[HTML][HTML] A unifying perspective: the relaxed linear micromorphic continuum
We formulate a relaxed linear elastic micromorphic continuum model with symmetric Cauchy
force stresses and curvature contribution depending only on the micro-dislocation tensor …
force stresses and curvature contribution depending only on the micro-dislocation tensor …
Size-effects of metamaterial beams subjected to pure bending: on boundary conditions and parameter identification in the relaxed micromorphic model
In this paper we model the size-effects of metamaterial beams under bending with the aid of
the relaxed micromorphic continuum. We analyze first the size-dependent bending stiffness …
the relaxed micromorphic continuum. We analyze first the size-dependent bending stiffness …
Lagrange and based finite element formulations for the relaxed micromorphic model
Modeling the unusual mechanical properties of metamaterials is a challenging topic for the
mechanics community and enriched continuum theories are promising computational tools …
mechanics community and enriched continuum theories are promising computational tools …
[HTML][HTML] A computational approach to identify the material parameters of the relaxed micromorphic model
M Sarhil, L Scheunemann, P Lewintan… - Computer Methods in …, 2024 - Elsevier
We determine the material parameters in the relaxed micromorphic generalized continuum
model for a given periodic microstructure in this work. This is achieved through a least …
model for a given periodic microstructure in this work. This is achieved through a least …
A better understanding of the mechanics of borehole breakout utilizing a finite strain gradient-enhanced micropolar continuum model
Borehole breakout denotes the failure in rock mass subjected to drilling, caused by stress
concentrations exceeding the material strength. Depending on the material properties, the …
concentrations exceeding the material strength. Depending on the material properties, the …
The relaxed linear micromorphic continuum: existence, uniqueness and continuous dependence in dynamics
We study well-posedness for the relaxed linear elastic micromorphic continuum model with
symmetric Cauchy force-stresses and curvature contribution depending only on the micro …
symmetric Cauchy force-stresses and curvature contribution depending only on the micro …
[HTML][HTML] Thin shells reinforced by fibers with intrinsic flexural and torsional elasticity
A two-dimensional thin shell model, derived from a three-dimensional Cosserat elasticity
theory for fiber-reinforced solids, is presented. Models for single laminae and two-ply …
theory for fiber-reinforced solids, is presented. Models for single laminae and two-ply …
A unified finite strain gradient-enhanced micropolar continuum approach for modeling quasi-brittle failure of cohesive-frictional materials
In this work, a novel framework for modeling quasi-brittle crack propagation and shear band
dominated failure of cohesive-frictional materials like concrete, mortar, rock, tough ceramics …
dominated failure of cohesive-frictional materials like concrete, mortar, rock, tough ceramics …
The relaxed linear micromorphic continuum: well-posedness of the static problem and relations to the gauge theory of dislocations
We consider the equilibrium problem in the relaxed linear model of micromorphic elastic
materials. The basic kinematical fields of this extended continuum model are the …
materials. The basic kinematical fields of this extended continuum model are the …
[HTML][HTML] On some fundamental misunderstandings in the indeterminate couple stress model. A comment on recent papers of AR Hadjesfandiari and GF Dargush
In a series of papers which are either published [Hadjesfandiari, A., Dargush, GF, 2011a.
Couple stress theory for solids. Int. J. Solids Struct. 48 (18), 2496–2510; Hadjesfandiari, A …
Couple stress theory for solids. Int. J. Solids Struct. 48 (18), 2496–2510; Hadjesfandiari, A …