498 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- European Organization for Nuclear ResearchCH625 papers
- Northern Illinois UniversityUS620 papers
- University of OklahomaUS619 papers
- Ludwig-Maximilians-Universität MünchenDE618 papers
- Max Planck Institute for PhysicsDE618 papers
- The University of AdelaideAU618 papers
- University of Rome Tor VergataIT618 papers
- Technion – Israel Institute of TechnologyIL617 papers
- Tel Aviv UniversityIL617 papers
- Université Paris-SaclayFR617 papers
- University of BonnDE617 papers
- University of California, Santa CruzUS617 papers
34 papers · 1 filter
On the thermomechanical consistency of the time differential dual-phase-lag models of heat conduction
Stan Chirita, Michele Ciarletta, Vincenzo Tibullo
This paper deals with the time differential dual-phase-lag heat transfer models aiming, at first, to identify the eventually restrictions that make them thermodynamically consisten…
A panorama of dispersion curves for the weighted isotropic relaxed micromorphic model
Marco Valerio d'Agostino, Gabriele Barbagallo, Ionel-Dumitrel Ghiba +2
We consider the weighted isotropic relaxed micromorphic model and provide an in depth investigation of the characteristic dispersion curves when the constitutive parameters of the…
Real wave propagation in the isotropic relaxed micromorphic model
Patrizio Neff, Angela Madeo, Gabriele Barbagallo +3
For the recently introduced isotropic relaxed micromorphic generalized continuum model, we show that under the assumption of positive definite energy, planar harmonic waves have re…
Reflection and transmission of elastic waves at interfaces embedded in non-local band-gap metamaterials: a comprehensive study via the relaxed micromorphic model
Angela Madeo, Patrizio Neff, Ionel-Dumitrel Ghiba +1
In this paper we derive, by means of a suitable least action principle, the duality jump conditions to be imposed at surfaces of discontinuity of the material properties in non-dis…
A new view on boundary conditions in the Grioli-Koiter-Mindlin-Toupin indeterminate couple stress model
Angela Madeo, Ionel-Dumitrel Ghiba, Patrizio Neff +1
In this paper we consider the Grioli-Koiter-Mindlin-Toupin linear isotropic indeterminate couple stress model. Our main aim is to show that, up to now, the boundary conditions have…
Dynamical investigation of minor resonances for space debris
Alessandra Celletti, Catalin Gales
We study the dynamics of the space debris in regions corresponding to minor resonances; precisely, we consider the resonances 3:1, 3:2, 4:1, 4:3, 5:1, 5:2, 5:3, 5:4, where a j:l re…
On some fundamental misunderstandings in the indeterminate couple stress model. A comment on recent papers of A.R. Hadjesfandiari and G.F. Dargush
Patrizio Neff, Ingo Münch, Ionel-Dumitrel Ghiba +1
In a series of papers which are either published [A.R. Hadjesfandiari and G.F. Dargush, Couple stress theory for solids, Int. J. Solids Struct. 48, 2496-2510, 2011; A.R. Hadjesfand…
Nonholonomic Jet Deformations and Exact Solutions for Modified Ricci Soliton and Einstein Equations
Subhash Rajpoot, Sergiu I. Vacaru
Let be a pseudo--Riemanian metric of arbitrary signature on a manifold with conventional dimensional splitting, determined by a nonholo…
The exponentiated Hencky-logarithmic strain energy. Part III: Coupling with idealized isotropic finite strain plasticity
Patrizio Neff, Ionel-Dumitrel Ghiba
We investigate an immediate application in finite strain multiplicative plasticity of the family of isotropic volumetric-isochoric decoupled strain energies \begin{align*} F\mapsto…
Symmetries in Lagrangian Field Theory
Lucía Búa, Ioan Bucataru, Manuel de León +2
By generalizing the cosymplectic setting for time-dependent Lagrangian mechanics, we propose a geometric framework for the Lagrangian formulation of classical field theories with a…
Effective Einstein Cosmological Spaces for Non-Minimal Modified Gravity
