Search results for "Principle"

showing 10 items of 1023 documents

Fractional viscoelastic behaviour under stochastic temperature process

2018

Abstract This paper deals with the mechanical behaviour of a linear viscoelastic material modelled by a fractional Maxwell model and subject to a Gaussian stochastic temperature process. Two methods are introduced to evaluate the response in terms of strain of a material under a deterministic stress and subjected to a varying temperature. In the first approach the response is determined making the material parameters change at each time step, due to the temperature variation. The second method, takes advantage of the Time–Temperature Superposition Principle to lighten the calculations. In this regard, a stochastic characterisation for the Time–Temperature Superposition Principle method is p…

Time-Temperature Superposition PrincipleGaussianAerospace EngineeringOcean Engineering02 engineering and technologyCondensed Matter PhysicFractional calculu01 natural sciencesViscoelasticity010305 fluids & plasmasStress (mechanics)symbols.namesakeSuperposition principle0203 mechanical engineering0103 physical sciencesGaussian stochastic proceMathematicsCivil and Structural EngineeringMechanical EngineeringMathematical analysisSpectral densityStatistical and Nonlinear PhysicsCondensed Matter PhysicsFractional calculusLinear viscoelasticity020303 mechanical engineering & transportsCreepTime–temperature superpositionNuclear Energy and EngineeringsymbolsStatistical and Nonlinear Physic
researchProduct

On the vibrations of a mechanically based non-local beam model

2012

The vibration problem of a Timoshenko non-local beam is addressed. The beam model involves assuming that the equilibrium of each volume element is attained due to contact forces and long-range body forces exerted, respectively, by adjacent and non-adjacent volume elements. The contact forces result in the classical Cauchy stress tensor while the long-range forces are taken as depending on the product of the interacting volume elements and on their relative displacement through a material-dependent distance-decaying function. To derive the motion equations and the related mechanical boundary conditions, the Hamilton's principle is applied The vibration problem of a Timoshenko non-local beam …

Timoshenko beam theoryBody forceNon-local elasticityGeneral Computer ScienceGeneral Physics and AstronomyContact forceLong-range interactionsymbols.namesakeFree vibrations; Hamilton's principle; Long-range interactions; Non-local elasticity; Timoshenko beam theoryGeneral Materials ScienceHamilton's principleVolume elementPhysicsCauchy stress tensorEquations of motionFree vibrationGeneral ChemistryMechanicsComputational MathematicsTimoshenko beam theoryClassical mechanicsHamilton's principleMechanics of MaterialssymbolsSettore ICAR/08 - Scienza Delle CostruzioniBeam (structure)Computational Materials Science
researchProduct

La problematica distinzione fra diritti e principi nella Carta dei diritti fondamentali dell'Unione europea

2020

In questo studio si prospetta una ricostruzione della distinzione fra fra diritti e principi definita nella Carta dei diritti fondamentali dell'Unione europea e si riflette sull'interpretazione che ne è stata data alla luce delle tradizioni costituzionali italiana e spagnola. This essay aims at giving some insights on the dinstinction between "rights" and "principles" within the EU Charter of Fundamental Rights. The Author analyzes also the judicial interpretation of this distinction contextualizing it within the Italian and Spanish Constitutional Tradition.

Tradizioni costituzionaliConstitutional TraditionSettore IUS/09 - Istituzioni Di Diritto PubblicoSettore IUS/14 - Diritto Dell'Unione EuropeaSettore IUS/08 - Diritto CostituzionaleRights and PrincipleDiritti e principiConstitutional adjudicationGiurisprudenza costituzionaleCarta dei diritti fondamentali dell'Unione europeaSettore IUS/21 - Diritto Pubblico ComparatoEU Charter of Fundamental Right
researchProduct

Nullità del pignoramento di una quota del diritto del debitore e limiti del principio di autosufficienza della nota di trascrizione

2017

L'articolo si occupa, attraverso un'analisi di una pronuncia della Corte di Cassazione, del principio di autosufficienza della nota di trascrizione. Secondo tale pronuncia, in particolare, deve aversi riguardo esclusivamente al contenuto della nota per stabilire se e in quali limiti un determinato atto sia opponibile a terzi e ciò non comporta la autonomia della nota di trascrizione rispetto al titolo The article deals, through an analysis of a ruling by the Court of Cassation, with the principle of self-sufficiency of the transcription note. According to this ruling, in particular, only the content of the note must be considered in order to establish whether and to what extent a given act …

Transcription note transcription note autonomy principle Court of CassationNota di trascrizione principio autonomia nota di trascrizione Corte di CassazioneSettore IUS/15 - Diritto Processuale Civile
researchProduct

Translating with the Internet, Translating with Speechy Project

2011

The Speechy Project (SP henceforth) arose in the last autumn of 2009 with the aim of helping advanced students of English to make the most of the Internet. Since then, this website has been sieving the net in order to pick out the best online resources and classify them orderly into field-related lists. On this trend, several sieves have been performed onto different fields of the English Language. The one which this article is concerned with corresponds to the Translation field that is projected in SP as a neat cooperative network teamed up (and managed) by six volunteers.

