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RISA Description of Three-Dimensional Yield Surfaces by Cubic Polynomials
Publisher: American Society of Civil Engineers
Abstract: A description of yield surfaces in the axial-torsional-hoop stress space, which is able to capture the yield surface expansion/contraction, translation, rotation, affine deformation, and distortion, is constructed under a ...
Discussion of “Rotation-Based Shear Failure Model for Lightly Confined RC Columns” by Wassim M. Ghannoum and Jack P. Moehle
Publisher: American Society of Civil Engineers
Solving Mechanical Systems with Nonholonomic Constraints by a Lie-Group Differential Algebraic Equations Method
Publisher: American Society of Civil Engineers
Abstract: A Lie-group differential algebraic equations (LGDAE) method, which is developed for solving differential-algebraic equations, is a simple and effective algorithm based on the Lie group GL(n,R) and the Newton iterative ...
Medium- to Long-Term Forecasts of Sea Surface Height Anomalies using a Spatiotemporal Empirical Orthogonal Function Method
Publisher: American Meteorological Society
Abstract: A spatiotemporal empirical orthogonal function (STEOF) forecast method is proposed and used in medium- to long-term sea surface height anomaly (SSHA) forecast. This method embeds temporal information in empirical orthogonal ...
Yield Surface Evolution and Elastoplastic Model with Cubic Distortional Yield Surface
Publisher: ASCE
Abstract: We conducted a series of axial-torsional strain-controlled experiments on thin-walled tubular specimens of aluminum alloy Al6061 in our lab, examining carefully the probed yield points in axial-torsional space. On the basis ...