CONSTITUTIVE EQUATIONS FOR SOLID PROPELLANTS
CONSTITUTIVE EQUATIONS FOR SOLID PROPELLANTS
CONSTITUTIVE EQUATIONS FOR SOLID PROPELLANTS
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Nomenclature<br />
A; B; n constitutive constants in evolution equation of c<br />
C<br />
c<br />
E<br />
E(t)<br />
E r<br />
F<br />
f<br />
g<br />
I i<br />
I <br />
J<br />
K<br />
K 0 ;C<br />
p<br />
q<br />
Q<br />
Q r<br />
S<br />
s i<br />
T<br />
t<br />
1 ; 2 ; 1<br />
i<br />
right Cauchy-Green deformation tensor<br />
void volume fraction<br />
Green strain tensor<br />
tensile relaxation modulus<br />
reference modulus<br />
deformation gradient<br />
unloading/reloading function<br />
softening function<br />
invariants of the volume-preserving part of C<br />
\octahedral shear" strain<br />
ratio of current to reference volume<br />
bulk modulus<br />
constitutive constants in evolution equation of K<br />
superimposed pressure<br />
generalized displacement<br />
generalized force<br />
pseudo-generalized force<br />
symmetric Piola-Kirchho stress tensor<br />
internal state variables<br />
Cauchy stress tensor<br />
current time<br />
constitutive constants in <br />
principal stretches<br />
20
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