Relevant bibliographies by topics / Fine-grid

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

Academic literature on the topic 'Fine-grid'

Author: Grafiati
Published: 4 June 2021
Last updated: 17 February 2022

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Journal articles on the topic "Fine-grid"

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Evazi, M., and H. Mahani. "Unstructured-Coarse-Grid Generation Using Background-Grid Approach." SPE Journal 15, no. 02 (March 3, 2010): 326–40. http://dx.doi.org/10.2118/120170-pa.

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Summary Reservoir flow simulation involves subdivision of the physical domain into a number of gridblocks. This is best accomplished with optimized gridpoint density and a minimized number of gridblocks, especially for coarse-grid generation from a fine-grid geological model. In any coarse-grid generation, proper distribution of gridpoints, which form the basis of numerical gridblocks, is a challenging task. We show that this can be achieved effectively by a novel grid-generation approach based on a background grid that stores gridpoint spacing parameters. Spacing parameter (L) can be described by Poisson's equation (∇2L = G), where the local density of gridpoints is controlled by a variable source term (G); see Eq. 1. This source term can be based on different gridpoint density indicators, such as permeability variations, fluid velocity, or their combination (e.g., vorticity) where they can be extracted from the reference fine grid. Once a background grid is generated, advancing-front triangulation (AFT) and then Delaunay tessellation are invoked to form the final (coarse) gridblocks. The algorithm produces grids varying smoothly from high- to low-density gridpoints, thus minimizing use of grid-smoothing and -optimization techniques. This algorithm is quite flexible, allowing choice of the gridding indicator, hence providing the possibility of comparing the grids generated with different indicators and selecting the best. In this paper, the capabilities of approach in generation of unstructured coarse grids from fine geological models are illustrated using 2D highly heterogeneous test cases. Flexibility of algorithm to gridding indicator is demonstrated using vorticity, permeability variation, and velocity. Quality of the coarse grids is evaluated by comparing their two-phase-flow simulation results to those of fine grid and uniform coarse grid. Results demonstrate the robustness and attractiveness of the approach, as well as relative quality/performance of grids generated by using different indicators.
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Krogstad, S., V. L. L. Hauge, and A. F. F. Gulbransen. "Adjoint Multiscale Mixed Finite Elements." SPE Journal 16, no. 01 (August 23, 2010): 162–71. http://dx.doi.org/10.2118/119112-pa.

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Summary We develop an adjoint model for a simulator consisting of a multiscale pressure solver and a saturation solver that works on flow-adapted grids. The multiscale method solves the pressure on a coarse grid that is close to uniform in index space and incorporates fine-grid effects through numerically computed basis functions. The transport solver works on a coarse grid adapted by a fine-grid velocity field obtained by the multiscale solver. Both the multiscale solver for pressure and the flow-based coarsening approach for transport have shown earlier the ability to produce accurate results for a high degree of coarsening. We present results for a complex realistic model to demonstrate that control settings based on optimization of our multiscale flow-based model closely match or even outperform those found by using a fine-grid model. For additional speed-up, we develop mappings used for rapid system updates during the timestepping procedure. As a result, no fine-grid quantities are required during simulations and all fine-grid computations (multiscale basis functions, generation of coarse transport grid, and coarse mappings) become a preprocessing step. The combined methodology enables optimization of waterflooding on a complex model with 45,000 grid cells in a few minutes.
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Li, Jun, and Donald Brown. "Upscaled Lattice Boltzmann Method for Simulations of Flows in Heterogeneous Porous Media." Geofluids 2017 (2017): 1–12. http://dx.doi.org/10.1155/2017/1740693.

