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Hydraulic Models

Investigating Prior Parameter Distributions in the Inverse Modelling of Water Distribution Hydraulic Models

Investigating Prior Parameter Distributions in the Inverse Modelling of Water Distribution Hydraulic Models

... The aim of this paper is to demonstrate the benefits of including prior information to improve the identifiability of estimated parameters. We investigate the effect of different sampling strategies of pipe roughness ...

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Literature Review of Dam Break Studies and Inundation Mapping Using Hydraulic Models and GIS

Literature Review of Dam Break Studies and Inundation Mapping Using Hydraulic Models and GIS

... Numerical models used to carry out the dam break study and flood routing which may be one-dimensional, two- dimensional or combination of ...one-dimensional models decreases hence two- dimensional ...

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A coupling of hydrologic and hydraulic models appropriate for the fast floods of the Gardon River basin (France)

A coupling of hydrologic and hydraulic models appropriate for the fast floods of the Gardon River basin (France)

... the hydraulic model is asked. The hydraulic models can be in one, two, or three ...3-D models are rather infrequent in the literature, and their field of application is restricted to very ...

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Design of Velocity Measurement Circuit for Propeller Type Sensor Used on Physical Hydraulic Models

Design of Velocity Measurement Circuit for Propeller Type Sensor Used on Physical Hydraulic Models

... in hydraulic model studies. In physical hydraulic model studies it is required to measure velocities at several locations near the hydraulic structure so as to optimize the design and ...in ...

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Dynamic hydraulic models to study sedimentation in drinking water networks in detail

Dynamic hydraulic models to study sedimentation in drinking water networks in detail

... dynamic models will result in more accurate criteria for the prediction, e ffi cient mitigation and ultimately prevention of sedimentation in the ...EPANET-based models; (2) a rigid column model, in which ...

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Urban Flood Scaling Using Hydrologic and Hydraulic Models with Inception for Early Warning

Urban Flood Scaling Using Hydrologic and Hydraulic Models with Inception for Early Warning

... quantity over refined grids plays a crucial role in the hydrological rainfall-runoff model process. Numerical Weather Prediction (NWP) uses "models" of the atmosphere and computational techniques to ...

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Mathematical Hydraulic Models of One-Dimensional Unsteady Flow in Rivers

Mathematical Hydraulic Models of One-Dimensional Unsteady Flow in Rivers

... mathematical models used for commutating the unsteady flow in rivers constitute difficult mathematical problems because of the nonlinear nature of the two simultaneous partial differential equations, as has ...

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Hydraulic models in stream restoration

Hydraulic models in stream restoration

... predict hydraulic effects of stream restoration measures using the relatively new two-dimensional Delft3D FM software compared to using a more traditional one-dimensional Sobek model as often done ...

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Hydrological and hydraulic models for determination of flood-prone and flood inundation areas

Hydrological and hydraulic models for determination of flood-prone and flood inundation areas

... gional scale flood hazard assessment model, the downstream area of Akçay Creek came out to be a critical flood-prone zone based on wetness indexes in Fig. 4a and b. The close-up view of this location in Fig. 4c shows ...

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Towards automatic calibration of 2 D flood propagation models

Towards automatic calibration of 2 D flood propagation models

... Abstract. Hydraulic models for flood propagation descrip- tion are an essential tool in many fields and are used, for ex- ample, for flood hazard and risk assessments, evaluation of flood control measures, ...

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Examination of Computational Precision  versus Modeling Complexity for Open  Channel Flow with Hydraulic Jump

Examination of Computational Precision versus Modeling Complexity for Open Channel Flow with Hydraulic Jump

... WSPG models, the jump forms across two adjacent nodes, the result of the CFD model is more in agreement with the reported experimental data, where the jump forms over an elongated ...turbulence models ...

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Uncertainty related to high resolution topographic data use for
          flood event modeling over urban areas: toward a sensitivity analysis approach

Uncertainty related to high resolution topographic data use for flood event modeling over urban areas: toward a sensitivity analysis approach

... deterministic hydraulic models outputs, uncertainty analysis (UA) and global sensitivity analysis (SA) can provide useful information that is required by practitioners and decision ...with hydraulic ...

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Recent advances in flood forecasting and flood risk assessment

Recent advances in flood forecasting and flood risk assessment

... hydrological models for the land-phase with hydraulic models to simulate flood propagation throughout the drainage ...routing models is used, subsequently, to predict not only water levels and ...

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Roughness of a subglacial conduit under Hansbreen, Svalbard

Roughness of a subglacial conduit under Hansbreen, Svalbard

... of hydraulic roughness in subglacial hydrological models is therefore crit- ical to correctly simulate timescales of conduit enlargement by melt and the spatial distribution of subglacial water pres- sure ...

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Characterization of stony soils’ hydraulic conductivity using laboratory and numerical experiments

Characterization of stony soils’ hydraulic conductivity using laboratory and numerical experiments

... soil hydraulic properties is of major concern in various fields of ...the hydraulic conductivity of a soil is still rather ...frequently, models char- acterizing the saturated hydraulic ...

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Principal Longevity, Leadership Behaviors, and Student Academic Achievement

Principal Longevity, Leadership Behaviors, and Student Academic Achievement

... Longitudinal profiles for site 2 are shown in Figures 3.1 and 3.2. Linear functions of relative elevation (y) in terms of downstream distance (x) were determined by linear regression. Site 2 has a step-pool morphology ...

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Modeling and interpreting element ratios in water and sediments: A sensitivity analysis of post Chernobyl Ru : Cs ratios

Modeling and interpreting element ratios in water and sediments: A sensitivity analysis of post Chernobyl Ru : Cs ratios

... In particular, the models assume that the lake is a completely mixed reactor and that material can only be lost by hydraulic flushing, sorption of dissolved forms onto particles followed[r] ...

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An Overview of Recently Developed Coupled Simulation Optimization Approaches for Reliability Based Minimum Cost Design of Water Retaining Structures

An Overview of Recently Developed Coupled Simulation Optimization Approaches for Reliability Based Minimum Cost Design of Water Retaining Structures

... by hydraulic design variables such as seepage quantities, which are difficult to determine from closed-form solutions or approximation ...surrogate models. The surrogate models (me- ta-models) ...

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Development of a Simulation Framework for Analyzing Security of Supply in Integrated Gas and Electric Power Systems

Development of a Simulation Framework for Analyzing Security of Supply in Integrated Gas and Electric Power Systems

... market models are proposed in a medium-term scope, where the two systems are formulated separately as optimization problems and the obtained primal dual information is ...commitment models relating to short ...

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... that hydraulic conductivity is affected by characteristic pore size rather than ...decreases, hydraulic conductivity decreases with square of pore ...that hydraulic conductivity is influenced by the ...

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