List of symbols

Symbol	Name of the symbol	Unit
$C'_1$	coefficient $ C'_1 $	$\mathrm{}$
$C'_2$	coefficient $ C'_2 $	$\mathrm{}$
$C'_3$	coefficient $ C'_3 $	$\mathrm{}$
$C_1$	coefficient $ C_1 $	$\mathrm{}$
$C_2$	coefficient $ C_2 $	$\mathrm{}$
$C_3$	coefficient $ C_3 $	$\mathrm{}$
$C_4$	coefficient $ C_4 $	$\mathrm{}$
$C_5$	coefficient $ C_5 $	$\mathrm{}$
$D$	diameter, larger diameter	$\mathrm{mm}$
$H$	width, larger width	$\mathrm{mm}$
$K_{tgA}$	stress concentration factor with the nominal stress based on gross area at point $ A $	$\mathrm{ }$
$K_{tgB}$	stress concentration factor with the nominal stress based on gross area at point $ B $	$\mathrm{ }$
$K_{tgC}$	stress concentration factor with the nominal stress based on gross area at point $ C $	$\mathrm{ }$
$K_{tg}$	stress concentration factor with the nominal stress based on gross area	$\mathrm{ }$
$K_{tn}$	stress concentration factor with the nominal stress based on net area	$\mathrm{ }$
$M$	moment	$\mathrm{Nm}$
$P$	load, force	$\mathrm{N}$
$R$	radius of thin cylinder or sphere	$\mathrm{mm}$
$T$	torque	$\mathrm{Nm}$
$a$	dimension $ a $	$\mathrm{mm}$
$b$	dimension $ b $	$\mathrm{mm}$
$c$	dimension $ c $	$\mathrm{mm}$
$d$	diameter of hole	$\mathrm{mm}$
$d_i$	diameter of central hole	$\mathrm{mm}$
$e$	dimension $ e $	$\mathrm{mm}$
$h$	thickness	$\mathrm{mm}$
$l$	dimension $ l $	$\mathrm{mm}$
$p$	pressure	$\mathrm{MPa}$
$β$	parameter $ β $	$\mathrm{ }$
$ν$	Poisson's ratio	$\mathrm{ }$
$σ$	normal stress	$\mathrm{MPa}$
$σ_A$	normal stress at point $ A $	$\mathrm{MPa}$
$σ_B$	normal stress at point $ B $	$\mathrm{MPa}$
$σ_C$	normal stress at point $ C $	$\mathrm{MPa}$
$σ_{maxA}$	maximum normal stress $ σ_{maxA} $	$\mathrm{MPa}$
$σ_{maxB}$	maximum normal stress $ σ_{maxB} $	$\mathrm{MPa}$
$σ_{max}$	maximum normal stress	$\mathrm{MPa}$
$σ_{nom}$	nominal or reference normal stress	$\mathrm{MPa}$