A Finite Element Scheme for Shock Capturing Part 4 docx
A Finite Element Scheme for Shock Capturing ppt
... variation for each element and flags those elements which have a high variation as needing a larger value of a for shock capturing. Note that this would work even in a Galerkin scheme since ... the comparison is to actual flume data. The comparisons are made to the water surface heights and timing of the shock passage. The final case is a steady-state comparison to flume data reported ... 2-Numerical Approach 13 Advective Dominated Flow 13 The Problem 13 Petrov-Galerkin formulation 14 Shock Capturing 20 Case 1: Analytic Shock Speed 24 Case 2: Dam Break 28 Case...
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CHL - A Finite Element Scheme for Shock Capturing_1 pdf
... Station Cataloging-in-Publication Data Berger, Rutherford C. A finite element scheme for shock capturing / by R.C. Berger, Jr., ; prepared for Assistant Secretary of the Army (R&D). ... Petrov-Galerkin formulation 14 Shock Capturing 20 Case 1: Analytic Shock Speed 24 Case 2: Dam Break 28 Case 3: 2-D Lateral Transition 40 Discussion 43 References 55 ... conditions. For simple geometries, analytic and flume results are compared with approaches for shock- capturing and shock detection. A trigger mechanism that turns on the capture schemes in...
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CHL - A Finite Element Scheme for Shock Capturing_3 doc
... variation for each element and flags those elements which have a high variation as needing a larger value of a for shock capturing. Note that this would work even in a Galerkin scheme since ... the comparison is to actual flume data. The comparisons are made to the water surface heights and timing of the shock passage. The final case is a steady-state comparison to flume data reported ... data, for which discrepancy will be due to the hydrostatic assumption made in the shallow- water equations. Instead we have a direct way of evaluating the numerical scheme alone. As spatial...
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CHL - A Finite Element Scheme for Shock Capturing_4 pdf
... go to smaller grid spacing. Values of C, less than 1 appear to lag the analytic shock and Cs greater than 1 leads the analytic shock. With the largest C, the calculated shock speed ... depth and Ah is the analytic depth difference across the shock, 0.1 m. The error was as small as was detectable by the technique for measurement of speed at AX = 0 .4 m so there was no ... arrival is 3.55 sec which is about 0.1 sec late (3 percent). At station 6 both flume and numerical model arrival times for at of 1.0 were about 4. 3 sec and for slation 8 the numerical...
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CHL - A Finite Element Scheme for Shock Capturing_5 potx
... reach the smallest time-step. Again if we are within the shock at a depth where there is an upstream propagating wave (subcritical), is there a Courant number C that has a relative speed greater ... indicates nondimensional quantities and o as a subscript indicates a constant, and These equations can be diagonalized by defining a new variable such that P :A~ P, = A, where Chapter 3 Testing ... amplitude portrait shows substantial damping for larger C and for the shorter wavelengths (or alternatively the poorer resolution). The large damp- ing at a wavelength of 2Ax is important,...
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CHL - A Finite Element Scheme for Shock Capturing_6 potx
... Wiley and Sons, New York, 748 -7 54. Leendertse, J. J. (1967). "Aspects of a computational model for long-period water-wave propagation," Memorandum RM 52 94- PR, Rand Corporation, Santa ... Wavelength Figure 41 . Relative amplitude versus C and resolution for at = 1.5 and a = 0.25 Figure 42 . Relative speed versus C and resolution for at = 1.5 and a = 0.25 Chapter ... model will have application in supercriti- cal as well as subcritical channels, and transitions between regimes. The model can determine the water surface heights along channels and around bridges,...
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Designing a Microsoft SharePoint 2010 Infrastructure Vol 1 part 4 docx
... BI functionality to information workers in the form of dashboards, key performance indicators (KPIs), and Web Parts. • Composites. SharePoint 2010 provides functionality for information workers ... You can base all of these on a single architecture and even a single farm, which makes management and development easier. • Communities or social computing. SharePoint 2010 delivers a range ... Office system. • Search. SharePoint 2010 provides a range of enterprise search options for intranet search and people search, and a platform to build search-driven applications. MCT USE ONLY....
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Tài liệu A resource for reading and words part 4 docx
... yet safe for all, Scuba diving is regarded as one of the most satisfying of hobbies. It can be learned, initially anyway, free of charge at many local baths, and afterwards the heaviest expense ... Certainly, such peace as owed an immense amount to Jones's personal stature. 3. Some people seem to have a natural for making money, while others have a marvellous ability for getting along ... relentless treatment, as soon as I could, I got a job with another company. The last time I saw him was more than ten years ago. At least that's what I thought until last Thursday, when I...
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Tài liệu Academic Writing A Handbook for International Students part 2 docx
... population were unable to read. (Hobsbawm, 19 94, p. 295)3.What makes the difference between plagiarised and acceptable work? List your ideas below.Acceptable PlagiarisedSome vocabulary kept ... so that by the late 1980s only the most honest countries confessed to having as many as half their population illiterate, and only ten – all but Afghanistan in Africa – were prepared to admit ... having as many as half their population illiterate. Only ten (African) countries conceded that less than 20% of their population were literate. (Hobsbawm, 19 94, p. 295)c) As Hobsbawm (19 94) argues,...
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Tài liệu Academic Writing A Handbook for International Students part 4 pdf
... of malaria, already one of the world’s major killers, are steadily spreading across the globe. The deadly strains have established themselves in South-East Asia and South America, and have ... ‘There are so many strains of malaria parasite,’ said one scientist, ‘and each is able to alter its chemical surface and trick its way past the body’s defences. We’d need a remarkable vaccine ... paraphrasing in note-making and summary writing. Effective paraphrasing is vital in academic writing to avoid the risk of plagiarism.1. Although paraphrasing techniques are used in summary...
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