Case	Model
Case	DCM	IDCM	IDCM-new
$α_{12}$	-	0.02	$0.0187 D r^{2} - 0.2332 D r + 0.8821$
$α_{23}$	-	0.02	$4.1518 D r^{2} - 2.9748 D r + 0.5395$
% error	42.9	18.0	4.2