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An upscaled Lattice Boltzmann Method (LBM) for flow simulations in heterogeneous porous media at the Darcy scale is proposed in this paper. In the Darcy-scale simulations, the Shan-Chen force model is used to simplify the algorithm. The proposed upscaled LBM uses coarser grids to represent the average effects of the fine-grid simulations. In the upscaled LBM, each coarse grid represents a subdomain of the fine-grid discretization and the effective permeability with the reduced-order models is proposed as we coarsen the grid. The effective permeability is computed using solutions of local problems (e.g., by performing local LBM simulations on the fine grids using the original permeability distribution) and used on the coarse grids in the upscaled simulations. The upscaled LBM that can reduce the computational cost of existing LBM and transfer the information between different scales is implemented. The results of coarse-grid, reduced-order, simulations agree very well with averaged results obtained using a fine grid.
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Du, Shouhong, Larry S. Fung, and Ali H. Dogru. "Aquifer Acceleration in Parallel Implicit Field-Scale Reservoir Simulation." SPE Journal 23, no. 02 (February 12, 2018): 614–24. http://dx.doi.org/10.2118/182686-pa.

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Summary Grid coarsening outside of the areas of interest is a common method to reduce computational cost in reservoir simulation. Aquifer regions are candidates for grid coarsening. In this situation, upscaling is applied to the fine grid to generate coarse-grid flow properties. The efficacy of the approach can be judged easily by comparing the simulation results between the coarse-grid model and the fine-grid model. For many reservoirs in the Middle East bordered by active aquifers, transient water influx is an important recovery mechanism that needs to be modeled correctly. Our experience has shown that the standard grid coarsening and upscaling method do not produce correct results in this situation. Therefore, the objective of this work is to build a method that retains the fine-scale heterogeneities to accurately represent the water movement, but to significantly reduce the computational cost of the aquifer grids in the model. The new method can be viewed as a modified two-level multigrid (MTL-MG) or a specialized adaptation of the multiscale method. It makes use of the vertical-equilibrium (VE) concept in the fine-scale pressure reconstruction in which it is applicable. The method differs from the standard grid coarsening and upscaling method in which the coarse-grid properties are computed a priori. Instead, the fine-scale information is restricted to the coarse grid during Newton's iteration to represent the fine-scale flow behavior. Within the aquifer regions, each column of fine cells is coarsened vertically based on fine-scale z-transmissibility. A coarsened column may consist of a single amalgamated aquifer cell or multiple vertically disconnected aquifer cells separated by flow barriers. The pore volume (PV), compressibility, and lateral flow terms of the coarse cell are restricted from the fine-grid cells. The lateral connectivity within the aquifer regions and the one between the aquifer and the reservoir are honored, inclusive of the fine-scale description of faults, pinchouts, and null cells. Reservoir regions are not coarsened. Two alternatives exist for the fine-scale pressure reconstruction from the coarse-grid solution. The first method uses the VE concept. When VE applies, pressure variation can be analytically computed in the solution update step. Otherwise, the second method is to apply a 1D z-line solve for the fine-scale aquifer pressure from the coarse-grid solution. Simulation results for several examples are included to demonstrate the efficacy and efficiency of the method. We have applied the method to several Saudi Arabian complex full-field simulation models in which the transient aquifer water influx has been identified as a key factor. These models include dual-porosity/dual-permeability (DPDP) models, as well as models with faults and pinchouts in corner-point-geometry grids, for both history match and prediction period. The method is flexible and allows for the optional selection of aquifer regions to be coarsened, either only peripheral aquifers or both the peripheral and bottom aquifers. The new method gives nearly identical results compared with the original runs without coarsening, but with significant reduction in computer time or hardware cost. These results will be detailed in the paper.
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Gibson, Richard L., Kai Gao, Eric Chung, and Yalchin Efendiev. "Multiscale modeling of acoustic wave propagation in 2D media." GEOPHYSICS 79, no. 2 (March 1, 2014): T61—T75. http://dx.doi.org/10.1190/geo2012-0208.1.

