Finite element analysis and material sensitivity of Peltier thermoelectric cells coolers

JL Pérez–Aparicio, R Palma, RL Taylor - International Journal of Heat and …, 2012 - Elsevier
In this work, a finite element simulation of a commercial thermoelectric cell, working as a
cooling heat pump, is presented. The specially developed finite element is three …

A probabilistic damage identification approach for structures with uncertainties under unknown input

K Zhang, H Li, Z Duan, SS Law - Mechanical Systems and Signal …, 2011 - Elsevier
To avoid the false positives of damages in the deterministic identification method induced by
uncertainties in measurement noise, a probabilistic method is proposed to identify damages …

Multiphysics and thermodynamic formulations for equilibrium and non-equilibrium interactions: non-linear finite elements applied to multi-coupled active materials

JL Pérez-Aparicio, R Palma, RL Taylor - Archives of Computational …, 2016 - Springer
Combining several theories this paper presents a general multiphysics framework applied to
the study of coupled and active materials, considering mechanical, electric, magnetic and …

[HTML][HTML] Model-based damage reconstruction in composites from ultrasound transmission

AA Fahim, R Gallego, N Bochud, G Rus - Composites Part B: Engineering, 2013 - Elsevier
Composites are high performance advanced materials with a growing applicability due to
their extreme strength, rigidity to weight ratios. However, usual kinds of damage are hardly …

Optimal measurement setup for damage detection in piezoelectric plates

G Rus, R Palma, JL Pérez-Aparicio - International Journal of Engineering …, 2009 - Elsevier
An optimization of the excitation–measurement configuration is proposed for the
characterization of damage in PZT-4 piezoelectric plates, from a numerical point of view. To …

Material uncertainty effect on vibration control of smart composite plate using polynomial chaos expansion

K Umesh, R Ganguli - Mechanics of Advanced Materials and …, 2013 - Taylor & Francis
Polynomial chaos expansion with Latin Hypercube sampling is used to study the effect of
material uncertainty on vibration control of a smart composite plate with piezoelectric …

[HTML][HTML] Reverse Time Migration and Genetic Algorithms combined for reconstruction in transluminal shear wave elastography: An in silico case study

A Gomez, G Rus, N Saffari - Ultrasonics, 2024 - Elsevier
A new reconstruction approach that combines Reverse Time Migration (RTM) and Genetic
Algorithms (GAs) is proposed for solving the inverse problem associated with transluminal …

Composite material and piezoelectric coefficient uncertainty effects on structural health monitoring using feedback control gains as damage indicators

K Umesh, R Ganguli - Structural Health Monitoring, 2011 - journals.sagepub.com
This article addresses uncertainty effect on the health monitoring of a smart structure using
control gain shifts as damage indicators. A finite element model of the smart composite plate …

Dissipative finite-element formulation applied to piezoelectric materials with the Debye memory

R Palma, JL Pérez-Aparicio… - IEEE/ASME Transactions …, 2018 - ieeexplore.ieee.org
This work presents a finite-element study of the Debye memory in piezoelectric devices. The
memory dependence is due to the spontaneous polarization of the electric dipoles, and it …

A probabilistic damage identification approach for structures under unknown excitation and with measurement uncertainties

Y Lei, Y Su, W Shen - Journal of Applied Mathematics, 2013 - Wiley Online Library
Recently, an innovative algorithm has been proposed by the authors for the identification of
structural damage under unknown external excitations. However, identification accuracy of …