By López Jiménez, Petra Amparo
This e-book includes the chosen prolonged abstracts provided on the First foreign Workshop on Environmental Hydraulics IWEH09, Theoretical, Experimental and Computational ideas, held in Valencia from 29 to 30 October 2009. the purpose of the workshop was once to motivate scientists, engineers and researchers to offer and facilitate verbal exchange on modeling environmental difficulties regarding hydrodynamic features of fluid modeling, together with fluid mechanics research, delivery of toxins, mathematical and method modeling, experimental and theoretical validation reports, size recommendations centred to environmental difficulties, etc.
80 papers were chosen for ebook within the e-book, overlaying the next topics:
- Mathematical and numerical modeling of environmental fluid mechanics problems
- Turbulence modeling
- Dispersion and Transport
- Experimental studies on the topic of hydraulic types of environmental problems
- Models Validation
- Water and environmental engineering and hydroinformatics
This publication offers an up to date evaluation of the result of study and perform in current and destiny environmental hydraulics advancements, specially elements on the topic of modelling.
Read or Download Environmental Hydraulics - Theoretical, Experimental and Computational Solutions: Proceedings of the International Workshop on Environmental Hydraulics, IWEH09, 29 & 30 October 2009, Valencia, Spain PDF
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Additional info for Environmental Hydraulics - Theoretical, Experimental and Computational Solutions: Proceedings of the International Workshop on Environmental Hydraulics, IWEH09, 29 & 30 October 2009, Valencia, Spain
3 NUMERICAL MODEL For modeling the hydrodynamics of the Manzanillo harbor actual conditions, as well as the enlargement scenarios, the numerical model ADCIRC was used. The ADCIRC is a circulation depth-integrated hydrodynamic model, in which the shallow water equations are solved through the finite element method. The ADCIRC uses the Generalized Wave Continuity Equation (GWCE) formulation. In the GWCE formulation, the continuity equation is substituted by a linear combination of mass conservation and the momentum equations, which is cast in wavelength form .
Model 3: Detail of the bottom step. Figure 11. Model 3: Shear stresses. Figure 12. Model 3: Detail of the bottom step. Figure 13. Model 4: Shear stresses. Figure 14. Model 3: Detail of the bottom step. 2 Obtained results • Tailwater level • Shear stresses at the bottom of the channel 4 CONCLUSIONS • CFD allowed modeling the water behavior in the channel and the partition in a very precise way, accurately representing the physical problems present in the real structure. • CFD allowed an improvement in the design process carried out to solve the problems that come to light during the analysis phase of the project.
Further analysis has been done in the structures area (Figure 4); also this place has a fine mesh. The main feature of this work is to control the outflow of 850 [m2 /s] in this section of the Carrizal River. 1 Velocity In a study without hydraulic structure on the river (Figure 5) the velocities increase where the river cross section is reduced. This behavior produces scour on the lateral surfaces. The highest velocities are concentrated on the free surface of water due to the width and the depth of water.
Environmental Hydraulics - Theoretical, Experimental and Computational Solutions: Proceedings of the International Workshop on Environmental Hydraulics, IWEH09, 29 & 30 October 2009, Valencia, Spain by López Jiménez, Petra Amparo