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Conventional finite-difference methods produce accurate solutions to the acoustic and elastic wave equation for many applications, but they face significant challenges when material properties vary significantly over distances less than the grid size. This challenge is likely to occur in reservoir characterization studies, because important reservoir heterogeneity can be present on scales of several meters to ten meters. Here, we describe a new multiscale finite-element method for simulating acoustic wave propagation in heterogeneous media that addresses this problem by coupling fine- and coarse-scale grids. The wave equation is solved on a coarse grid, but it uses basis functions that are generated from the fine grid and allow the representation of the fine-scale variation of the wavefield on the coarser grid. Time stepping also takes place on the coarse grid, providing further speed gains. Another important property of the method is that the basis functions are only computed once, and time savings are even greater when simulations are repeated for many source locations. We first present validation results for simple test models to demonstrate and quantify potential sources of error. These tests show that the fine-scale solution can be accurately approximated when the coarse grid applies a discretization up to four times larger than the original fine model. We then apply the multiscale algorithm to simulate a complete 2D seismic survey for a model with strong, fine-scale scatterers and apply standard migration algorithms to the resulting synthetic seismograms. The results again show small errors. Comparisons to a model that is upscaled by averaging densities on the fine grid show that the multiscale results are more accurate.
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Wu, Gruorong, and Jie Ouyang. "Use of Precise Area Fraction Model for Fine Grid DEM Simulation of ICFB with Large Particles." Symmetry 12, no. 3 (March 4, 2020): 399. http://dx.doi.org/10.3390/sym12030399.

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The heterogeneous structures in a gas–solid fluidized bed can be resolved in discrete element simulation so long as the grid is fine enough. In order to conveniently calculate mean porosity in fine grid simulations, a precise area fraction model is given for two-dimensional simulations. The proposed area fraction model is validated by the discrete element simulation test on a small-scale internal circulation fluidized system of large particles, using a fine grid size of two particle diameters. Simulations show that the discrete element method can perform well in modelling time-varying waveforms for the physical quantities in an internal circulating fluidized bed, employing the precise gas area fraction model. This thought of precise calculation can be generalized to construct a volume fraction porosity model for three-dimensional simulation by use of the similar symmetry of a rectangular grid. Moreover, to construct these area and volume fraction models is to enrich and perfect the underlying model of fine grid simulation.
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Chen, Chuanjun, Wei Liu, and Xin Zhao. "A Two-Grid Finite Element Method for a Second-Order Nonlinear Hyperbolic Equation." Abstract and Applied Analysis 2014 (2014): 1–6. http://dx.doi.org/10.1155/2014/803615.

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We present a two-grid finite element scheme for the approximation of a second-order nonlinear hyperbolic equation in two space dimensions. In the two-grid scheme, the full nonlinear problem is solved only on a coarse grid of sizeH. The nonlinearities are expanded about the coarse grid solution on the fine gird of sizeh. The resulting linear system is solved on the fine grid. Some a priori error estimates are derived with theH1-normO(h+H2)for the two-grid finite element method. Compared with the standard finite element method, the two-grid method achieves asymptotically same order as long as the mesh sizes satisfyh=O(H2).
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KAWASAKI, Akira, Mitsuo OBATA, and Heihachi SHIMADA. "AN IMAGE-PROCESSING SYSTEM FOR FINE-GRID METHOD." Nondestructive Testing Communications 4, no. 2-3 (January 1988): 49. http://dx.doi.org/10.1080/02780898808962106.

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Tobias, M. E. "Grid for CT-guided percutaneous fine-needle aspiration." American Journal of Roentgenology 158, no. 2 (February 1992): 459–60. http://dx.doi.org/10.2214/ajr.158.2.1729811.

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Erturk, E., and O. Gokcol. "Fine grid numerical solutions of triangular cavity flow." European Physical Journal Applied Physics 38, no. 1 (March 21, 2007): 97–105. http://dx.doi.org/10.1051/epjap:2007057.

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Dissertations / Theses on the topic "Fine-grid"

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Foster, Elizabeth M. "Sort of Specific." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1555443642092248.

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Hardy, Benjamin Arik. "A New Method for the Rapid Calculation of Finely-Gridded Reservoir Simulation Pressures." Diss., CLICK HERE for online access, 2005. http://contentdm.lib.byu.edu/ETD/image/etd1123.pdf.