Emilio Elizalde, Sergiu I. Vacaru
Certain off-diagonal vacuum and nonvacuum configurations in Einstein gravity can mimic physical effects of modified gravitational theories of type. We prove…
Spinor and Twistor Geometry in Einstein Gravity and Finsler Modifications
Sergiu I. Vacaru
We present a generalization of the spinor and twistor geometry for on (pseudo) Riemannian manifolds enabled with nonholonomic distributions or for Finsler-Cartan spaces modelled on…
Nonholonomic Clifford and Finsler Structures, Non-Commutative Ricci Flows, and Mathematical Relativity
Sergiu I. Vacaru
In this summary of Habilitation Thesis, it is outlined author's 18 years research activity on mathematical physics, geometric methods in particle physics and gravity, modifications…
Symmetries, Newtonoids vector fields and conservation laws in the Lagrangian -symplectic formalism
Lucía Bua, Ioan Bucataru, Modesto Salgado
In this paper we study symmetries, Newtonoid vector fields, conservation laws, Noether's Theorem and its converse, in the framework of the -symplectic formalism, using the Fröli…
Dynamical Equations and Lagrange--Ricci Flow Evolution on Prolongation Lie Algebroids
Laurenţiu Bubuianu, Sergiu I. Vacaru
The approach to nonholonomic Ricci flows and geometric evolution of regular Lagrange systems [S. Vacaru: J. Math. Phys. \textbf{49} (2008) 043504 \& Rep. Math. Phys. \textbf{63} (2…
Hidden Symmetries for Ellipsoid-Solitonic Deformations of Kerr-Sen Black Holes and Quantum Anomalies
Sergiu I. Vacaru
We prove the existence of hidden symmetries in the general relativity theory defined by exact solutions with generic off-diagonal metrics, nonholonomic (non-integrable) constraints…
Modified Dispersion Relations in Horava-Lifshitz Gravity and Finsler Brane Models
Sergiu I. Vacaru
We study possible links between quantum gravity phenomenology encoding Lorentz violations as nonlinear dispersions, the Einstein-Finsler gravity models, EFG, and nonholonomic (non-…
Fractional Analogous Models in Mechanics and Gravity Theories
Dumitru Baleanu, Sergiu I. Vacaru
We briefly review our recent results on the geometry of nonholonomic manifolds and Lagrange--Finsler spaces and fractional calculus with Caputo derivatives. Such constructions are…
Fractional Exact Solutions and Solitons in Gravity
Dumitru Baleanu, Sergiu I. Vacaru
We survay our recent results on fractional gravity theory. It is also provided the Main Theorem on encoding of geometric data (metrics and connections in gravity and geometric mech…
Fedosov Quantization of Fractional Lagrange Spaces
Dumitru Baleanu, Sergiu I. Vacaru
The main goal of this work is to perform a nonolonomic deformation (Fedosov type) quantization of fractional Lagrange geometries. The constructions are provided for a (fractional)…
Fractional Curve Flows and Solitonic Hierarchies in Gravity and Geometric Mechanics
Dumitru Baleanu, Sergiu I. Vacaru
Methods from the geometry of nonholonomic manifolds and Lagrange-Finsler spaces are applied in fractional calculus with Caputo derivatives and for elaborating models of fractional…
Constant Curvature Coefficients and Exact Solutions in Fractional Gravity and Geometric Mechanics
Dumitru Baleanu, Sergiu I. Vacaru
We study fractional configurations in gravity theories and Lagrange mechanics. The approach is based on Caputo fractional derivative which gives zero for actions on constants. We e…
Fractional Almost Kahler - Lagrange Geometry
Dumitru Baleanu, Sergiu I. Vacaru
The goal of this paper is to encode equivalently the fractional Lagrange dynamics as a nonholonomic almost Kahler geometry. We use the fractional Caputo derivative generalized for…
The Algebraic Index Theorem and Fedosov Quantization of Lagrange-Finsler and Einstein Spaces
Sergiu I. Vacaru
Various types of Lagrange and Finsler geometries and the Einstein gravity theory, and modifications, can be modelled by nonholonomic distributions on tangent bundles/ manifolds whe…