Results 1 to 10 of about 886,751 (328)

Tensors in Newtonian Physics and the Foundations of Classical Continuum Mechanics

open access: yesMathematical and Computational Applications, 2019
In the Newtonian approach to mechanics, the concepts of objective tensors of various ranks and types are introduced. The tough classification of objective tensors is given, including tensors of material and spatial types. The diagrams are constructed for
George L. Brovko
doaj   +1 more source

Experimental buckling path of compressed bars under displacement control

open access: yesBudownictwo i Architektura, 2014
Buckling and postcritical analysis of prismatic metal bars, including complex cycles of loading are considered in the paper. The postbuckling path analysis of bars loaded in the form of increasing displacements is discussed in detail.
Szymon Imiełowski   +2 more
doaj   +1 more source

Identification and analysis of influence factors on the number of economic crimes

open access: yesУченые записки Российской академии предпринимательства, 2021
The article discusses the impact of various factors on the number of economic crimes. During the analysis, econometric functions and models were used, with the help of which the most significant correlating factors were identified.
S. A. Abdulkhalikov, M. D. Khabibulaeva
doaj   +1 more source

Flexural strength and modulus of autopolimerized poly (methyl methacrylate) with nanosilica [PDF]

open access: yesVojnosanitetski Pregled, 2018
Background/Aim. Autopolymerized, or cold polymerized poly(methyl methacrylate) class of materials have a lower mechanical properties compared to hot polymerized poly(methyl methacrylate), due to a limited time of mixing before the polymerization process ...
Balos Sebastian   +4 more
doaj   +1 more source

A Comparative Analysis of Force Deflection Property of Nickel-Titanium Wires of Four Manufacturers using Five Point Bending Test: An In-Vitro Study [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2021
Introduction: Over the last century, material science has made rapid progress. In orthodontics, not only the materials improved, but also the philosophies have changed. Orthodontic wires, which generate biomechanical forces through brackets for tooth
Georgy John   +2 more
doaj   +1 more source

Numerical study of the Sturm–Liouville problem [PDF]

open access: yesIranian Journal of Numerical Analysis and Optimization
The article discusses the general Sturm–Liouville problem. To solve it numerically, a new algorithm is proposed, which is based on the varia-tional principle and does not use saturation.
S.D. Algazin, A.A. Sinitsyn
doaj   +1 more source

Limit analysis of reinforced concrete cross-sections under cyclic loadings/Ciklinės apkrovos veikiamų gelžbetoninių elementų stiprumo nustatymas

open access: yesJournal of Civil Engineering and Management, 1999
Nagrinėjamas kartotinės mažaciklės apkrovos veikiamų gelžbetoninių konstrukcijių strypinių elementų skerspjūvių laikomosios galios nustatymo uždavinys. Skerspjūvių forma neapibrėžta, gali būti įvairi.
Peter Alyavdin, Valery Simbirkin
doaj   +1 more source

THE INFLUENCE OF OBLIQUE COLLISION OF THE GASKET OF A GAS REGULATOR ON SAFETY SHUTDOWN [PDF]

open access: yesFiabilitate şi Durabilitate, 2012
In this work the author presents a theoretical study on the conduct during the impact of the gasket at the intake of combustible gas, when the regulatory mechanism is controlled by a thermostat.
doaj   +1 more source

Elasticity of the Achilles Tendon in Individuals With and Without Plantar Fasciitis: A Shear Wave Elastography Study

open access: yesFrontiers in Physiology, 2021
The elastic properties of the Achilles tendon (AT) are altered in local injury or other diseases and in response to changes in mechanical load. Recently, elastography has been used to evaluate variations in tendon elastic properties, mainly among healthy
Weiyi Pan   +4 more
doaj   +1 more source

Space-Dependent Symmetries and Fractons

open access: yesFrontiers in Physics, 2022
There has been a surge of interest in effective non-Lorentzian theories of excitations with restricted mobility, known as fractons. Examples include defects in elastic materials, vortex lattices or spin liquids.
Kevin T. Grosvenor   +5 more
doaj   +1 more source

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