Three-dimensional invariants and their application to object recognition
Signal Processing
Parametrization of closed surfaces for 3-D shape description
Computer Vision and Image Understanding
Simulating blast effects on steel beam-column members: Methods
Computers and Structures
Simulating blast effects on steel beam-column members: Methods
Computers and Structures
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Validation and application examples are presented for a beam-column element that uses bounding surface plasticity models to characterize the effects of blast-induced damage in structures with steel wide-flange members. Element formulation and implementation within the nonlinear explicit dynamic finite element code CU-BAMM appears in the companion paper [1]. The current paper details the creation of a library of bounding surfaces for various wide-flange members and explosive scenarios, and library integration with the code. A validation example shows favorable agreement between CU-BAMM simulation results and results obtained from a high-resolution model for prediction of the post-blast collapse load for an A-frame system.