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Internal Events

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[VIDEO AVAILABLE] CIMNE Coffee Talk: “Theoretical and numerical solution of one-dimensional, non-convex, variational problems with rational expressions in the derivative by using convex optimization and FEM modeling” by Dr. Rene J. Meziat
Coffee Talk
17 Apr 2024
Hybrid

ABSTRACT In this work, we propose a convex, finite-dimensional and exact relaxation for non-convex, one- dimensional, variational problems given as:where the function ???? is a pretty general rational function in the derivative ????′ and the function ???? is a...

[Video available] Severo Ochoa Coffee Talk – “Development and implementation of 3D hybrid-Trefftz finite elements to model high-frequency wave propagation in saturated porous media”, by Natàlia Climent
Coffee Talk
22 Nov 2023
Hybrid

ABSTRACT One of the main problems one can encounter when modelling wave propagation in saturated and solid media using Finite Element Model (FEM) is the link between the wavelength of the wave and the size of the elements. For example, in the conventional FEM at least...