$A$	area through which the elastic wave has passed
$A_B$	area of pressure bar
$A_S$	area of specimen
$C$	elastic wave velocity of material
$C_B$	elastic wave velocity of pressure bar
$D_B$	diameter of pressure bar
$L_0$	initial length of specimen
$L_B$	length of pressure bar
$L_S$	length of specimen (= thickness)
$V_S$	initial velocity of striker bar
$Z$	impedance of material$\left(=\rho AC\right)$
$\rho$	density of material
${\epsilon }_I$	incident pulse measured at incident bar
${\epsilon }_R$	reflected pulse measured at incident bar
${\epsilon }_T$	transmitted pulse measured at Transmitted bar
${\epsilon }_S$	strain of specimen
${\dot{\epsilon }}_S$	strain rate of specimen
${\sigma }_S$	stress of specimen
CAE	Computer-Aided Engineering
FEM	Finite Element Method
S-S curve	stress & strain curve of specimen
SHPB	Split-Hopkinson Pressure Bar
SHTB	Split-Hopkinson Tensile Bar