Bayesian inference for random field parameters with a goal-oriented quality control of the PGD forward model's accuracy

I Coelho Lima, A Robens-Radermacher… - Computational …, 2022 - Springer
Numerical models built as virtual-twins of a real structure (digital-twins) are considered the
future of monitoring systems. Their setup requires the estimation of unknown parameters …

A phase field model for the solid-state sintering with parametric proper generalized decomposition

W Ma, Y Shen - Powder Technology, 2023 - Elsevier
Solid state sintering is a common process for additive manufacturing (AM), which is often
simulated with the phase field method. However, high computational cost limits the …

Tape surfaces characterization with persistence images

T Frahi, C Argerich, M Yun, A Falco, A Barasinski… - 2020 - sam.ensam.eu
The aim of this paper is to leverage the main surface topological descriptors to classify tape
surface profiles, through the modelling of the evolution of the degree of intimate contact …

A path planning algorithm for a dynamic environment based on proper generalized decomposition

A Falcó, L Hilario, N Montés, MC Mora, E Nadal - Mathematics, 2020 - mdpi.com
A necessity in the design of a path planning algorithm is to account for the environment. If
the movement of the mobile robot is through a dynamic environment, the algorithm needs to …

Efficient structural reliability analysis by using a PGD model in an adaptive importance sampling schema

A Robens-Radermacher, JF Unger - Advanced Modeling and Simulation …, 2020 - Springer
One of the most important goals in civil engineering is to guarantee the safety of the
construction. Standards prescribe a required failure probability in the order of 10^-4 10-4 to …

Towards a Vector Field Based Approach to the Proper Generalized Decomposition (PGD)

A Falcó, L Hilario, N Montés, MC Mora, E Nadal - Mathematics, 2020 - mdpi.com
A novel algorithm called the Proper Generalized Decomposition (PGD) is widely used by the
engineering community to compute the solution of high dimensional problems. However, it is …

MATHEMATICAL MODELLING OF SHAFTS IN DRIVES.

P Hruby, T Nahlik, D Smetanova - Komunikácie, 2018 - search.ebscohost.com
Propeller shafts of the vehicle's drive transmit a torque to relatively large distances. The
shafts are basically long and slender and must be dimensioned not only in terms of torsional …

Efficient identification of random fields coupling Bayesian inference and PGD reduced order model for damage localization

A Robens-Radermacher, F Held, I Coelho Lima… - PAMM, 2021 - Wiley Online Library
One of the main challenges regarding our civil infrastructure is the efficient operation over
their complete design lifetime while complying with standards and safety regulations. Thus …

analyse topologique des données dans la mécanique numérique

T Frahi - 2021 - pastel.hal.science
La présente thèse à pour sujet la topologie numérique pour les systèmes mécaniques. Nous
traitons de l'analyse, de la caractérisation et de l'exploitation des données à fort contenu …

Efficient reliability analysis coupling importance sampling using adaptive subset simulation and PGD model reduction

A Robens-Radermacher, JF Unger - PAMM, 2019 - Wiley Online Library
One of the most important goals in civil engineering is to guaranty the safety of constructions.
National standards prescribe a required failure probability in the order of 10− 6 (eg DIN EN …