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Wastewater Reclamation and Reuse for Malibu, California
Engineering-Science is providing consulting engineering services for the design of a sewer system and wastewater reclamation plant for the urban portion of Malibu, California. This project...

Central Valley Groundwater and Surface Water Model: A Conjunctive Use Planning Tool
A three dimensional finite element groundwater simulation model is integrated with a surface water simulation model to evaluate the conjunctive use feasibility for a specific area. The...

An Expert System for the Planning and Design of Flood Control Channels
The planning and design of flood control channels often calls for the evaluation of a unique set of physical conditions which do not lend themselves to standard designs. Consequently,...

What is a Drainage Utility?
A drainage utility is: a financing mechanism, providing a stable and dedicated funding source for surface water quality and quantity control; and a governmental entity whose mission is...

A Comparison of Accuracies of Steady Water Surface Profiles
The author compares the effect of varying boundary conditions and cross sectional spacing on one dimensional steady water surface profiles. Six streams are modeled using both the 10 and...

Model Mania in Urban Hydrology: Present Dilemmas
A recent ASCE Task Committee on microcomputer software in urban hydrology has just completed its inventory of 40 software packages available at modest cost to the urban drainage engineer....

Interaction of Elastic Waves with Axisymmetric Cavities in a Half Space: A Combined Finite Element-Boundary Integral Approach
A hybrid numerical method is presented to investigate the interaction of elastic waves with axisymmetric cavities on the surface of a half space. In this method the near field which consists...

Laboratory Study of Wave-Current Interactions
Laboratory experiments confirmed the non-breaking blocking of waves by strong adverse current. Data failed to confirm the conservation of action flux....

Numerical Solutions for Transient and Nearly Periodic Waves in Shallow Water
This paper presents a study of several numerical methods for solving transient (time-dependent) model equations for waves in shallow water by means of the method of lines. The physical...

On the Transformation of Wave Spectra by Currents and Bathymetry
Application of the conservation principle for action spectral density along rays, frequently described in literature, is not sufficient to specify the refracted wave spectrum. In order...

Wave Shoaling on Uniform Currents
The purposes of this paper are to investigate the characteristics of waves coexisting with uniform currents on a sloping bottom. The theoretical calculations of the third order approximation...

Boundary Element Calculation of Nonlinear Wave Generation and Wave Current Interactions
A boundary element model is used to simulate the problem of nonlinear wave generation, and the interactions of wave and current. The numerical model is established based on the potential...

Extracting Dynamics from Ocean Wave Time Series Data
Recent developments in chaotic dynamics have indicated that qualitative information of a dynamical system can be extracted from the observation of a single time series as the time series...

Stability of Nearly Breaking Long Waves
This paper addresses the development of equations for nonlinear dispersive waves that have improved stability properties over the commonly used Boussinesq-type equations. Boussinesq-type...

The Influence of the Viscosity on the Progressive Waves
In a stationary atmosphere, the free-surface progressive wave motion in a real fluid of uniform depth is analysed by using Navier-Stokes equation, and its mechanism is described in first-order...

Comparative Performance of Spectral and Parametric Numerical Wave Prediction Models in Lake Michigan
Four different numerical wave prediction models are used to hindcast wave conditions in Lake Michigan for a 10 day case in October, 1988. Results are compared to observed wave height and...

Wave Calculation Using WAM Model and NMC Wind
The CYCLE 2 version of the WAM (Wave Model) model is used to hinfcast global ocean wave spectra, using the NMC (National Meteorological Center) winds, for a period of about 60 days. The...

Hydrodynamic Pressure on an Oscillating Vertical Plate
The hydrodynamic pressure on an oscillating vertical plate could be influenced by the effects of compressibility of fluids and surface waves. The compressibility is effective for higher...

The Moving Contact Line
The flow field around the moving contact line, generated by an impulsive, horizontal motion of a vertical plate, is studied numerically. The two-dimensional, unsteady Navier-Stokes equations,...

Interaction of Viscous Free-Surface Flow with Submerged Structure
The fully-transformed unsteady incompressible Navier-Stokes equations are solved numerically in a time-dependent boundary-fitted coordinate system. In addition, the complete viscous free-surface...

 

 

 

 

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