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Shape Memory Alloy Engineering by Antonio Concilio, Leonardo Lecce

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6.2. List of Symbols

Fe
   Deformation gradient elastic part
Ft
   Deformation gradient transformation part
F
   Deformation gradient
Ω
   Reference body domain
T
   Absolute temperature
E
   Green–Lagrange strain tensor
Ee
   Green–Lagrange strain tensor elastic part
Et
   Green–Lagrange strain tensor transformation part
I
   Second-order identity tensor
Ψe
   Helmholtz elastic free energy density
Ψt
   Helmholtz transformation free energy density
Ψ
   Helmholtz free energy density
I1
   First invariant of elastic Green–Lagrange strain tensor
I2
   Second invariant of elastic Green–Lagrange strain tensor
λ,μ
   Lamé constants
β
   SMA material parameter relating critical stress to temperature
h
   SMA material parameter describing uniaxial stress-tr. strain curve slope
εL
   SMA ...

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