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Li, Ying, Daven Henze, Darby Jack, and Patrick L. Kinney. "The Influence of Air Quality Model Resolution on Health Impact Assessment for Fine Particulate Matter and Its Components." Digital Commons @ East Tennessee State University, 2016. https://dc.etsu.edu/etsu-works/10.

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Health impact assessments for fine particulate matter (PM2.5) often rely on simulated concentrations generated from air quality models. However, at the global level, these models often run at coarse resolutions, resulting in underestimates of peak concentrations in populated areas. This study aims to quantitatively examine the influence of model resolution on the estimates of mortality attributable to PM2.5 and its species in the USA. We use GEOS-Chem, a global 3-D model of atmospheric composition, to simulate the 2008 annual average concentrations of PM2.5 and its six species over North America. The model was run at a fine resolution of 0.5 × 0.66° and a coarse resolution of 2 × 2.5°, and mortality was calculated using output at the two resolutions. Using the fine-modeled concentrations, we estimate that 142,000 PM2.5-related deaths occurred in the USA in 2008, and the coarse resolution produces a national mortality estimate that is 8 % lower than the fine-model estimate. Our spatial analysis of mortality shows that coarse resolutions tend to substantially underestimate mortality in large urban centers. We also re-grid the fine-modeled concentrations to several coarser resolutions and repeat mortality calculation at these resolutions. We found that model resolution tends to have the greatest influence on mortality estimates associated with primary species and the least impact on dust-related mortality. Our findings provide evidence of possible biases in quantitative PM2.5 health impact assessments in applications of global atmospheric models at coarse spatial resolutions.
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Sengele, Loic. "Etude des modes octupolaires dans le noyau atomique de 156Gd : recherche expérimentale de la symétrie tétraédrique." Thesis, Strasbourg, 2014. http://www.theses.fr/2014STRAE038/document.

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Les symétries géométriques jouent un rôle important dans la compréhension de la stabilité de tout système physique. En structure nucléaire, elles sont reliées à la forme du champ moyen utilisé pour décrire les propriétés des noyaux atomiques. Dans le cadre de cette thèse, nous avons utilisé les prédictions obtenues avec l'aide du Hamiltonien du champ moyen nucléaire avec le potentiel de Woods-Saxon Universel pour étudier les effets des symétries dites de « Haut-Rang ». Ces symétries ponctuelles mènent à des dégénérescences des états nucléaires d’ordre 4. Il est prédit que la symétrie tétraédrique influence la stabilité des noyaux proches des nombres magiques tétraédriques [Z,N]=[32,40,56,64,70,90-94,136]. Nous avons sélectionné la région des Terres-Rares proche du noyau doublement magique tétraédrique 154Gd pour notre étude. Dans cette région, il existe des structures de parité négative qui sont mal comprises. Or la symétrie tétraédrique, en tant que déformation octupolaire non-axiale, brise la symétrie par réflexion et doit produire des états de parité négative. Après une étude systématique des propriétés expérimentales des noyaux de la région, nous avons sélectionné le 156Gd comme objet de notre étude des modes d’excitation octupolaire. Nous avons utilisé les probabilités réduites de transition gamma pour discerner ces différents modes. Pour atteindre cet objectif, nous avons réalisé trois expériences de spectroscopie gamma à l’ILL de Grenoble avec les détecteurs EXILL et GAMS afin de mesurer les durées de vie et les intensités des transitions gamma des états candidats. L'analyse de nos résultats montre que notamment la forme tétraédrique aide à comprendre les probabilités des transitions dipolaires. Ce résultat ouvre de nouvelles perspectives expérimentales et théoriques
Geometrical symmetries play an important role in the understanding of all physical systems. In nuclear structure they are linked to the shape of the mean-field used to describe the atomic nuclei properties. In the framework of this thesis, we have used the predictions obtained with the help of the nuclear mean-field Hamiltonian with the Universal Woods-Saxon potential to study the effects of the so-called “High-Rank” symmetries. These point-group symmetries lead to a nuclear state degeneracy of the order of 4. It is predicted that the tetrahedral symmetry affects the stability of nuclei close to the tetrahedral magic numbers [Z,N]=[32,40,56,64,70,90-94,136]. We have selected the Rare-Earth region close to the tetrahedral doubly magic nucleus 154Gd for our study. In this region, there exists negative parity structures poorly understood. Yet the tetrahedral symmetry, as related to a non-axial octupole deformation, breaks the reflection symmetry and leads to the negative parity states. Following a systematics of experimental properties of the nuclei in this region, we have selected 156Gd as the object of our study for the octupole excitation modes. We have used the reduced transitions probabilities to discriminate between these modes. To achieve this goal, we have performed three gamma spectroscopy experiments at the ILL in Grenoble with the EXILL and GAMS detectors to measure the lifetimes and the gamma transition intensities from the candidate states. The analysis of our results shows that including the tetrahedral shape helps to understand the dipole transition probabilities. This result will open new experimental and theoretical perspectives
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Rocha, Eva. "Antithetical Commentaries on X, Y and the Disruption of Being." VCU Scholars Compass, 2016. https://scholarscompass.vcu.edu/etd/4278.

