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Konstantinos Agathos
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A well‐conditioned and optimally convergent XFEM for 3D linear elastic fracture
K Agathos, E Chatzi, SPA Bordas, D Talaslidis
International Journal for Numerical Methods in Engineering 105 (9), 643-677, 2016
922016
Stable 3D extended finite elements with higher order enrichment for accurate non planar fracture
K Agathos, E Chatzi, SPA Bordas
Computer Methods in Applied Mechanics and Engineering 306, 19-46, 2016
822016
Improving the conditioning of XFEM/GFEM for fracture mechanics problems through enrichment quasi-orthogonalization
K Agathos, SPA Bordas, E Chatzi
Computer Methods in Applied Mechanics and Engineering 346, 1051-1073, 2019
802019
Stable 3D XFEM/vector level sets for non‐planar 3D crack propagation and comparison of enrichment schemes
K Agathos, G Ventura, E Chatzi, SPA Bordas
International Journal for Numerical Methods in Engineering 113 (2), 252-276, 2018
782018
Discrete and phase field methods for linear elastic fracture mechanics: a comparative study and state-of-the-art review
A Egger, U Pillai, K Agathos, E Kakouris, E Chatzi, IA Aschroft, ...
Applied Sciences 9 (12), 2436, 2019
672019
Multiple crack detection in 3D using a stable XFEM and global optimization
K Agathos, E Chatzi, SPA Bordas
Computational mechanics 62, 835-852, 2018
652018
A unified enrichment approach addressing blending and conditioning issues in enriched finite elements
K Agathos, E Chatzi, SPA Bordas
Computer Methods in Applied Mechanics and Engineering 349, 673-700, 2019
412019
A local basis approximation approach for nonlinear parametric model order reduction
K Vlachas, K Tatsis, K Agathos, AR Brink, E Chatzi
Journal of Sound and Vibration 502, 116055, 2021
372021
Taylor-series expansion based numerical methods: a primer, performance benchmarking and new approaches for problems with non-smooth solutions
T Jacquemin, S Tomar, K Agathos, S Mohseni-Mofidi, SPA Bordas
Archives of Computational Methods in Engineering 27, 1465-1513, 2020
272020
A hierarchical output-only Bayesian approach for online vibration-based crack detection using parametric reduced-order models
KE Tatsis, K Agathos, EN Chatzi, VK Dertimanis
Mechanical Systems and Signal Processing 167, 108558, 2022
252022
Parametric reduced order models for output-only vibration-based crack detection in shell structures
K Agathos, KE Tatsis, K Vlachas, E Chatzi
Mechanical Systems and Signal Processing 162, 108051, 2022
202022
Parametrized reduced order modeling for cracked solids
K Agathos, SPA Bordas, E Chatzi
International Journal for Numerical Methods in Engineering 121 (20), 4537-4565, 2020
202020
Crack detection in Mindlin-Reissner plates under dynamic loads based on fusion of data and models
K Agathos, K Tatsis, S Nicoli, SPA Bordas, E Chatzi
Computers & Structures 246, 106475, 2021
172021
Well conditioned extended finite elements and vector level sets for three-dimensional crack propagation
K Agathos, G Ventura, E Chatzi, SPA Bordas
Geometrically Unfitted Finite Element Methods and Applications: Proceedings …, 2017
172017
Moment fitted cut spectral elements for explicit analysis of guided wave propagation
S Nicoli, K Agathos, E Chatzi
Computer Methods in Applied Mechanics and Engineering 398, 115140, 2022
152022
A physics-based, local POD basis approach for multi-parametric reduced order models
K Vlachas, K Tatsis, K Agathos, AR Brink, E Chatzi
International Conference on Noise and Vibration Engineering (ISMA 2020) in …, 2020
72020
On the coupling of reduced order modeling with substructuring of structural systems with component nonlinearities
K Vlachas, K Tatsis, K Agathos, AR Brink, D Quinn, E Chatzi
Dynamic Substructures, Volume 4: Proceedings of the 39th IMAC, A Conference …, 2022
52022
Parametric model order reduction for localized nonlinear feature inclusion
K Vlachas, K Tatsis, K Agathos, AR Brink, D Quinn, E Chatzi
Advances in Nonlinear Dynamics: Proceedings of the Second International …, 2021
52021
An adapted deflated conjugate gradient solver for robust extended/generalised finite element solutions of large scale, 3D crack propagation problems
K Agathos, T Dodwell, E Chatzi, SPA Bordas
Computer Methods in Applied Mechanics and Engineering 395, 114937, 2022
42022
Effects of two testing protocols on the material model parameter identification for rubber-like materials
S Reyes, M Vassiliou, K Agathos, D Konstantinidis
Proceedings of the Third European Conference on Earthquake Engineering and …, 2022
42022
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Articles 1–20