Multi-Expansion Modal Reduction: A pragmatic semi-a-priori model order reduction approach for nonlinear structural dynamics KU Leuven
A novel model order reduction scheme for nonlinear finite-element structural dynamics models is proposed in this work, which enables an overall accelerated model evaluation. The proposed Multi-Expansion Modal (MEM) reduction employs a set of modal bases evaluated for a number of representative statically deformed configurations, combined with these static deformation patterns, to obtain a reduced order basis (ROB). This ROB is then exploited in ...