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RISHypoplastic Modeling of Anisotropic Sand Behavior Accounting for Rotation of Principal Stress Direction
Publisher: ASCE
Abstract: The rotation of the principal stress direction has a significant influence on the stress–strain relation and deformation characteristics of sand. This study proposes a hypoplastic model to simulate the noncoaxial response ...
Novel Undrained Servomechanism in Discrete-Element Modeling and Its Application in Multidirectional Cyclic Shearing Simulations
Publisher: ASCE
Abstract: Multidirectional shearing of granular soils involves shearing more than one shear stress component, and thus may result in more-complex soil responses than unidirectional shearing. This study developed an advanced numerical ...
Bounding Surface Plasticity Model for Clay under Cyclic Loading Conditions Considering Fabric Anisotropy
Publisher: ASCE
Abstract: Cyclic loading is encountered in several practical geotechnical problems. Understanding and modeling cyclic soil responses are key to engineering analysis and design. As one of the most distinct features of soils, fabric ...
Critical State for Anisotropic Granular Materials: A Discrete Element Perspective
Publisher: American Society of Civil Engineers
Transient Response of an Atmospheric GCM to North Atlantic SST Anomalies
Publisher: American Meteorological Society
Abstract: A high-resolution atmospheric general circulation model (GCM) is used to evaluate the atmospheric response to North Atlantic sea surface temperature (SST) anomalies. The transient evolution of the response is studied in ...
Energy-Based Approach to Quantify Cyclic Resistance and Pore Pressure Generation in Anisotropically Consolidated Sand
Publisher: American Society of Civil Engineers
Abstract: In practical engineering, sand fills or deposits are often under an anisotropic stress condition. Thus, these soil elements sustain an initial static shear stress before being acted upon by cyclic loading because of traffic, ...
Exergetic Analysis of Energy Storage using Multiple Phase-Change Materials
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents an exergetic analysis of the charge process in energy storage using multiple phase-change materials (PCMs). Thermal storage using two, three, five, as well as an infinite ...
Markov Autocorrelation Pulse Model for Two Sites Daily Streamflow
Publisher: American Society of Civil Engineers
Abstract: A Markov autocorrelation pulse (MACP) model for two sites daily streamflow generation is proposed in this study. By using two-component pulses with a one-order Markov autocorrelation deterministic part and a skewed Weibull ...
Estimating Basin Evapotranspiration Using Distributed Hydrologic Model
Publisher: American Society of Civil Engineers
Abstract: Proposed in this study is an approach to estimate regional evapotranspiration from potential evaporation using a distributed hydrologic model. If water is freely available in the storage tank of interest, evapotranspiration ...
Linearity of the Atmospheric Response to North Atlantic SST and Sea Ice Anomalies
Publisher: American Meteorological Society
Abstract: The observations of the ocean?atmosphere?sea ice have recently revealed that the oceanic surfaces can have a subtle but significant impact on the atmospheric long-term fluctuations. Low-frequency variations and long-term ...