An enhanced sustainable approach for design and manufacturing with an application to fuselages for mono-seat civil sailplanes

Figures & data

Figure 1. The anthropometric panel.

Figure 2. The posture panel.

Figure 3. The comfort analysis panel.

Figure 4. The aerofoil definition panel.

Figure 5. The calculation of main distances between the pilot and the fuselage.

Figure 6. The joining of the tail.

Figure 7. Samples of 3D previews.

Figure 8. The definition of the stacking sequence.

Figure 9. The definition of the polygon for the canopy.

Figure 10. The definition of fillets for the canopy.

Figure 11. Three selected models obtained quickly and directly through the use of SFIDA that show different postures of the pilot.

Table 1. Joint angles of the pilot’s posture, transversal surface and material volume.

Selected parameters depending on the pilot posture	Joint angles					Transversal surface [mm^2]	Material volume [mm^3]
	Ankle’s jont angle [°]	Knee’s jont angle [°]	Hip’s jont angle [°]	Shoulder’s jont angle [°]	Elbow’s jont angle [°]
POSTURE 1	95.31	114.94	97.98	21.03	131.26	727215.87	77346424.00
POSTURE 2	91.87	115.04	95.35	21.03	155.86	516949.07	58824100.00
POSTURE 3	91.87	125.18	81.75	21.03	169.90	420297.97	49938095.00

Table 2. Comfort estimation of the pilot’s posture based on the proposed tool output.

Pilot postures and parameters about comfort	Ankle's jont angle {90°;95°;100°}	Knee’s jont angle {110°;115°;120°}	Hip’s jont angle {95°;97.5°;100°}	Shoulder’s jont angle {0°;17.5°;35°}	Elbow’s jont angle {80°;122.5°;165°}	Average fuzzy comfort (AFC) [adim]
	Fuzzy values [adim]	Fuzzy values [adim]	Fuzzy values [adim]	Fuzzy values [adim]	Fuzzy values [adim]
POSTURE 1	0.93	0.98	0.80	0.79	0.79	0.86
POSTURE 2	0.37	0.99	0.13	0.79	0.21	0.50
POSTURE 3	0.37	0.00	0.00	0.79	0.00	0.23

Figure 12. Proposal for a preliminary decisional tool at an early stage of the design process.