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Dr. Lars Beex
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| Faculté ou Centre | Faculté des Sciences, des Technologies et de Médecine | ||||||||
| Department | Département Ingénierie | ||||||||
| Adresse postale |
Université du Luxembourg Maison du Nombre 6, Avenue de la Fonte L-4364 Esch-sur-Alzette |
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| Bureau sur le campus | MNO, E04 0415-120 | ||||||||
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| Téléphone | (+352) 46 66 44 5646 | ||||||||
| Réseaux sociaux & blogs | |||||||||
| Langues parlées | Dutch, English | ||||||||
I try to obtain an understanding of the mechanics of solid materials and translate this knowledge into predictive computational models, which can directly or in the long run be used by industry. Some of my current research interests are multiscale modelling (particular the quasicontinuum method), stochastic parameter identification, the treatment of random parameter fields, model order reduction approaches, nonlinear material models with plasticity and damage, and beam descriptions with beam-to-beam contact.
Summary of my CV:
2014-Today Research Scientist, Faculty of Technology, Science and Communication, University of Luxembourg, LU.
2013-2014 Lecturer, School of Engineering, Cardiff University, UK.
2008-2012 PhD, Mechanics of Materials, Eindhoven University of Technology, NL.
2005-2008 MSc, Mechanics of Materials, Eindhoven University of Technology, NL.
2002-2005 BSc, Mechanical Engineering, Eindhoven, University of Technology, NL.
Recognition:
- Biezeno Award 2013 (best 2012 PhD thesis in Solid Mechanics in The Netherlands, awarded by KIVI NIRIA).
- In the top 10 of best engineering PhD theses according to Dutch Technology Foundation STW.
- Distinction ‘Cum laude’ for MSc and BSc degrees.
Last updated on: jeudi 19 novembre 2020
Articles publiés dans des périodiques scientifiques
A refinement indicator for adaptive quasicontinuum approaches for structural lattices; ; ; ; ;
in International Journal for Numerical Methods in Engineering (in press)
A Bayesian framework to identify random parameter fields based on the copula theorem and Gaussian fields: Application to polycrystalline materials; ; ;
in Journal of Applied Mechanics (in press)
A mechanical model for compaction of strands in wire ropes; ;
in International Journal of Solids and Structures (2023), 269
An adaptive multiscale quasicontinuum approach for mechanical simulations of elastoplastic periodic lattices; ; ; ;
in Mechanics Research Communications (2022), 126
Intercorrelated random fields with bounds and the Bayesian identification of their parameters: Application to linear elastic struts and fibers; ;
in International Journal for Numerical Methods in Engineering (2022), 123(15), 3418-3463
Bayesian model uncertainty quantification for hyperelastic soft tissue models; ;
in Data-Centric Engineering (2021)
A hyper-reduction method using adaptivity to cut the assembly costs of reduced order models; ; ; ;
in Computer Methods in Applied Mechanics and Engineering (2021), 380
Frictional interactions for non-localised beam-to-beam and beam-inside-beam contact; ; ;
in International Journal for Numerical Methods in Engineering (2021), 122(7), 1706-1731
Beam-inside-beam contact: Mechanical simulations of slender medical instruments inside the human body; ; ;
in Computer Methods and Programs in Biomedicine (2020), 196
Accelerating fatigue simulations of a phase-field damage model for rubber; ; ;
in Computer Methods in Applied Mechanics and Engineering (2020), 370(113247),
Generalized quasicontinuum modeling of metallic lattices with geometrical and material nonlinearity and variability; ; ; ;
in Computer Methods in Applied Mechanics and Engineering (2020), 366(112878),
Fatigue phase-field damage modeling of rubber using viscous dissipation: Crack nucleation and propagation; ;
in Mechanics of Materials (2020), 142
Non-localised contact between beams with circular and elliptical cross-sections; ; ;
in Computational Mechanics (2020), 65
Contact between shear-deformable beams with elliptical cross-sections; ;
in Acta Mechanica (2020), 231
Fusing the Seth-Hill strain tensors to fit compressible elastic material responses in the nonlinear regimein International Journal of Mechanical Sciences (2019), 163
