An open-source FEniCS-based framework for hyperelastic parameter estimation from noisy full-field data: Application to heterogeneous soft tissues

A Elouneg, D Sutula, J Chambert, A Lejeune… - Computers & …, 2021 - Elsevier
We introduce a finite-element-model-updating-based open-source framework to identify
mechanical parameters of heterogeneous hyperelastic materials from in silico generated full …

[HTML][HTML] Quantifying the uncertainty in a hyperelastic soft tissue model with stochastic parameters

P Hauseux, JS Hale, S Cotin, SPA Bordas - Applied Mathematical …, 2018 - Elsevier
We present a simple open-source semi-intrusive computational method to propagate
uncertainties through hyperelastic models of soft tissues. The proposed method is up to two …

Real-time error control for surgical simulation

HP Bui, S Tomar, H Courtecuisse… - IEEE Transactions …, 2017 - ieeexplore.ieee.org
Objective: To present the first a posteriori error-driven adaptive finite element approach for
real-time simulation, and to demonstrate the method on a needle insertion problem …

Bayesian inference to identify parameters in viscoelasticity

H Rappel, LAA Beex, SPA Bordas - Mechanics of Time-Dependent …, 2018 - Springer
This contribution discusses Bayesian inference (BI) as an approach to identify parameters in
viscoelasticity. The aims are:(i) to show that the prior has a substantial influence for …

Multiple crack detection in 3D using a stable XFEM and global optimization

K Agathos, E Chatzi, SPA Bordas - Computational mechanics, 2018 - Springer
A numerical scheme is proposed for the detection of multiple cracks in three dimensional
(3D) structures. The scheme is based on a variant of the extended finite element method …

Parameter identification for phase-field modeling of fracture: a Bayesian approach with sampling-free update

T Wu, B Rosić, L De Lorenzis, HG Matthies - Computational mechanics, 2021 - Springer
Phase-field modeling of fracture has gained popularity within the last decade due to the
flexibility of the related computational framework in simulating three-dimensional arbitrarily …

Quantifying discretization errors for soft tissue simulation in computer assisted surgery: A preliminary study

M Duprez, SPA Bordas, M Bucki, HP Bui… - Applied Mathematical …, 2020 - Elsevier
Errors in biomechanics simulations arise from modelling and discretization. Modelling errors
are due to the choice of the mathematical model whilst discretization errors measure the …

What makes data science different? A discussion involving statistics2. 0 and computational sciences

C Ley, SPA Bordas - International Journal of Data Science and Analytics, 2018 - Springer
Data Science is today one of the main buzzwords, be it in business, industrial or academic
settings. Machine learning, experimental design, data-driven modelling are all, undoubtedly …

Comparison of Bayesian methods on parameter identification for a viscoplastic model with damage

E Adeli, B Rosić, HG Matthies, S Reinstaedler… - Metals, 2020 - mdpi.com
The state of materials and accordingly the properties of structures are changing over the
period of use, which may influence the reliability and quality of the structure during its life …

Inverse characterization of a material model using an ensemble-based four-dimensional variational method

S Sueki, A Ishii, S Coppieters, A Yamanaka - International Journal of Solids …, 2023 - Elsevier
The identification accuracy of material model parameters is essential for accurately
predicting the deformation behavior of metallic materials (eg, metal forming) using a finite …