Minor and Major Strain: Equations of Equilibrium of a Plane Domain with an Angular Cutout in the Boundary
Abstract
:1. Introduction
- (A)
- Physically and geometrically linear;
- (B)
- Physically linear and geometrically nonlinear;
- (C)
- Physically nonlinear and geometrically linear;
- (D)
- Physically and geometrically nonlinear.
- (1)
- To formulate equilibrium equations for the deformed scheme and obtain equilibrium equations for cases of generalized stress and strain in the plane domain, taking into account geometric nonlinearity and physical linearity;
- (2)
- To formulate equilibrium equations for the deformed scheme in terms of possible relations of orders of linear strain, shear, and angles of rotation, and to analyze the effect of relations of strain orders on the form of equilibrium equations.
2. Materials and Methods
2.1. Problem Statement
2.2. Equilibrium Equations
2.3. Deformation Relations
2.4. Physical Relations
2.5. Relations of Strain Orders
- (1)
- Parameters are linear;
- (2)
- Products of parameters ;
- (3)
- Squared rotation parameter ;
- (4)
- Products of parameters , .
3. Results
4. Discussion
5. Conclusions
Funding
Data Availability Statement
Conflicts of Interest
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Options | Relations between Orders of Strain Parameters |
---|---|
Option I | Case (A). The value of rotation is small and of the same or a higher order of smallness than . |
Case (A1). Temperature-induced strain is of the same order of smallness as or of a higher order of smallness than . | |
Case (A2). The temperature in one domain is constant, and the other domain is stress free. | |
Case (B). Values of strain parameters are small and of the same or a higher order of smallness than rotation squares . | |
Case (B1). Temperature-induced strain has the same order of smallness as . | |
Case (B2). Temperature-induced strain has a higher order of smallness than . | |
Option II | Case (C). Strain is of a higher order of smallness than , rotations are of the same order as deformations . |
Case (C1). Temperature-induced strain has the same order of change as , . |
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Frishter, L. Minor and Major Strain: Equations of Equilibrium of a Plane Domain with an Angular Cutout in the Boundary. Axioms 2023, 12, 893. https://doi.org/10.3390/axioms12090893
Frishter L. Minor and Major Strain: Equations of Equilibrium of a Plane Domain with an Angular Cutout in the Boundary. Axioms. 2023; 12(9):893. https://doi.org/10.3390/axioms12090893
Chicago/Turabian StyleFrishter, Lyudmila. 2023. "Minor and Major Strain: Equations of Equilibrium of a Plane Domain with an Angular Cutout in the Boundary" Axioms 12, no. 9: 893. https://doi.org/10.3390/axioms12090893