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Konstantinos Karapiperis

EPFL ENAC IIC LMD
GC B2 504 (Bâtiment GC)
Station 18
1015 Lausanne

EPFL ENAC IIC LMD
GC B2 504 (Bâtiment GC)
Station 18
1015 Lausanne

2025

Journal Articles

Topology-informed design of intertwined architected materials: Unifying woven, knotted, and closed-chain networks

E. PescialliA. M. LopezK. KarapiperisD. M. Kochmann

Materials & Design. 2025. DOI : 10.1016/j.matdes.2025.114974.

t-PiNet: A thermodynamics-informed hierarchical learning for discovering constitutive relations of geomaterials

P. ZhangK. KarapiperisO. Weeger

Journal of the Mechanics and Physics of Solids. 2025. DOI : 10.1016/j.jmps.2025.106049.

Deciphering necking in granular materials: Micromechanical insights into sand behavior during cycles of triaxial compression and extension

J. CuiK. KarapiperisØ. TorgersrudE. AndòG. Viggiani  et al.

Journal of the Mechanics and Physics of Solids. 2025. DOI : 10.1016/j.jmps.2024.106022.

Enhanced Deformability Through Distributed Buckling in Stiff Quasicrystalline Architected Materials

M. I. RosaK. KarapiperisK. RadiE. PescialliD. M. Kochmann

Advanced materials (Deerfield Beach, Fla.). 2025. DOI : 10.1002/adma.202505125.

Conference Papers

AI-Accelerated Multiscale Modeling

H. Le ClézioK. KarapiperisY. HollenwegerB. LiuL. Zheng  et al.

2025. XVIII International Conference on Computational Plasticity (COMPLAS 2025), Barcelona, Spain, 2025-09-02 - 2025-09-05.

Sand Behavior upon Alternating Triaxial Compression and Extension: A Multiscale Analysis Using LS-DEM

J. CuiK. KarapiperisN. TorgersrudE. AndòG. Viggiani  et al.

2025. 5th International Symposium on Geomechanics from Micro to Macro, Grenoble, France, 2024-09-23 - 2024-09-27. DOI : 10.1088/1755-1315/1480/1/012028.

2024

Journal Articles

Nonlinear two-scale beam simulations accelerated by thermodynamics-informed neural networks

H. Le ClézioK. KarapiperisD. M. Kochmann

Extreme Mechanics Letters. 2024. DOI : 10.1016/j.eml.2024.102260.

A conforming frictional beam contact model

K. KarapiperisA. WidmerE. PescialliD. M. Kochmann

Computer Methods in Applied Mechanics and Engineering. 2024. DOI : 10.1016/j.cma.2024.117310.

Failure of topologically interlocked structures — a Level-Set-DEM approach

S. FeldfogelK. KarapiperisJ. AndradeD. S. Kammer

European Journal of Mechanics, A/Solids. 2024. DOI : 10.1016/j.euromechsol.2023.105156.

Book Chapters

Data-Driven Modeling in Geomechanics

K. Karapiperis

Machine Learning in Geomechanics 2: Data-Driven Modeling, Bayesian Inference, Physics- and Thermodynamics-based Artificial Neural Networks and Reinforcement Learning; Wiley, 2024. p. 1 - 23.

Working Papers

A discretization-convergent Level-Set-DEM

S. FeldfogelK. KarapiperisJ. AndradeD. S. Kammer

2024

Stiff and Deformable Quasicrystalline Architected Materials

M. I. N. RosaK. KarapiperisK. RadiD. M. Kochmann

2024

2023

Journal Articles

Unifying the design space and optimizing linear and nonlinear truss metamaterials by generative modeling

L. ZhengK. KarapiperisS. KumarD. M. Kochmann

Nature communications. 2023. DOI : 10.1038/s41467-023-42068-x.

Prediction and control of fracture paths in disordered architected materials using graph neural networks

K. KarapiperisD. M. Kochmann

Communications Engineering. 2023. DOI : 10.1038/s44172-023-00085-0.

A discretization‐convergent level‐set‐discrete‐element‐method using a continuum‐based contact formulation

S. FeldfogelK. KarapiperisJ. E. AndradeD. S. Kammer

International Journal for Numerical Methods in Engineering. 2023. DOI : 10.1002/nme.7400.

A Variational Beam Model for Failure of Cellular and Truss‐Based Architected Materials

K. KarapiperisK. RadiZ. WangD. M. Kochmann

Advanced Engineering Materials. 2023. DOI : 10.1002/adem.202300947.

Data-driven breakage mechanics: Predicting the evolution of particle-size distribution in granular media

J. UlloaA. GorgogianniK. KarapiperisM. OrtizJ. Andrade

Journal of the Mechanics and Physics of Solids. 2023. DOI : 10.1016/j.jmps.2023.105328.

Scaling, saturation, and upper bounds in the failure of topologically interlocked structures

S. FeldfogelK. KarapiperisJ. AndradeD. S. Kammer

International Journal of Solids and Structures. 2023. DOI : 10.1016/j.ijsolstr.2023.112228.

Adaptive goal-oriented data sampling in Data-Driven Computational Mechanics

A. GorgogianniK. KarapiperisL. StainierM. OrtizJ. E. Andrade

Computer Methods in Applied Mechanics and Engineering. 2023. DOI : 10.1016/j.cma.2023.115949.

