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RISImproved Box Model for Simulating Pesticide Transport in the Vadose Zone with Dispersive Flux through the Boundary Layer
Publisher: American Society of Civil Engineers
Abstract: A box-type transport model can be a useful tool for screening-level, long-term predictions of contamination and the relevant environmental assessment, especially when data are scarce and quick decisions are needed. In most ...
Delineation of Pothole-Dominated Wetlands and Modeling of Their Threshold Behaviors
Publisher: American Society of Civil Engineers
Abstract: Time-invariant contributing area and full hydrologic connectivity are commonly assumed in traditional watershed delineation and modeling. In reality, however, contributing area of a depression-dominated prairie basin varies ...
Anisotropic Hypoplastic Model Considering Volumetric Yield for Sand with a Wide Range of Stress
Publisher: American Society of Civil Engineers
Abstract: Abstract Aimed at the characteristic that anisotropic sand can yield at isotropic compression
conditions and generate volumetric strain when subjected to shear stress, this study
proposes an anisotropic hypoplastic model ...
Contact Analysis of Regular Patterned Rough Surfaces in Magnetic Recording
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The contact of regular patterned rough surface in magnetic recording was analyzed to predict the contact area, meniscus force and permissible load under thin-film lubricated conditions. The contact ...
Pointwise Identification of Elastic Properties in Nonlinear Hyperelastic Membranes—Part I: Theoretical and Computational Developments
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: We present an innovative method for characterizing the distributive elastic properties in nonlinear membranes. The method hinges on an inverse elastostatic approach of stress analysis that can ...
A Numerical Three-Dimensional Model for the Contact of Rough Surfaces by Variational Principle
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new numerical method for the analysis of elastic and elastic-plastic contacts of two rough surfaces has been developed. The method is based on a variational principle in which the real area ...
Modeling Metal and Sediment Transport in a Stream-Wetland System
Publisher: American Society of Civil Engineers
Abstract: It has been a challenge to couple a stream channel system with adjacent wetlands and to simulate their interactions and the dynamic processes associated with water flow, sediment movement, and contaminant transport. In ...
Effects of DEM Resolution on Surface Depression Properties and Hydrologic Connectivity
Publisher: American Society of Civil Engineers
Abstract: Surface digital elevation model (DEM) resolution receives increasing attention because of its importance in topographic analysis (e.g., quantification of surface depressions) and hydrologic modeling. Varied and even contrary ...
Cross-Flow Vortex-Induced Vibration Simulation of Flexible Risers Employing Structural Systems of Different Nonlinearities With a Wake Oscillator
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: To achieve a reliable structural model for vortex-induced vibration (VIV) the prediction of flexible risers, this paper employs structural systems with different geometrical nonlinearities (including a linear structure, a ...
Event and Continuous Hydrologic Modeling with HEC-HMS
Publisher: American Society of Civil Engineers
Abstract: Event hydrologic modeling reveals how a basin responds to an individual rainfall event (e.g., quantity of surface runoff, peak, timing of the peak, detention). In contrast, continuous hydrologic modeling synthesizes ...