$A_f$	Fiber cross-section area
$d_f$	Fiber diameter
E	Elastic modulus
$f_c$	Matrix compressive strength
$f_r$	Fiber tensile strength
$f_t$	Matrix tensile strength
$f_y$	Fiber yield strength
$H_f$	Modeled fiber height
$L_c$	Critical fiber (embedment) length
$L_e$	Fiber embedment length
$L_f$	Fiber length
$L_{sp}$	Matrix spalling length
$P_{max}$	Maximum pullout load
$P_f$	Frictional peak load
$p\left(\theta \right)$	Compressive stress at an inclination angle of θ
s	Slip displacement
$s_{b_c}$	Critical slip for interfacial bond
$T_f$	Modeled fiber thickness (out-of-plane dimension)
μ	Coulomb’s friction coefficient
ν	Poisson’s ratio
ρ	Material density
θ	Fiber inclination angle with respect to the load direction
${\tau }^{*}$	Apparent interfacial shear stress
$\tau (s,\theta )$	Interfacial shear stress as a function of s and θ
${\tau }_b\left(s\right)$	Internal bonding as a function of s
${\tau }_{f_c}$	Internal frictional resistance
${\tau }_{max}$	Interfacial shear strength (maximum shear stress)