. Due to achieving high boost pressure with great system efficiency and controllable characteristic in wide working range, the RTS turbocharging system improves output power at low speed condition and reduces pumping loss at high speed condition. Composing of two turbochargers and control valves, the RTS turbocharging system is matched with engine at a design point and regulat
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Pawar, Jasjit, Sean Biggs, and R. P. Jones. "Sensitivity of System Boundary Conditions on the Migration of Low Frequency Modes Controlling Longitudinal Vehicle Response." In ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/detc2007-34628.

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Vehicle driveability is increasingly used as a key measure in media evaluations, and is refined aggressively to differentiate and position the product within its market segment. This is a highly complex system level issue, and encompasses the non-linear interactions between the driveline, suspension and powerunit mounting hardware. The driveability character of the vehicle has typically been tuned through calibration in the later stages of development. Through the use of physical prototypes, such activities have typically been performed on the basis of subjective assessments, to achieve a bala
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Beardsmore, D. W., H. Teng, and Michael Martin. "On the Expected Errors in Calibration of the Beremin Cleavage Model Parameters." In ASME 2007 Pressure Vessels and Piping Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/pvp2007-26559.

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We present the detailed results of a series of Monte Carlo simulations of the Gao and Dodds calibration procedure that was carried out to determine the likely size in the errors in the Beremin cleavage model parameter estimates that might be expected for fracture toughness data sets of various sizes. The calibration process was carried out a large number of times using different sample sizes, and mean values and standard errors in the parameter estimates were determined. Modified boundary layer finite element models were used to represent high and low constraint conditions (as in the fracture
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Melekidis, Stefanos, Maximilian Elfner, and Hans-Jörg Bauer. "Towards Quantitative Wall Shear Stress Measurements: Calibration of Liquid Crystals." In ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/gt2020-14381.

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Abstract The wall shear stress distribution on an aerodynamically loaded component is of both practical and fundamental importance. Significant examples are the improvement of the performance of a vehicle, e.g. drag reduction, and more basic problems, such as the characterization of surface flows, e.g. with respect to flow control. The liquid crystal technique represents a promising diagnostics for measuring wall shear stress magnitude and orientation. In contrast to most other techniques, the direct measurement of two-dimensional wall shear stress distributions is straightforward. In order to
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Informes sobre el tema "Boundary conditions calibration"

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Zeiler, K., M. Sutherland, and R. Breitmeyer. Groundwater model of the Upper Gallatin aquifer at Big Sky, Montana. Montana Bureau of Mines and Geology, 2025. https://doi.org/10.59691/fsfu2980.

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This report presents details on the complete construction and operation of the MODFLOW groundwater model of the alluvial aquifer in the Upper Gallatin River Corridor at Big Sky, MT. The report includes details on definition of model geometry, boundary conditions, assumptions, calibration, and sensitivity and uncertainty analysis. The report also presents model results for specific modeling scenarios applicable to the Upper Gallatin River Corridor project.
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