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Through discursive essays and poetic narrative, Antithetical Commentaries on X, Y and the Disruption of Being explores the tenuous relationship between modes of measurement and the struggle for human relevance in the post-contemporary digital age. In the introductory essay, “Not the Feather, but the Bird”, I give an overview of the inherent problems of object-oriented ontology, and how it relates to aesthetics and social issues of our times. In the Developmental Overview, I detail how I developed my installation approach and techniques, particularly with regard to the three-way dynamic of the artist:work:viewer relationship and how it can encourage a ‘transgression’ that leads to the possibility of a transformative awareness of being. Subsequently, I present a series of ‘antithetical’ commentaries that neither explain nor expand the installation, rather, they create a non-binary duality that, through an entirely non-linear anti-narrative, work to erode the overlay of personal, civic and collective grids present in the memory space/time referenced in the video, TAG. Finally, in “Grid: Towards a Transgressive Humanism.” I propose a path by which installation art might serve to create transgressive opportunities for viewers, rather than the transcendence sought through religious rituals, which often reinforce stigmas, fears and authoritarian social dynamics, or worse, the reductive loop, of many contemporary approaches to art which proclaim their detachment in wordy displays, essentially leading to a form of aesthetic nihilism. This Transgressive Humanism is not presented as a dogma, but rather a revitalization of the work as a vessel of possibilities, an agent of creative growth for the artist and the viewer.
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Kim, Yunhee. "Improving Ozone SIP Modeling in Complex Terrain at a Fine Grid Resolution." 2010. http://trace.tennessee.edu/utk_graddiss/714.

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Meteorological variables such as temperature, wind speed, wind directions, and Planetary Boundary Layer (PBL) heights have critical implications for air quality simulations. Sensitivity simulations with five different PBL schemes associated with three different Land Surface Models (LSMs) were conducted to examine the impact of meteorological variables on the predicted ozone concentrations using the Community Multiscale Air Quality (CMAQ) version 4.5 with local perspective. Additionally, the nudging analysis for winds was adopted with three different coefficients to improve the wind fields in the complex terrain at 4-km grid resolution. The simulations focused on complex terrain having valley and mountain areas for ozone SIPs (State Implementation Plans). The ETA M-Y (Mellor-Yamada) and G-S (Gayno-Seaman) PBL schemes were identified as favorite options and promote O3 formation causing the higher temperature, slower winds, and lower mixing height among sensitivity simulations in the area of study. It was found that PX simulation did not always give optimal meteorological and CMAQ model performances at mountain sites. The results of nudging analysis for winds with three different increased coefficients’ values (2.5, 4.5, and 6.0 x 10-4 per second) over seven sensitivity simulations show that the meteorological model performance was enhanced due to improved wind fields, indicating the FDDA (Four Dimensional Data Assimilation) nudging analysis can improve model performance considerably at 4-km grid resolution. Specifically, the sensitivity simulations with the coefficient value (6.0 x 10–4) yielded more substantial improvements than with the other values (2.5 and 4.5 x 10-4). Hence, choosing the nudging coefficient of 6.0 x 10-4 per second for winds in MM5 may be the best choice to improve wind fields as an input, as well as, better model performance of CMAQ in the complex terrain area. The sensitivity of RRFs (Relative Response Factors) to the PBL scheme may be considerably significant with about 1-3 ppb in difference in determining whether the attainment test is passed or failed. Finally, a finer grid resolution was necessary to evaluate and access of CMAQ results for giving a detailed representation of meteorological and chemical processes in the regulatory modeling.
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Pan, Chi-An, and 潘麒安. "Integer Linear Programming Based Substrate Routing Framework for Fine Pitch Ball Grid Array Package." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/eea4e9.

