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Notation Conventions
σ è , ε è
Stress intensity and strain intensity
˙
σ ij , ˙
ε ij
Stress and strain speed components
T σ , T ε
Stress tensor and strain tensor
τ kl
Tangent component of stress vector in axes k, l
τ max
Maximum shear stress
τ s
Yield point in shear
τ
Shear stress
ω 1 (z), ω 2 (z) Functions Galina
Deformations and Movements
Laplacian
l
Absolute linear strain in the l direction
δ ij
Kronecker symbol
dd
Elementary space angle
ε p
Inelastic deformation of prefluidity
Green function (source function)
γ
Angle (deformation) of shift
γ kl
Shear deformation (change of initially right angle) between axes k and l
H
Neumann’s function
l
Distance between points of deformed body
S, Ý
Vector representation of tensors
S νλ
Operator from gliding intensity
T ε y , T ε e
Elastic and plastic strain tensor
1,2 (t)
Slip region boundaries in a flat model
ϕ(z), ψ(z) Muskhelishvili functions for movements
u, v, w
Components of linear movement in three orthogonal directions
ε
Linear relative deformation
ε 0
Hydrostatic (average) deformation
ε l
Linear relative deformation in the direction l
ω l
Angular movement around axis l
Physical and Mechanical Characteristics of Materials
A, W
Work of external (A) and internal (W ) forces
E
Module of elasticity of Jung
E s , E t Secant and tangent module
F
Area of the bar normal section