3 papers
cs.CE2026
Lattice Discrete Particle Model (LDPM): Comparison of Various Time Integration Solvers and Implementations
Erol Lale, Jan Eliáš, Ke Yu +17
This article presents a comparison of various implementations of the Lattice Discrete Particle Model (LDPM) for the numerical simulation of concrete and other heterogeneous quasibr…
physics.class-ph2025
Do Discrete Fine-Scale Mechanical Models with Rotational Degrees of Freedom Homogenize Into a Cosserat or a Cauchy Continuum?
Jan Eliáš, Gianluca Cusatis
This article answers the question of whether homogenization of discrete fine-scale mechanical models, such as particle or lattice models, gives rise to an equivalent continuum that…
cs.CE2024
Macroscopic stress, couple stress and flux tensors derived through energetic equivalence from microscopic continuous and discrete heterogeneous finite representative volumes
Jan Eliáš, Gianluca Cusatis
This paper presents a rigorous derivation of equations to evaluate the macroscopic stress tensor, the couple stress tensor, and the flux vector equivalent to underlying microscopic…