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Parallel Preconditioned Conjugate Gradient Methods for Structural Analysis Problems with Multiple Loadings
This paper describes the use of conjugate gradient method for finite element problems with multiple loading cases. Specifically, we introduce a modified conjugate gradient method for the...

Boston's Sewage Outfall
The centerpiece of the Boston Harbor cleanup plan will be the sewage plant on Deer Island, which will treat water from 43 municipalities in the Boston metro area�500 mgd to start. In order...

Closing Hazardous Landfills
Designing and constructing covers for uncontrolled hazardous-waste landfills can pose some special problems�such as differential settlements as great as 50% of landfill thickness. Under...

Geographic Engineering Management System
The Memphis District Engineering Division is developing a GIS type data base as part of a Geographic Engineering Management System (GEMS) to assist both the District and the Lower Mississippi...

Extending GIS Capabilities for Enhanced Sewer System Modeling
A limitation of many sewer system modeling programs is their inability to accept and display graphic data. By the same token, many GIS packages, which handle graphics, aren't...

Applications of GIS to Wastewater System Master Planning in Albuquerque
The City of Albuquerque Public Works Department provides wastewater collection and treatment services to a metropolitan area of over 550,000 people. In order to plan for needed wastewater...

Establishing a Geographic Information System
The ultimate test of an advancement in civil engineering is the successful integration of aspects of the advance into the general engineering community. Success stories in this area include...

Evaluation of Intensity-Duration-Frequency Curves by Point Precipitation Models
In this work an alternative approach to estimate the Intensity-Duration-Frequency curves is used. This approach which uses point precipitation models recently proposed in the literature...

Low Stream Flow Frequency Analysis with Ordinary and Tobit Regression
In order to estimate the low-flow quantiles at ungaged sites, it is necessary to estimate low-flow quantiles at gaged sites. Two linear regression methods, denoted NR and NE, are compared...

Application of Kalman Filtering to Groundwater Flow in Finite Heterogeneous Aquifers
A stochastically based methodology using Kalman filtering is presented for the optimal estimation of hydraulic properties in finite heterogeneous aquifers. This is achieved by applying...

Management and Statistical Analysis of Groundwater Monitoring Data at Solid Waste Landfills
Solid waste landfills in Ohio and Michigan, as in many states, are required to have monitoring wells. Groundwater samples from these wells are analyzed to determine if leachate from the...

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...

Introduction to Multi Criterion Methods and Selected Software
Water resources and environmental managers face a difficult task of managing water resources systems to meet an increasing array of objectives. Often the various objectives are non-commensurable...

Live Demonstration with Attendees Participation
An application of multi criterion decision making is demonstrated in an interactive environment with Conference participants attending this session. A common problem facing water resources...

Summary and Analysis of the Demonstration
The author's have, in preparation for this ASCE Conference, conducted other interactive demonstrations using the same case study, special interest groups and in essence a...

Total Quality Management
Total Quality Management (TQM) is an organizational management approach that is receiving increasing attention in a wide variety of organizations, including the Ford Motor Company, General...

Issues in the Use of an Expert System for Teaching
This paper describes an expert system called SYSES which has been developed at the FIDS laboratory at the University of Manitoba. SYSES is intended to be a teaching aid for undergraduate...

Effectiveness of Demand Management Strategies
Good quality water is a valuable resource that should be used wisely. It is necessary that water supply authorities develop water conservation plans. In order to develop a water conservation...

Water Supply Network Modeling for Infrastructure Management
The concept of a graphics-based computer package for water supply network modeling and system management is discussed. Network model input and solution data are reported via color graphics...

The Boundary Element Method in Engineering Practice
The advances in computer aided engineering has revolutionised many aspects of the engineering design in the last twenty years or so. During this time, design engineers have relied heavily...

 

 

 

 

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