Bravo Pareja, Rafael; Pérez-Aparicio, José L.; Laursen, T.A.(Wiley, 2012-11-30)
An energy frictional dissipating algorithm (EFDA) for time integration of Coulomb frictional impact-contact problems is presented. With the use of the penalty method, and in the context of a conserving framework, linear ...
Bravo Pareja, Rafael; Pérez-Aparicio, José L.; Laursen, T.A.(Wiley, 2011-03-18)
An Enhanced Energy Conserving Algorithm (EECA) formulation for time integration of frictionless contact-impact problems is presented. In it the energy, linear and angular momentum are conserved for every contact using an ...
Bravo, Rafael; Ortiz, Pablo; Pérez-Aparicio, José L.(Taylor & Francis, 2018)
[EN] This work introduces analytical and numerical approaches to compute the incipient motion of ellipsoidal sediment particles. Initiation of motion of spherical particles is dominated by rolling mode. However, solutions ...
Domingo López, Javier(Universitat Politècnica de València, 2020-09-15)
[ES] Se aborda el estudio de algoritmos de contacto en la combinación del Método de Elementos Finitos y Método de Elementos Discretos (FEM/DEM) aplicado a estructuras. En primer lugar, se establece el marco teórico de la ...