Bayesian Identification of Mean-Field Homogenization model parameters and uncertain matrix behavior in non-aligned short fiber composites; ; ; ; ; ; ; ; ;
in Composite Structures (2019), 220
A stochastic Galerkin cell-based smoothed finite element method (SGCS-FEM); ; ;
in International Journal of Computational Methods (2019), 17(8),
Estimating fibres' material parameter distributions from limited data with the help of Bayesian inference;
in European Journal of Mechanics. A, Solids (2019), 75
A Tutorial on Bayesian Inference to Identify Material Parameters in Solid Mechanics; ; ; ;
in Archives of Computational Methods in Engineering (2019)
Identifying elastoplastic parameters with Bayes' theorem considering double error sources and model uncertainty; ; ;
in Probabilistic Engineering Mechanics (2019), 55
Adaptive smoothed stable extended finite element method for weak discontinuities for finite elasticity; ; ;
in European Journal of Mechanics. A, Solids (2019), 78
Rate-dependent phase-field damage modeling of rubber and its experimental parameter identification; ;
in Journal of the Mechanics and Physics of Solids (2019)
Non-localized Contact Between Beams with Non-Circular Cross Sections; ;
in Proceedings in Applied Mathematics and Mechanics (2019)
Classification of states and model order reduction of large scale Chemical Vapor Deposition processes with solution multiplicity; ; ; ;
in Computers and Chemical Engineering (2018), 121
An adaptive variational Quasicontinuum methodology for lattice networks with localized damage; ; ;
in International Journal for Numerical Methods in Engineering (2017), 112(2),
Bayesian inference to identify parameters in viscoelasticity; ;
in Mechanics of Time-Dependent Materials (2017)
A variational formulation of dissipative quasicontinuum methods; ; ;
in International Journal of Solids and Structures (2016), 102-103
Higher-order quasicontinuum methods for elastic and dissipative lattice models: uniaxial deformation and pure bending; ; ;
in GAMM Mitteilungen (2015), 38(2), 344-368
Open-Cell Aluminium Foams with Graded Coatings as Passively Controllable Energy Absorbers; ; ;
in Materials and Design (2015), 87
The mechanical reliability of an electronic textile investigated using the virtual-power-based quasicontinuum method; ; ;
in Mechanics of Materials (2015), 80
Central summation in the quasicontinuum method; ;
in Journal of the Mechanics and Physics of Solids (2014), 70
Uncertainty quantification of dry woven fabrics: A sensitivity analysis on material properties; ; ; ;
in Composite Structures (2014), 116
A multiscale quasicontinuum method for dissipative lattice models and discrete networks; ;
in Journal of the Mechanics and Physics of Solids (2014), 64
A multiscale quasicontinuum method for lattice models with bond failure and fiber sliding; ;
in Computer Methods in Applied Mechanics and Engineering (2014), 269
Quasicontinuum-based multiscale approaches for plate-like beam lattices experiencing in-plane and out-of-plane deformation; ; ;
in Computer Methods in Applied Mechanics and Engineering (2014), 279
A discrete network model for bond failure and frictional sliding in fibrous materials; ;
in International Journal of Solids and Structures (2013), 50(9), 1354-1363
Experimental identification of a lattice model for woven fabrics: Application to electronic textile; ;
in Composites. Part A, Applied Science and Manufacturing (2013), 48
On the influence of delamination on laminated paperboard creasing and folding;
in Philosophical Transactions of the Royal Society of London. Series A : Mathematical and Physical Sciences (2012), 370
A quasicontinuum methodology for multiscale analyses of discrete microstructural models; ;
in International Journal for Numerical Methods in Engineering (2011), 87(7), 701-718
An experimental and computational study of laminated paperboard creasing and folding;
in International Journal of Solids and Structures (2009)
Colloques et congrès scientifiques – Communication orale non publiée
Adaptive equation-free multiscale modeling of metallic lattices with geometrical nonlinearity and variability; ; ; ;
Scientific Conference (2019, September 12)
Equation-free multiscale modeling of metallic lattices with geometrical and material nonlinearity and variability; ; ; ;
