The PULSEQUAL Model: Using Combinations of Simple Mathematical Equations to Evaluate Complex Storm Effects on Water Quality
Storm discharges (stormwater and combined sewer overflows) have transient and highly variable impacts on receiving waters. Simple water quality equations have been developed to accurately...

Impact of Spatial and Temporal Data Limitations on the Modeling of Runoff Quantity and Quality
A small subbasin within an urbanized watershed (Reno, Nevada) was intensively monitored for runoff quantity and quality. The EPA Stormwater Management Model (SWMM) was applied to simulate...

Algorithms for Efficient Real-time Traffic Assignment
Fast algorithms are essential to accomplish real-time traffic assignment for optimal routing or traffic prediction under ATMS/ATIS. User-equilibrium and system-optimal traffic assignment...

An Automated Database System for Construction Bidding
A number of probability-based bidding models have been developed to assist a contractor in preparing bids that improve chances of winning over the competition. Models based on utility...

A Constraint-Based Composites Design Advisor
Most engineering problems, because they involve mathematical relations (constraints) on real valued quantities (objects), can be reduced to constraint networks. The authors speculate that...

Applying Constraint Satisfaction Neural Networks to Multiple Views' Data Partitioning in Building Engineering
A typical building engineering process involves multiple project participants and several computer applications. These participants and applications have their own views of the underlying...

Three-Dimensional Nonlinear Analysis of a Wooden Structure with Base Subsidence
A heavy rain caused a famous Chinese ancient wooden structure to suffer serious base subsidence. In order to deal with the base subsidence of the valuable structure, a joggle model and...

Plastic Limit Analysis of Arch Dams
This paper applies the lower- and the Upper- bound theorems of the plasticity theory to arch dams, according to different forms of discretization for dam, two methods, namely the structural...

Using an Object-Oriented System and a Conceptual Building Model to Represent Architectural Information During Early Design Phases
In this paper we are to present an object-oriented system based on a conceptual building model for handling architectural information during early design phases. This system and model...

Integrating Qualitative and Quantitative Reasoning in Structural Engineering
Qualitative reasoning has applications in engineering problem solving and the development of intelligent computer-aided engineering tools. Most applications in structural engineering have...

Order of Magnitude Reasoning for Qualitative Matrix Structural Analysis
Several computational schemes have recently been proposed to adapt Qualitative Reasoning for Structural Engineering applications. One current methodology. Qualitative Matrix Analysis (QMA),...

Application of Spencer's Method for Slope Stability Analysis
For slope stability analysis with general, arbitrarily shaped failure surfaces, the Spencer's method has been found to provide a reasonably accurate result. This method satisfies both...

Regional Stress Field Due to Water-Filling at Sanxia Dam
This paper uses the observed stress values to simulate the tectonic stress field in the reservoir. Based on the increment analysis method. we discuss the effects and variations of the...

Constraint Management for Concurrent Design and Construction Using an Object-Oriented Project Model
To realize a richer communication among multiple disciplines participants of A/E/C project, an object-oriented product or project model is useful and powerful. especially sharing and maintaining...

Foundation Uniform Pressure and Soil Structure Interaction
The enclosed paper was presented in the ASCE, 8th Conference on Computing in Civil Engineering and published in its proceedings. One of its main assumptions was considering the foundation...

Creative Engineering Design Using Analogy
Designs in different domains vary in structure, performance and in many other aspects. However, their design purposes can be achieved in a limited number of ways. In this paper, we classify...

A Shape Annealing Approach to Creative Design of Structures
This paper shows how shape grammars can be used to model structural engineering problems. The shape annealing algorithm is then used to synthesize component topologies by bringing analysis...

Optimal Processor Mapping for Massively Parallel Finite Element Computations
The exploitation of massively parallel computer for finite element analysis requires efficient usage of processors as well fast speed. For example, the efficiency of a parallel matrix...

Integrating Database and Geometric Modeling Technologies to Manage Facility Information
Existing engineering data models provide various means of representing, organizing and linking information about constructed facilities in a computer-integrated environment. However, they...

Resource Constrained Time-Space Scheduling Model
This study aims to develop a resource constrained time-space scheduling model, mainly aiming application to pipeline laying world for gas supply under roads in urban area. This model can...

 

 

 

 

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