Two-dimensional mathematical modelling of local-scour holes
نویسندگان
چکیده
منابع مشابه
Two-Dimensional Dilaton Black Holes
The two-dimensional CGHS model provides an interesting toymodel for the study of black hole evaporation. For this model, a quantum effective action, which incorporates Hawking radiation and backreaction, can be explicitly constructed. In this paper, we study a generalization of this effective action. In our extended model, it is possible to remove certain curvature singularities arising for the...
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The excess accumulation of water in lung interstitial or alveolar is called pulmonary edema which is caused by factors that upset the normal Starling balance in micro-circulation. Pulmonary edema disturbs the alveolar gas exchanges which are normally regulated by the respiratory system. Mathematical modelling of pulmonary edema may help to predict the lung conditions and the mechanisms involved...
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Callan, Giddings, Harvey and Strominger have proposed an interesting two dimensional model theory that allows one to consider black hole evaporation in the semi-classical approximation. They originally hoped the black hole would evaporate completely without a singularity. However it has been shown that the semi-classical equations will give a singularity where the dilaton field reaches a certai...
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Two sets of experiments related to the scour of cohesionless sediment by planar turbulent jets are presented and discussed. The first set of experiments measures the growth of the scour hole and downstream dune as a function of time. Measurements reveal a bedform that is nearly self-similar and whose growth in time is governed by a power-law relationship. The bedform is well represented by thre...
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ژورنال
عنوان ژورنال: Journal of Hydraulic Research
سال: 1993
ISSN: 0022-1686,1814-2079
DOI: 10.1080/00221689309498775