[Retracted] Wind Tunnel Testing and Validation of Helicopter Rotor Blades Using Additive Manufacturing

Table 2

Grid independence test.

Domain names	Domain_01	Domain_02	Domain_03	Domain 04
The number of elements	5792001	7055244	10057947	10921474
Lift coefficient	0.89825638	0.99146961	1.0403625	1.0559107
Drag coefficient	0.089324154	0.082220494	0.083640816	0.08252949
Error %	N/A	9.40%	4.69%	1.47%