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碩士
國立臺灣科技大學
資訊工程系
107
In advanced very-large-scale integration (VLSI) design, billions of transistors could be fabricated on the same die. Integration circuit (IC) packaging has become one of the most important steps in IC design flow. Fine pitch ball grid array (FBGA) is widely used in space constrained applications, such as mobile and handheld devices. These packaging substrate interconnections are usually customized by layout engineers taking many complex and stringent design rules into considerations. However, fully net-by-net manual design for FBGA is time consuming and error-prone. In this thesis, we propose an integer linear programming (ILP) based router for wire-bonding FBGA packaging design. Our ILP formulation takes design-dependent constraints and mismatched via dimension into account. Three ILP constraint reduction techniques are developed to boost the run time of ILP optimization. Experimental results indicate that our framework could effectively reduce the substrate layout design cycle time.
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Chen, Chien-Ho, and 陳建和. "A Study of Thermal Stress and Failure Mechanism of Solder Jointsfor Thin and Fine-pitch Ball Grid Array Package." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/y6wxhj.

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碩士
國立成功大學
工程科學系專班
90
The major reliability issue of Ball Grid Array package is solder joint crack due to thermal expansion mismatch between joined materials.In this study, a nonlinear finite element mode was used to analyze solder joints under the thermally induced stress and failure mechanism during thermal cycling between -55℃ and 125℃. The Ansys software was performed to compute the thermal stress and plastic strain. The Coffin-Manson formula was used to predict the fatigue life.It is found that the maximum von Mises stress occurs at the outest corner solder joint . The plastic strain range of solder joints in hourglass shape is less than the ones in barrel shape. The smaller pitch and the joints with larger solder pad area result in less stress. The reliability of BGA package is dramatically improved by decreasing the peak thermal stress.　These empirical correlations would be very useful to design engineers in selecting the electronic packaging materials and their properties to reduce the peak stress on the critical electronic devices.
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Books on the topic "Fine-grid"

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Gerritsen, H. Some first particle track computations with fine grid and course grid velocity fields of the Southern North Sea. Delft: Delft Hydraulics Laboratory, 1985.

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Niewiadomski, M. The development of a long-range transport model with a nested fine resolution grid. [Toronto, Ont.]: Environment Ontario, 1991.

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Niewiadomski, M. The development of a long-range transport model with a nested fine resolution grid, phase II. [Toronto]: Ontario, Ministry of the Environment, 1993.

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Hwang, Jennie S. Ball grid array & fine pitch peripheral interconnections: A handbook of the technology & applications for microelectronics/electronics manufacturing. Isle of Man [England]: Electrochemical Publications Ltd, 1995.

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Fine Art And Perceptual Neuroscience Field Of Vision And The Painted Grid. Taylor & Francis Ltd, 2014.

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Hackett, Paul. Fine Art and Perceptual Neuroscience: Field of Vision and the Painted Grid. Taylor & Francis Group, 2016.

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Shop, Habinal. It's Fine I'm Fine Everything Is Fine: The Secret Strengths of INFJ Dot Grid Composition Notebook with Funny Text Gift Idea for Introverts. Independently Published, 2020.