2022

Journal Articles

What is shape? Characterizing particle morphology with genetic algorithms and deep generative models

R. B. de MacedoS. MonfaredK. KarapiperisJ. E. Andrade

Granular Matter. 2022. DOI : 10.1007/s10035-022-01282-y.

Stress transmission in entangled granular structures

K. KarapiperisS. MonfaredR. B. d. MacedoS. RichardsonJ. E. Andrade

Granular Matter. 2022. DOI : 10.1007/s10035-022-01252-4.

2021

Journal Articles

Data-Driven nonlocal mechanics: Discovering the internal length scales of materials

K. KarapiperisM. OrtizJ. E. Andrade

Computer Methods in Applied Mechanics and Engineering. 2021. DOI : 10.1016/j.cma.2021.114039.

Emerging contact force heterogeneity in ordered soft granular media

L. LiK. KarapiperisJ. E. Andrade

Mechanics of Materials. 2021. DOI : 10.1016/j.mechmat.2021.104055.

Data-driven multiscale modeling in mechanics

K. KarapiperisL. StainierM. OrtizJ. E. Andrade

Journal of the Mechanics and Physics of Solids. 2021. DOI : https://doi.org/10.1016/j.jmps.2020.104239.

Modeling connected granular media: Particle bonding within the level set discrete element method

J. M. HarmonK. KarapiperisL. LiS. MorelandJ. E. Andrade

Computer Methods in Applied Mechanics and Engineering. 2021. DOI : 10.1016/j.cma.2020.113486.

Nonlocality in granular complex networks: Linking topology, kinematics and forces

K. KarapiperisJ. E. Andrade

Extreme Mechanics Letters. 2021. DOI : 10.1016/j.eml.2020.101041.

Conference Papers

Can LS-DEM be Used to Simulate Cyclic Behavior of Sand?

H. P. JostadH. D. KhoaK. KarapiperisJ. Andrade

2021. 16th International Conference of the International Association for Computer Methods and Advances in Geomechanics IACMAG, Torino, Italy, 2022-08-30 - 2022-09-02. p. 228 - 235. DOI : 10.1007/978-3-030-64514-4_17.

2020

Journal Articles

Investigating the incremental behavior of granular materials with the level-set discrete element method

K. KarapiperisJ. HarmonE. AndòG. ViggianiJ. E. Andrade

Journal of the Mechanics and Physics of Solids. 2020. DOI : 10.1016/j.jmps.2020.104103.

Mechanical behaviour of granular media in flexible boundary plane strain conditions: experiment and level-set discrete element modelling

D. BhattacharyaR. KawamotoK. KarapiperisJ. E. AndradeA. Prashant

Acta Geotechnica. 2020. DOI : 10.1007/s11440-020-00996-8.

Reduced Gravity Effects on the Strength of Granular Matter: DEM Simulations versus Experiments

K. KarapiperisJ. P. MarshallJ. E. Andrade

Journal of Geotechnical and Geoenvironmental Engineering. 2020. DOI : 10.1061/(ASCE)GT.1943-5606.0002232.

Theses

Multiscale, Data-Driven and Nonlocal Modeling of Granular Materials

K. Karapiperis

Pasadena, California, California Institute of Technology, 2020. DOI : doi.org/10.7907/7rtg-x780.

2016

Journal Articles

Fokker-Planck linearization for non-Gaussian stochastic elastoplastic finite elements

K. KarapiperisK. SettM. Levent KavvasB. Jeremić

Computer Methods in Applied Mechanics and Engineering. 2016. DOI : 10.1016/j.cma.2016.05.001.

2015

Journal Articles

Generalized failure envelope for caisson foundations in cohesive soil: Static and dynamic loading

N. GerolymosA. ZafeirakosK. Karapiperis

Soil Dynamics and Earthquake Engineering. 2015. DOI : 10.1016/j.soildyn.2015.07.012.

Conference Papers

An efficient meshless solution for the fokker-planck-kolmogorov equations of probabilistic elastoplasticity

K. KarapiperisK. SettB. Jeremíc

2015. 1st ECCOMAS 2015 Thematic Conference on Uncertainty Quantification in Computational Sciences and Engineering, Hersonissos, Crete, United Kingdom, 2015-05-25 - 2015-05-27. p. 273 - 285. DOI : 10.7712/120215.4270.801.

Student Projects

Intrusive Stochastic Inelasticity

K. Karapiperis

2015

2014

Journal Articles

Combined loading of caisson foundations in cohesive soil: Finite element versus Winkler modeling

K. KarapiperisN. Gerolymos

Computers and Geotechnics. 2014. DOI : 10.1016/j.compgeo.2013.11.006.

Enseignement et PhD

Current Phd

Hrishikesh Gopakumar Menon, Thomas Henzel

Courses

Multiscale modelling in mechanics

CIVIL-408

Ce cours présente les principes et techniques de modélisation des matériaux à différentes échelles spatiales, depuis le niveau des atomes ou des grains jusqu'à l'échelle continue ou structurelle. L'accent est mis sur la mise à l'échelle hiérarchique (homogénéisation), tandis que les techniques concu

Soil mechanics and flow through porous media

CIVIL-203

Le cours présente les principes fondamentaux de la mécanique des sols et des milieux poreux infiltrés par des liquides. La première partie est consacrée au comportement constitutif des sols dans des conditions sèches, tandis que la deuxième partie explique la présence d'eau interstitielle.