Application of Telescopic Mesh Refinement to a Regional Model to Simulate Ground-water Flow in Webberville, Michigan PDF Download
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Author: Carol L. Luukkonen
Publisher:
ISBN:
Category : Groundwater flow
Languages : en
Pages : 27
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Author: Carol L. Luukkonen
Publisher:
ISBN:
Category : Groundwater flow
Languages : en
Pages : 27
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Author: Reggina Garza
Publisher:
ISBN:
Category : Computer simulation
Languages : en
Pages : 64
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Author: Carol L. Luukkonen
Publisher:
ISBN:
Category : Groundwater flow
Languages : en
Pages : 53
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Author: Tomasz Plewa
Publisher: Springer Science & Business Media
ISBN: 3540270396
Category : Mathematics
Languages : en
Pages : 550
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Book Description
Advanced numerical simulations that use adaptive mesh refinement (AMR) methods have now become routine in engineering and science. Originally developed for computational fluid dynamics applications these methods have propagated to fields as diverse as astrophysics, climate modeling, combustion, biophysics and many others. The underlying physical models and equations used in these disciplines are rather different, yet algorithmic and implementation issues facing practitioners are often remarkably similar. Unfortunately, there has been little effort to review the advances and outstanding issues of adaptive mesh refinement methods across such a variety of fields. This book attempts to bridge this gap. The book presents a collection of papers by experts in the field of AMR who analyze past advances in the field and evaluate the current state of adaptive mesh refinement methods in scientific computing.
Author: Christopher Robert Jackson
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Reggina Garza
Publisher:
ISBN:
Category : Computer simulation
Languages : en
Pages : 49
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Author: Dalila Loudyi
Publisher: LAP Lambert Academic Publishing
ISBN: 9783659508189
Category :
Languages : en
Pages : 248
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In this work, three finite volume discretisations of the two-dimensional diffusion equation, governing groundwater flow and for use with structured quadrilateral meshes, have been developed. The three methods rely on a cell-centred finite volume approach, but show distinct differences in the choice of: gradient approximation, head interpolations and control volume. They have been implemented into MODFLOW to enhance its capability in simulating accurately natural aquifer boundaries. A time implicit formulation has been used in each model. Five test examples have been undertaken to compare the performance of the newly developed methods against MODFLOW predictions and analytical results. The accuracy of the results obtained was found to depend on the spatial and temporal discretisations. One of the three developed methods proved its robustness, with regard to mesh non-orthogonality and skewness, and has been tested with a field case study. A discussion about the performance of the new developed finite volume model has been included and the model has been shown to perform well in comparison with MODFLOW.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 20
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This article is based on the adaptive mesh refinement calculation methods developed by M.J. Berger and J. Oliger. It opts for the use of the concept of numerous units formed into a grid, used in solving hyperbolic type equation sets. It combines finite difference forms, opts for the use of Richardson extrapolation techniques to automatically carry out local truncation error estimates, and, for regions with low accuracy, produces new fine mesh local refinements or eliminates old fine mesh refinements which are no longer needed, in order to reach, in the minimum amount of operations, the specified accuracy requirements. Grids are capable of going down into a layer on layer refinement. On the basis of the layered sequence of coverage, each individual grid is a rectangular uniform grid or mesh in any direction desired. This set of algorithms is independent of difference forms used in solutions, is very easy, and combines various types of forms. (AN).
Author: Tania Brice Coffin
Publisher:
ISBN:
Category :
Languages : en
Pages : 158
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Author: University of Birmingham. School of Civil Engineering
Publisher:
ISBN:
Category :
Languages : en
Pages :
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