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RISA Derivation of a Minimal Set of Multilinear Loop Equations for Spatial Mechanisms
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The relationship between skew-symmetric and rotation matrices due to Cayley is associated with the quaternion representation of finite rotations. Novel rotation parameters yield three real (dual) ...
Microburst Detection Using Agent Networks
Publisher: American Meteorological Society
Abstract: Automatic detection of microbursts with Doppler radar data is an interesting challenge. Traditionally, manual detection is performed by trained meteorologists who scan through the volumetric radar data for appropriate ...
Review of <i>Dams and Disease: Ecological Design and Health Impacts of Large Dams, Canals and Irrigation Systems</i> by William R. Jobin
Publisher: American Society of Civil Engineers
Surface Motion Excited by Acoustic Emission From a Buried Crack
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The surface motions excited by acoustic emissions produced by fracture processes at the edge of a buried, penny-shaped crack are investigated. Firstly, wave-front approximations to the emissions ...
Assessment of Vertical Deformation of the Atatürk Dam Using Geodetic Observations
Publisher: American Society of Civil Engineers
Abstract: The Atatürk Dam in Turkey, constructed on the Firat River, is one of the world’s largest rockfill embankment dams. It was built to harvest and conserve water and to serve crucial agricultural, social-economic, recreational, ...
Numerical Analysis of Drained Direct and Simple Shear Tests
Publisher: American Society of Civil Engineers
Abstract: Drained direct and simple shear tests are analyzed assuming an isotropic elastoplastic constitutive law and plane strain conditions. The stress and strain distributions within the sample are examined. The numerical analyses ...
Three-Dimensional Constitutive Model for Partially and Fully Saturated Soils
Publisher: American Society of Civil Engineers
Abstract: Constitutive models for partially saturated soils often assume linear relationships for the variation of shear strength with suction and the shape of the partially saturated isotropic compression lines. It has been ...
General Formulation of Two Kinematic Hardening Constitutive Models with a Smooth Elastoplastic Transition
Publisher: American Society of Civil Engineers
Abstract: Two new constitutive models formulated within the framework of kinematic hardening plasticity are presented and their implementation into a finite-element program is described. The models are extensions of two existing ...
Numerical Study of the Effect of Preloading on Undrained Bearing Capacity
Publisher: American Society of Civil Engineers
Abstract: In practice the situation often arises where extra load needs to be added onto existing foundations. This can arise due to the installation of additional equipment in a building, or to the construction of new floors, etc. ...
Influence of Mesh Geometry on Three-Dimensional Finite-Element Analysis of Tunnel Excavation
Publisher: American Society of Civil Engineers
Abstract: Finite element (FE) analysis has become an important tool for predicting building response to tunnel-induced ground movement. Because tunnel construction is a three-dimensional (3D) process, the trend is to apply 3D FE ...