TranslationInternetEnglishSpeechy Project; English; Translation; Internet cooperative principle; InternetSpeechy ProjectInternet cooperative principleenglish
researchProduct

Understanding Safety-Related Issues for Pedestrians at Modern Roundabouts

2012

This paper examines the safety-related issues for pedestrians at modern roundabouts. For this purpose findings of research studies documented in the scientific literature and best practices have been examined trying to focus on roundabout installations by a pedestrians safety perspective. Whereas one of the main reasons for which roundabouts are built is related to safety benefits, roundabout design features and implications in road casualties have been commented first to evaluate the influence of roundabouts on pedestrian safety and then to identify design elements that have such a high potential for traffic safety. At last, measures and treatments that can be taken in the roundabouts desi…

Transport engineeringRenewable Energy Sustainability and the EnvironmentComputer scienceBest practiceGeography Planning and DevelopmentRoundaboutResearch studiesDesign elements and principlesScientific literaturePedestrianDevelopmentGeneral Environmental ScienceJournal of Sustainable Development
researchProduct

Singular Neumann (p, q)-equations

2019

We consider a nonlinear parametric Neumann problem driven by the sum of a p-Laplacian and of a q-Laplacian and exhibiting in the reaction the competing effects of a singular term and of a resonant term. Using variational methods together with suitable truncation and comparison techniques, we show that for small values of the parameter the problem has at least two positive smooth solutions.

TruncationGeneral MathematicsResonant nonlinearity0211 other engineering and technologies02 engineering and technology01 natural sciencesPotential theoryTruncation and comparisonTheoretical Computer ScienceSettore MAT/05 - Analisi MatematicaNeumann boundary conditionApplied mathematics0101 mathematics(p q)-equationNonlinear regularityMathematicsParametric statistics021103 operations research010102 general mathematicsSingular termSingular termMathematics::Spectral TheoryOperator theoryTerm (time)Nonlinear systemNonlinear strong maximum principleAnalysisPositivity
researchProduct

Multiple solutions for (p,2)-equations at resonance

2019

We consider a nonlinear nonhomogeneous Dirichlet problem driven by the sum of a p-Laplacian and a Laplacian and a reaction term which is (p− 1)-linear near ±∞ and resonant with respect to any nonprincipal variational eigenvalue of (−∆p, W01,p(Ω)). Using variational tools together with truncation and comparison techniques and Morse Theory (critical groups), we establish the existence of six nontrivial smooth solutions. For five of them we provide sign information and order them.

TruncationSettore MAT/05 - Analisi MatematicaComparison techniqueNonlinear maximum principleNodal solutionResonanceCritical groupConstant signNonlinear regularity
researchProduct

Kultura i więzi społeczne. Przypadek Tunezji

2020

Artykuł ukazuje przemiany więzi społecznej wtrzech wymiarach: pokrewieństwa, więzi wynikającej zwyboru uczestnictwa iwięzi uczestnictwa organicznego. Te trzy wyróżnienia więzi zostały przedstawione wkontekście solidarności idaru oraz dokonujących się transformacji. Więzi pokrewieństwa akcentują pochodzenie, więzi wynikające zwyboru uczestnictwa oznaczają kontakty jednostek zinnymi osobami, również grupami iinstytucjami od których nabywa wiedzę, awięź uczestnictwa organicznego charak-teryzuje się uczeniem iwykonywaniem określonej funkcji worganizacji pracy. Dokonujące się przemiany nie wyrugowały zasady wzajemnej pomocy rodzinnej isolidarności między generacjami, przybierając różne formy wza…

Tunisiareciprocity principlesocializationsocial bondsolidarityculture
researchProduct

2013

Propositional content is often incomplete but comprehenders appear to adjust meaning and add unarticulated meaning constituents effortlessly. This happens at the propositional level (The baby drank the bottle) but also at the phrasal level (the wooden turtle). In two ERP experiments, combinatorial processing was investigated in container/content alternations and adjective-noun combination transforming an animate entity into a physical object. Experiment 1 revealed that container-for-content alternations (The baby drank the bottle) engendered a Late Positivity on the critical expression and on the subsequent segment, while content-for-container alternations (Chris put the beer on the table) …

TypologyMetonymyOriginal meaningDissociation (neuropsychology)Principle of compositionalityNounPsychologyLexiconExperimental PragmaticsGeneral PsychologyLinguisticsFrontiers in Psychology
researchProduct