Essential boundary conditions and K-compressibility in Hyper Reduced Order Models

ALEJANDRO COSIMO; ALBERTO CARDONA; SERGIO IDELSOHN

Buenos Aires

Congreso; PANACM 2015 - 1st Pan-American Congress on Computational Mechanics, in conjunction with the 11th Argentine Congress on Computational Mechanics, MECOM 2015; 2015

CIMNE - AMCA - IACM

The treatment of inhomogeneous essential boundary conditions must be carefully analysed in the formulation of Hyper Reduced Order Models. Two methods are analysed: one in which the boundary conditions are imposed in an strong way, and a second one in which a weak imposition of boundary conditions is made. Applications to nonlinear transient heat conduction problems with temperature dependent thermophysical properties and time dependent essential boundary conditions are considered.