Modelling techniques for vibro-acoustic dynamics of poroelastic materials

E Deckers, S Jonckheere, D Vandepitte… - … Methods in Engineering, 2015 - Springer
Given the quest for mass reduction while preserving proper vibration and acoustic comfort
levels in industrial machinery and vehicles, lightweight poroelastic materials have gained a …

A hybrid-Trefftz finite element platform for solid and porous elastodynamics

ID Moldovan, N Climent, ED Bendea, I Cismasiu… - … Analysis with Boundary …, 2021 - Elsevier
Hybrid-Trefftz finite elements are well suited for modeling the response of materials under
highly transient loading. Their approximation bases are built using functions that satisfy …

FreeHyTE: a hybrid-Trefftz finite element platform

ID Moldovan, I Cismaşiu - Advances in Engineering Software, 2018 - Elsevier
FreeHyTE is a public, open-source and user-friendly software for the solution of initial
boundary value problems using hybrid-Trefftz finite elements. FreeHyTE is designed to be …

Weakly equilibrated basis functions for elasticity problems

B Boroomand, N Noormohammadi - Engineering Analysis with Boundary …, 2013 - Elsevier
In this paper weakly equilibrated basis functions (EqBFs) are introduced for the development
of a boundary point method. This study is the extension of the one in (Int. J. Numer. Methods …

Shape‐free arbitrary polygonal hybrid stress/displacement‐function flat shell element for linear and geometrically nonlinear analyses

C Wu, S Cen, R Ma, C Li - International Journal for Numerical …, 2021 - Wiley Online Library
A high‐performance shape‐free arbitrary polygonal hybrid stress/displacement‐function flat
shell finite element method is proposed for linear and geometrically nonlinear analyses of …

Hybrid-Trefftz displacement and stress elements for bounded poroelasticity problems

ID Moldovan, JAT de Freitas - Computers and Geotechnics, 2012 - Elsevier
The hybrid-Trefftz displacement and stress elements for poroelasticity are applied here to
the spectral analysis of bounded saturated porous media. The displacement model is …

Bender-based G0 measurements: A coupled numerical–experimental approach

ID Moldovan, AG Correia, C Pereira - Computers and Geotechnics, 2016 - Elsevier
Bender elements are shear wave transducers, widely used for the experimental
identification of the small-strain shear moduli of geomaterials. They offer good coupling with …

Hybrid-Trefftz finite elements for biphasic elastostatics

ID Moldovan, TD Cao, JAT De Freitas - Finite Elements in Analysis and …, 2013 - Elsevier
This paper reports on the formulation and implementation of the displacement and stress
models of the hybrid-Trefftz finite elements for elastostatic problems defined on saturated …

Hybrid-Trefftz displacement finite elements for elastic unsaturated soils

ID MOLDOVAN, TD Cao… - International Journal of …, 2014 - World Scientific
The displacement model of the hybrid-Trefftz finite element is formulated for elastodynamic
problems defined on unsaturated soils. The mathematical formulation is based on the theory …

Optimisation of receiver's location in bender element experiments using computational wave filtration

ID Moldovan, AG Correia - Soil Dynamics and Earthquake Engineering, 2021 - Elsevier
Bender elements are shear wave transducers, used for the computation of small strain shear
moduli of geomaterials. However, the distortion of the output signal caused by residual …