Geotechnical Earthquake Engineering Research Using a Large Centrifuge

Constitutive Models: Tools for Advanced Analysis of Geotechnical Problems

Rapid Prototyping of Computer Models to Characterize Discontinuous Rock Masses

Groundwater Flow Model Development at the Nevada Test Site
The Underground Test Area Project (UGTA) of the National Nuclear Security Administration.s Nevada Site Office is in the process of assessing and developing regulatory decision options...

Transport Model Uncertainty and Sensitivity Analysis for Groundwater Releases of Radionuclides from Subsurface Nuclear Tests
Uncertainty analysis of groundwater flow and transport models is a topic of considerable interest in the groundwater modeling communities. The Underground Test Area (UGTA) Project of the...

Maximum Weighted Log-Likelihood Estimation for Parameterization Selection Uncertainty
Hydraulic conductivity identification remains a challenging inverse problem in groundwater modeling because of inherent non-uniqueness and lack of flexibility in parameterization methods....

Evaluation of a Bias Aware Ensemble Kalman Filter Using a Scaled Aquifer Transport Experiment
In this study, a bias-aware Ensemble Kalman Filter (EnKF) is applied to a scaled aquifer transport experiment (1-cm of the model equals 1-m at field scale and 1-day of model transport...

Groundwater Transport Modeling Using Fuzzy Sets and Fuzzy Logic
Modeling of groundwater flow and transport is inherently uncertain. The predictive capability of the model depends upon both the quantity and quality of hydrogeologic data. The introduction...

Evaluation of IA SWAT Testing Protocol for ET Controllers
In recent years the Irrigation Association (IA) has developed a testing protocol for Smart Water Application Technologies (SWAT). These technologies consist of irrigation controllers such...

Effects of Impervious Area Estimation Methods on Simulated Peak Discharges
The variability of simulated flood discharges is evaluated using two methods for estimating impervious surfaces and common design methods in the Mission Creek watershed (31 sq km) located...

Floodplain Delineation of the Ranillas Meander in Zaragoza Using GUAD-2D
After the selection of Zaragoza (Spain) as the host city of the International Expo 2008, the Gobierno de Aragón (i.e., the local government)...

An Experimental Study on the Behaviour of Full-Scale Composite Steel Frames under Furnace Loading
In view of recent large fires in tall buildings, such as One Meridian Square (USA), East Tower Central Park (Venezuela), World Trade Center (USA) and Windsor Tower (Spain), there has been...

Analytical Solutions for Coupled Reactive Transport Equations
Modeling the transport of reactive contaminants is one of the key challenges faced by groundwater engineers worldwide. Specifically, problems involving the transport of sequentially decaying...

Optimal Resource Allocation for the Cleanup of Petroleum Contaminated Sites
Site rehabilitation is conducted in many states using a risk-based corrective action process wherein alternative remedial actions are evaluated and implemented, depending on the level...

Modeling Fort Ord Site OU2's Remediation System Using Optimization
Fort Ord.s Site OU2 is located approximately 80 miles south of San Francisco near Monterey Bay in Monterey County, California. Fort Ord contains two landfills which were used for residential...

Challenges in Drinking Water Distribution Systems Security Modeling
This paper is on challenges in drinking water distribution systems security modeling connected to OCMS, addressing research and practical issues coming-out from two recent activities which...

Characterization of Particle Class Sizes Associated with Indicator Organisms in Stormwater
The presence of pathogen indicators is the leading cause of water body impairment in the United States, accounting for over 15% of the waters currently requiring TMDL development (USEPA,...

Simulation/Optimization Modeling Post-Audits
S/O models have long been used to compute optimal strategies for user-specified optimization problems. It is useful to provide a retrospective of two S/O modeling applications, and how...

The Purpose of Numerical Modeling

Numerical Modeling in Geoenvironmental Practice

 

 

 

 

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