Results 21 to 30 of about 4,216,905 (267)

Nonlocal theory of curved rods. 2-D, high order, Timoshenko’s and Euler-Bernoulli models

open access: yesCurved and Layered Structures, 2017
New models for plane curved rods based on linear nonlocal theory of elasticity have been developed. The 2-D theory is developed from general 2-D equations of linear nonlocal elasticity using a special curvilinear system of coordinates related to the ...
Zozulya V.V.
doaj   +1 more source

The resultant linear six‐field theory of elastic shells: What it brings to the classical linear shell models? [PDF]

open access: yesZAMM - Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik, 2015
Basic relations of the resultant linear six‐field theory of shells are established by consistent linearization of the resultant 2D non‐linear theory of shells. As compared with the classical linear shell models of Kirchhoff‐Love and Timoshenko‐Reissner type, the six‐field linear shell model contains the drilling rotation as an independent kinematic ...
openaire   +2 more sources

Fractional continua for linear elasticity

open access: yesArchives of Mechanics, 2014
Fractional continua is a generalisation of the classical continuum body. This new concept shows the application of fractional calculus in continuum mechanics. The advantage is that the obtained description is non-local.
W. Sumelka, T. Blaszczyk
doaj   +1 more source

AN ECONOMETRIC ANALYSIS OF FARM PRODUCTION . FUNCTIONS FOR THE MOST IMPORTANT CEREAL CROPS IN DAKAHLIA GOVERNORATE [PDF]

open access: yesJournal of Agricultural Economics and Social Sciences, 2006
Cereal crops are considered to be of important crops in Egypt. Therefore, the study is to estimate farm production functions for cereal crops in Dakahlia Govemorate.
W. El-Batawi   +3 more
doaj   +1 more source

Solution of the Thermoelastic Problem for a Two-Dimensional Curved Beam with Bimodular Effects

open access: yesMathematics, 2022
In classical thermoelasticity, the bimodular effect of materials is rarely considered. However, all materials will present, in essence, different properties in tension and compression, more or less.
Xiao-Ting He   +3 more
doaj   +1 more source

A note on the uniqueness of 2D elastostatic problems formulated by different types of potential functions

open access: yesOpen Physics, 2018
New additional conditions required for the uniqueness of the 2D elastostatic problems formulated in terms of potential functions for the derived Papkovich-Neuber representations, are studied.
Guerrero José Luis Morales   +3 more
doaj   +1 more source

Micropolar curved rods. 2-D, high order, Timoshenko’s and Euler-Bernoulli models

open access: yesCurved and Layered Structures, 2017
New models for micropolar plane curved rods have been developed. 2-D theory is developed from general 2-D equations of linear micropolar elasticity using a special curvilinear system of coordinates related to the middle line of the rod and special ...
Zozulya V.V.
doaj   +1 more source

On the decay of exponential type for the solutions in a dipolar elastic body

open access: yesJournal of Taibah University for Science, 2020
Our study is concerned with a generalization of the principle of Saint-Venant in the context of the theory of elastic bodies with a dipolar structure.
Marin Marin   +3 more
doaj   +1 more source

The problem of dynamic cavitation in nonlinear elasticity [PDF]

open access: yes, 2012
The notion of singular limiting induced from continuum solutions (slic-solutions) is applied to the problem of cavitation in nonlinear elasticity, in order to re-assess an example of non-uniqueness of entropic weak solutions (with polyconvex energy)
Miroshnikov, Alexey   +5 more
core   +2 more sources

Explicit Solutions of the Boundary Value Problems for an Ellipse with Double Porosity

open access: yesAdvances in Mathematical Physics, 2016
The basic two-dimensional boundary value problems of the fully coupled linear equilibrium theory of elasticity for solids with double porosity structure are reduced to the solvability of two types of a problem. The first one is the BVPs for the equations
Lamara Bitsadze, Natela Zirakashvili
doaj   +1 more source

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