Aeroelastic Analysis of Wings in the Transonic Regime: Planform’s Influence on the Dynamic Instability

Table 3

Structural analyses data.

	Swept wing	Curved wing
Material	Aluminium alloy	Aluminium alloy
Skin thickness	7 mm to 2.5 mm	7 mm to 2.5 mm
Rib thickness	7 mm to 1 mm	7 mm to 1 mm
Front spar thickness	12 mm to 5 mm	12 mm to 5 mm
Central spar thickness	12 mm to 8 mm	12 mm to 8 mm
Rear spar thickness	12 mm to 7.5 mm	12 mm to 7.5 mm
Total structural mass	15 372.2 kg	15 372.2 kg
Total fuel mass	20 000 kg	20 000 kg
Engine masses	4000 kg front, 4000 kg centre, and 2000 kg rear	4000 kg front, 4000 kg centre, and 2000 kg rear
Total model mass	45 394 kg	45 394 kg
Fictitious inertia (Case )	1300, 1000, 1000	1300, 1000, 1000
Fictitious inertia (Case )	750, 500, 500	1050, 700, 700

Moment of inertia applied on ribs in the tip region ( direction): units = kg m².