Scientific Conference (2019, September 05)
Multiscale fracture: a natural connection between reduced order models and homogenisation; ; ; ; ; ; ;
Scientific Conference (2019, May 13)
An equation-free, nested, concurrent multiscale approach without scale-separation;
Scientific Conference (2018, September)
Identifying fibre material parameter distributions with little experimental efforts; ;
Scientific Conference (2018, July 23)
Identifying material parameter distributions of fibers with extremely limited experimental efforts; ;
Scientific Conference (2018, July 22)
Multiscale Modeling of Discrete Mesomodels for Dry-Woven Fabrics; ;
Scientific Conference (2018, March)
Multiscale Modelling of Damage and Fracture in Discrete Materials Using a Variational Quasicontinuum Method; ; ;
Scientific Conference (2017, September 05)
eXtended Variational Quasicontinuum Methodology for Modelling of Crack Propagation in Discrete Lattice Systems; ; ;
Scientific Conference (2017, July 17)
An equation-free multiscale method: a result of extending the quasicontinuum method to irregular structures;
Scientific Conference (2017, July 16)
An Enriched Quasi-Continuum Approach to Crack Propagation in Discrete Lattices; ; ;
Scientific Conference (2017, June 14)
An equation-free multiscale method applied to discrete networks;
Scientific Conference (2017, June 06)
Reduced basis Nitsche-based domain decomposition: a biomedical application; ; ;
Scientific Conference (2017, March 10)
Bayesian inference for material parameter identification in elastoplasticity; ; ;
Scientific Conference (2016, September 07)
POD-based reduction methods, the Quasicontinuum Method and their Resemblance; ;
Scientific Conference (2016, June 27)
A Bayesian approach for parameter identification in elastoplasticity; ; ;
Scientific Conference (2016, June 09)
Virtual-power-based quasicontinuum methods for discrete dissipative materialsScientific Conference (2016, June)
Virtual-power-based quasicontinuum methods for discrete dissipative materials;
Scientific Conference (2016, June)
A Bayesian approach for parameter identification in elastoplasticity; ; ;
Scientific Conference (2016, June)
POD-based Reduction Methods, the Quasicontinuum Method and their Resemblance; ;
Scientific Conference (2016, June)
A comparison of two meso-models for dry-woven fabrics and their multiscale equivalents; ;
Scientific Conference (2016, April)
Reducing non-linear PDEs using a reduced integration proper orthogonal decomposition method; ; ;
Scientific Conference (2016)
Multi-scale methods for fracture: model learning across scales, digital twinning and factors of safety; ; ; ; ; ;
Scientific Conference (2015, November 18)
Multi-scale fracture, model reduction, CAD and image as a model; ; ; ;
Scientific Conference (2015, June 24)
MULTISCALE QUASICONTINUUM APPROACHES FOR DISCRETE MODELS OF FIBROUS MATERIALS SUCH AS ELECTRONIC TEXTILE AND PAPER MATERIALS; ; ; ;
Scientific Conference (2014, July 20)
Multiscale quasicontinuum approaches for beam lattices; ; ; ; ; ;
Scientific Conference (2014, July)
Multiscale quasicontinuum methods for fibrous materials; ; ; ; ; ;
Scientific Conference (2014, July)
Colloques et congrès scientifiques – Communication poster
Bayesian inference for parameter identification in computational mechanics; ; ;
Poster (2016, December 12)
Présentations scientifiques dans des Universités ou centres de recherche
UNSUPERVISED LEARNING BASED MODEL ORDER REDUCTION FOR HYPERELASTOPLASTICITY; ; ;
Presentation (2021, January)
Clustering Based Model Order Reduction For Hyper Elastoplastic Material Models; ; ;
Presentation (2019, July 29)
An introduction to Bayesian inference for material parameter identification; ; ;
Presentation (2016, February 04)
Multiscale Quasicontinuum Methods for Dissipative Truss Models and Beam Networks; ; ; ;
Presentation (2014, November 05)
Discrete Multiscale Modelling and Future Research Plans concerning Metals; ; ;
Presentation (2014, October 14)
Discrete Multiscale Modelling and Future Research Plans concerning Metals (presentation); ; ;
Presentation (2014, October 14)
Rapports de recherche interne
Rapports – Autres
Allocutions et discours
Reduced order method for patient specific application: biomechanics of brain in presence of tumor; ;
Speeches/Talks (2016)