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Book chapters on the topic "Fine-grid"

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Crean, P. B., T. S. Murty, and J. A. Stronach. "The Fine Grid Model: GF3." In Mathematical Modelling of Tides and Estuarine Circulation, 115–28. Berlin Heidelberg New York: Springer-Verlag, 2013. http://dx.doi.org/10.1002/9781118669167.ch5.

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Crean, P. B., T. S. Murty, and J. A. Stronach. "The Overall Fine Grid Model: GF7." In Mathematical Modelling of Tides and Estuarine Circulation, 137–66. Berlin Heidelberg New York: Springer-Verlag, 2013. http://dx.doi.org/10.1002/9781118669167.ch7.

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Keahey, Kate, and Welch Von. "Fine-Grain Authorization for Resource Management in the Grid Environment." In Grid Computing — GRID 2002, 199–206. Berlin, Heidelberg: Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/3-540-36133-2_18.

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Baiardi, Fabrizio, Fabio Martinelli, Paolo Mori, and Anna Vaccarelli. "Improving Grid Services Security with Fine Grain Policies." In On the Move to Meaningful Internet Systems 2004: OTM 2004 Workshops, 123–34. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-540-30470-8_30.

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Maz’ya, Vladimir, Serguei Nazarov, and Boris A. Plamenevskij. "Homogenization of Equations on a Fine Periodic Grid." In Asymptotic Theory of Elliptic Boundary Value Problems in Singularly Perturbed Domains, 283–95. Basel: Birkhäuser Basel, 2000. http://dx.doi.org/10.1007/978-3-0348-8432-7_10.

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Rikvold, P. A., G. Brown, and M. A. Novotny. "Fine-Grid Simulations of Thermally Activated Switching in Nanoscale Magnets." In Springer Proceedings in Physics, 20–23. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-642-55522-0_3.

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Jung, Hyunjoon, Hyuck Han, Hyungsoo Jung, and Heon Y. Yeom. "Dynamic and Fine-Grained Authentication and Authorization Architecture for Grid Computing." In Lecture Notes in Computer Science, 179–86. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/11428862_26.

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Powell, M. J. D. "Tabulation of Thin Plate Splines on a Very Fine Two-Dimensional Grid." In Numerical Methods in Approximation Theory, Vol. 9, 221–44. Basel: Birkhäuser Basel, 1992. http://dx.doi.org/10.1007/978-3-0348-8619-2_13.

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Li, Hongwei. "An Efficient Fine-Grained Keywords Comparison Scheme in the Smart Grid Auction Market." In Enabling Secure and Privacy Preserving Communications in Smart Grids, 47–60. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-04945-8_4.

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Gwizdałła, Tomasz M. "The Evacuation Process Study with the Cellular Automaton Floor Field on Fine Grid." In Lecture Notes in Computer Science, 248–57. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-44365-2_25.

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Conference papers on the topic "Fine-grid"

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Gehani, Ashish, Basim Baig, Salman Mahmood, Dawood Tariq, and Fareed Zaffar. "Fine-grained tracking of Grid infections." In 2010 11th IEEE/ACM International Conference on Grid Computing (GRID). IEEE, 2010. http://dx.doi.org/10.1109/grid.2010.5697969.

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Sarmady, Siamak, Fazilah Haron, and Abdullah Zawawi Talib. "Simulating Crowd Movements Using Fine Grid Cellular Automata." In 2010 12th International Conference on Computer Modelling and Simulation. IEEE, 2010. http://dx.doi.org/10.1109/uksim.2010.85.

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Bubendorfer, Kris. "Fine Grained Resource Reservation in Open Grid Economies." In 2006 Second IEEE International Conference on e-Science and Grid Computing (e-Science'06). IEEE, 2006. http://dx.doi.org/10.1109/e-science.2006.261165.

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Liu, Yi, Lixin Wang, and Zeqing Wang. "Fine Grid-Based Crowd Evacuation Simulation in Airport Terminal." In Fourth International Conference on Transportation Engineering. Reston, VA: American Society of Civil Engineers, 2013. http://dx.doi.org/10.1061/9780784413159.332.

