GN

Grigor Nika

21
Documents
Identifiants chercheurs

Présentation

Grigor Nika
Karlstad University
Universitetsgatan 2
SE-65188 Karlstad

Intérêt de recherche

  • Modélisation et homogénéisation des effets d'échelle
  • Mécanique des milieux continus généralisés
  • Thermodynamique des milieux continus
  • Optimisation topologique

Publications

Publications

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Simulation of effective scale-size dependent heat conduction in rigid microgeometries

Mario Setta , Eddie Wadbro , Grigor Nika

Computer Methods in Applied Mechanics and Engineering, 2026, 452, pp.118752. ⟨10.1016/j.cma.2026.118752⟩

Article dans une revue hal-05299481v1

When Scale Matters: Size‐Dependent Mechanics of Architected Lattices for Implants and Beyond

H. Veluvali , Sidharth Beniwal , Grigor Nika , Joep Kraeima , Patrick Onck et al.

Small Structures, 2026, 7 (1), ⟨10.1002/sstr.202500434⟩

Article dans une revue hal-05463871v1
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Thermodynamic modeling and derivation of effective properties for heterogeneous dielectrics

Grigor Nika

Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, In press, ⟨10.1098/rspa.2024.1001⟩

Article dans une revue hal-05106225v1
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Entropy correctors in homogenization of microheterogeneous rigid bodies

Grigor Nika

SIAM Journal on Applied Mathematics, 2025, 86 (1), pp.260-278. ⟨10.1137/25M1778420⟩

Article dans une revue hal-05164000v1
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Scale-size dependent multi-continuum homogenization of complex bodies

Grigor Nika

Quarterly of Applied Mathematics, 2024

Article dans une revue hal-04378065v2
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Effective medium theory for second-gradient elasticity with chirality

Grigor Nika , Adrian Muntean

Asymptotic Analysis, 2024, pp.1-27. ⟨10.3233/ASY-241902⟩

Article dans une revue hal-04571844v1
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Hypertemperature effects in heterogeneous media and thermal flux at small-length scales

Grigor Nika , Adrian Muntean

Networks and Heterogeneous Media, 2023, 18 (3), pp.1207-1225. ⟨10.3934/nhm.2023052⟩

Article dans une revue (article de synthèse) hal-04067022v1
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A gradient system for a higher-gradient generalization of Fourier's law of heat conduction

Grigor Nika

Modern Physics Letters B, 2023, ⟨10.1142/S0217984923500112⟩

Article dans une revue hal-03724909v2
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On a hierarchy of effective models for the biomechanics of human compact bone tissue

Grigor Nika

IMA Journal of Applied Mathematics, In press, ⟨10.1093/imamat/hxad011⟩

Article dans une revue hal-03629864v2
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Cosserat continuum modelling of chiral scale-size effects and their influence on effective constitutive laws

Grigor Nika

Forces in Mechanics, 2022

Article dans une revue hal-03755074v2
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Design of thin micro-architectured panels with extension-bending coupling effects using topology optimization

Filippo Agnelli , Grigor Nika , Andrei Constantinescu

Computer Methods in Applied Mechanics and Engineering, 2021, 391, pp.114496. ⟨10.1016/j.cma.2021.114496⟩

Article dans une revue hal-03525449v1
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Derivation of effective models from heterogenous Cosserat media via periodic unfolding

Grigor Nika

Ricerche di matematica, 2021

Article dans une revue hal-03156996v2

Design of multi-layer materials using inverse homogenization and a level set method

Grigor Nika , Andrei Constantinescu

Computer Methods in Applied Mechanics and Engineering, 2019, 346, pp.388-409. ⟨10.1016/j.cma.2018.11.029⟩

Article dans une revue hal-02411495v1
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Design and testing of 3D-printed micro-architectured polymer materials exhibiting a negative Poisson’s ratio

Filippo Agnelli , Andrei Constantinescu , Grigor Nika

Continuum Mechanics and Thermodynamics, 2019, ⟨10.1007/s00161-019-00851-6⟩

Article dans une revue hal-02410356v1