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editorial
. 2018 Jun 20;20(6):479. doi: 10.3390/e20060479
Roman Symbols
ARMA Archive for Rational Mechanics and Analysis
D = 12(grad v+ (grad v)T) Stretching tensor
EEI Extended Entropy Inequality
EP Entropy production
f Body force per unit mass
grad T Temperature gradient
p Pressure
q Heat flux vector
r Heat supply rate per unit mass
Re Reynolds number
SL Second Law
s Entropy supply per unit mass
si Supply rate density of the i-th physical balance law
[si=f or si=r for momentum and internal energy]
T Absolute temperature
t Time variable
wst Stress power
Greek Symbols
γ Entropy production per unit mass
ε Internal energy density per unit mass
η Entropy density per unit mass
θ Empirical temperature
Λi Lagrange par. of the i-th phys. Balance law
λi Prop. factor of the i-th supply rate density si
ρ Mass density
Σ Summation sign
σ, σE Cauchy stress tensor, Extra stress tensor
ϕ Entropy flux vector
ψ Helmholtz free energy
Miscellanea
ddt(·)= (·)· ddt(·)= (·)·
x(·) x(·)
x, y, z x, y, z