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Liu, Quan, and Yeqing Liao. "Grouping-Based Fine-Grained Job Scheduling in Grid Computing." In 2009 First International Workshop on Education Technology and Computer Science. IEEE, 2009. http://dx.doi.org/10.1109/etcs.2009.132.

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Wu, Zhen, Chengcan Ying, Fei Zhao, Zhifang Fan, Xinyu Dai, and Rui Xia. "Grid Tagging Scheme for Aspect-oriented Fine-grained Opinion Extraction." In Findings of the Association for Computational Linguistics: EMNLP 2020. Stroudsburg, PA, USA: Association for Computational Linguistics, 2020. http://dx.doi.org/10.18653/v1/2020.findings-emnlp.234.

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Darman, N. H., L. J. Durlofsky, and G. E. Pickup. "Upscaling Immiscible Gas Displacements: Quantitative Use of Fine Grid Flow Data in Grid Coarsening Schemes." In SPE Asia Pacific Conference on Integrated Modelling for Asset Management. Society of Petroleum Engineers, 2000. http://dx.doi.org/10.2118/59452-ms.

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Iwase, Taku, Hideshi Obara, Hiroyasu Yoneyama, Yoshinobu Yamade, and Chisachi Kato. "Calculation of Aerodynamic Noise for Centrifugal Fan of Air-Conditioner." In ASME 2013 Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/fedsm2013-16071.

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Abstract:
Flow fields in a centrifugal fan for an indoor unit of an air-conditioner were calculated with finite element method-based large eddy simulation (LES) with the aim of predicting fan performance and aerodynamic noise in this study. The numerical simulation code employed throughout the LES was called FrontFlow/blue (FFB). We compared 10M grid [coarse grid] and 60M grid [fine grid] calculation results for investigation of influence of grid resolution. In the fine grid, the number of grid elements in blade-to-blade direction, and of region between the shroud and the bell mouth increased in particular. By calculating with the fine grid, calculated distributions of absolute velocities at blade exit reasonably agreed with experimental results. Because of this, maximum absolute velocity by fine grid near hub decreased as compared to those by coarse grid. Calculated sound pressure level by fine grid was therefore smaller than that by coarse grid, and the overestimation of sound pressure was suppressed by calculating with fine grid. This decrease of the absolute velocity was a first factor for the improvement of calculation accuracy. Moreover, number of captured streaks on the blade, hub, and shroud surfaces by fine grid increased as compared to those by coarse grid. As a result, size of streak by fine grid became smaller than that by coarse grid. Static pressure fluctuations by fine grid on the blade, hub, and shroud surfaces therefore reduced as compared to those by coarse grid. Aerodynamic noise was related to static pressure fluctuations according to Curle’s equation. This reduction of static pressure fluctuations was therefore a second factor for improvement of calculation accuracy.
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Guzman, R. E., and Khalid Aziz. "Fine Grid Simulation of Two-Phase Flow in Fractured Porous Media." In SPE Annual Technical Conference and Exhibition. Society of Petroleum Engineers, 1992. http://dx.doi.org/10.2118/24916-ms.

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Wright, Daniel Nilsen, Maaike M. Visser Taklo, Astrid-Sofie B. Vardoy, and Helge Kristiansen. "Metal coated polymer spheres for compliant fine pitch ball grid arrays." In 2014 International 3D Systems Integration Conference (3DIC). IEEE, 2014. http://dx.doi.org/10.1109/3dic.2014.7152177.

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Reports on the topic "Fine-grid"

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Gorlischev, Vasiliy P., Pavel Grigoriev, and Anatoli I. Michalski. R programs for splitting abridged fertility data into a fine grid of ages using the neural network method. Rostock: Max Planck Institute for Demographic Research, January 2018. http://dx.doi.org/10.4054/mpidr-tr-2018-001.

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Michalski, Anatoli I., Pavel Grigoriev, and Vasiliy P. Gorlischev. R programs for splitting abridged fertility data into a fine grid of ages using the quadratic optimization method. Rostock: Max Planck Institute for Demographic Research, January 2018. http://dx.doi.org/10.4054/mpidr-tr-2018-002.

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