Multiscale Modeling of Residual Stress Development in Continuous Fiber-Reinforced Unidirectional Thick Thermoset Composites

Table 1

Fiber and matrix properties (from [9, 15]).

Fiber properties
Elastic modulus	𝐸^𝑓1=𝐸^𝑓2=𝐸^𝑓3=𝐸^𝑓
Poisson’s ratio	𝜈^𝑓12=𝜈^𝑓13=𝜈^𝑓23=𝑣
Shear modulus	𝐺^𝑓12=𝐺^𝑓13=𝐺^𝑓23=𝐺^𝑓=𝐸^𝑓21+𝜈^𝑓
Isotropic plain-strain Bulk modulus	𝑘^𝑓 = 𝐸^𝑓21−𝜈^𝑓−2𝜈^𝑓2
Matrix resin mechanical property evolution during cure
Elastic modulus	𝐸^𝑚1=𝐸^𝑚2=𝐸^𝑚3=𝐸^𝑚=1−𝛼mod𝐸^𝑚0+𝛼mod𝐸^𝑚∞
Poisson’s ratio	𝜈^𝑚12=𝜈^𝑚13=𝜈^𝑚23=𝜈^𝑚
Shear modulus	𝐺^𝑚12=𝐺^𝑚13=𝐺^𝑚23=𝐺^𝑚≡𝐸^𝑚2(1+𝜈^𝑚)
Isotropic plain-strain Bulk modulus	𝑘^𝑚=𝐸^𝑚21−𝜈^𝑚−2𝜈^𝑚2