Design, analysis and experimental verification of tubular spaceframe chassis for FSAE application 1

Graph 45-Structural torsional stiffness STS of the chassis 2 with respect to variation of length of foot well Figure 113-Investigation of auxiliary requirement of chassis 2 Figure 114-In

Appendices 1 - Design & Analysis of Chassis – Shape of Chassis

1) Chassis 1

Figure 108-Investigation of driver ergonomics requirement of chassis 1

Figure 109-Investigation of rule requirement (B3.9) of chassis 1

Figure 111-Investigation of auxiliary requirement of chassis 1

Figure 112-Investigation of rule requirement (B.4.1) of chassis 1

Length of Foot Well (mm)

Weight of Chassis vs Length of Foot Well

Graph 45-Structural torsional stiffness (STS) of the chassis 2 with respect to variation of length of foot well

Figure 113-Investigation of auxiliary requirement of chassis 2

Figure 114-Investigation of driver ergonomics requirement of chassis 2

Length of Foot Well (mm)

STS of Chassis vs Length of Foot Well

Figure 115-Investigation of rule requirement (B.3.9) of chassis 2

Figure 116-Investigation of rule requirement (B.4.2) of chassis 2

Graph 47-Structural torsional stiffness (STS) of chassis 3 with respect to variation of height of front bulkhead

Graph 49-Structural torsional stiffness (STS) of chassis 4 with respect to variation of width of front bulkhead

Figure 117-Investigation of auxiliary requirement

Figure 120-Investigation of auxiliary requirement of chassis 4

Figure 121-Investigation of rule requirement (B4.2) of chassis 4

Figure 122-Investigation of rule requirement (B3.9) of chassis 4

Figure 123-Investigation of driver ergonomics requirement of chassis 4

Graph 51-Structural torsional stiffness (STS) of chassis 5 with respect to variation of height of front middle

Figure 126-Investigation of driver ergonomics requirement of chassis 5

Figure 127-Investigation of auxiliary requirement of chassis 5

Graph 53-Structural torsional stiffness (STS) of chassis 6 with respect to variation of height of front roll hoop

Figure 128-Investigation of rule requirement (B4.2) of chassis 6

Figure 129-Investigation of auxiliary requirement of chassis 6

Figure 130-Investigation of rule requirement (B3.9) of chassis 6

Figure 131-Investigation of driver ergonomics requirement of chassis 6

Graph 55-Structural torsional stiffness (STS) of chassis 7 with respect to variation of length of driver cockpit

Figure 132-Investigation of driver ergonomics requirement of chassis 8

Figure 133-Investigation of rule requirement (B4.1) of chassis 8

Figure 134-Investigation of rule requirement (B3.9) of chassis 8

Graph 57-Structural torsional stiffness (STS) of chassis 8 with respect to variation of height of main roll hoop

Figure 135-Investigation of auxiliary requirement of chassis 8

Figure 136-Investigation of driver ergonomics requirement of chassis 8

Figure 137-Investigation of rule requirement (B3.9) of chassis 8

Graph 59-Structural torsional stiffness (STS) of chassis 9 with respect to variation of width of main roll hoop

Figure 138-Investigation of driver ergonomics requirement of chassis 9

Figure 139-Investigation of rule requirement (B3.9) of chassis 9

Figure 140-Investigation of auxiliary requirement of chassis 9

10) Chassis 10

Graph 60-Weight of chassis 10 with respect to variation of height of rear bulkhead

Graph 61-Structural torsional stiffness (STS) of chassis 10 with respect to variation of height of rear bulkhead

Appendices 2 - Design & Analysis of Chassis – Orientation of Brace

1) Chassis 11

Chart 27-Weight of chassis 11 with respect to variation of orientation of brace

Chart 28-Structural torsional stiffness (STS) of chassis 11 with respect to variation of orientation of brace

Figure 141-Investigation of auxiliary requirement of

Chart 30-Structural torsional stiffness (STS) of chassis 12 with respect to variation of orientation of brace

Figure 144-Investigation of auxiliary requirement

Chart 31-Weight of chassis 13 with respect to variation of orientation of brace

Chart 32-Structural torsional stiffness (STS) of chassis 13 with respect to variation of orientation of brace

Figure 147-Investigation of auxiliary requirement

Chart 34-Structural torsional stiffness (STS) of chassis 14 with respect to variation of orientation of brace

Figure 150-Investigation of auxiliary requirement

Chart 35-Weight of chassis 15 with respect to variation of orientation of brace

Chart 36-Structural torsional stiffness (STS) of chassis 15 with respect to variation of orientation of brace

Figure 154-Investigation of rule requirement (B4.2) of chassis 15

Figure 155-Investigation of driver ergonomics requirement of chassis 15

Chart 38-Structural torsional stiffness (STS) of chassis 16 with respect to variation of orientation of brace

Figure 156-Investigation of rule requirement (B4.2) of chassis 16

Figure 157-Investigation of driver ergonomics requirement of chassis 16

Figure 158-Investigation of auxiliary requirement of chassis 16

Chart 40-Structural torsional stiffness (STS) of chassis 17 with respect to variation of orientation of brace

Figure 159-Investigation of rule requirement (B4.1) of chassis 17

Figure 160-Investigation of auxiliary requirement (B4.1) of chassis 17

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Figure 161-Investigation of rule requirement (B3.9) of chassis 17

Figure 162-Investigation of driver ergonomics requirement of chassis 17

Chart 42-Structural torsional stiffness (STS) of chassis 18 with respect to variation of orientation of brace

Figure 163-Investigation of driver ergonomics requirement of chassis 18

Figure 164-Investigation of auxiliary requirement of chassis 18

Figure 165-Investigation of rule requirement (B4.1) of chassis 18

Figure 166-Investigation of auxiliary requirement of chassis 19

Figure 167-Investigation of driver ergonomics requirement of chassis 19

Chart 46-Structural torsional stiffness (STS) of chassis 20 with respect to variation of orientation of brace

Figure 168-Investigation of driver ergonomics requirement of chassis 20

Figure 169-Investigation of auxiliary requirement of chassis 20

Chart 47-Weight of chassis 21 with respect to variation of orientation of brace

Chart 48-Structural torsional stiffness (STS) of chassis 21 with respect to variation of orientation of brace

Figure 171-Investigation of driver ergonomics requirement of chassis 21

13) Chassis 23

Chart 51-Weight of chassis 23 with respect to variation of orientation of brace

Chart 52-Structural torsional stiffness (STS) of chassis 23 with respect to variation of orientation of brace

Figure 173-Investigation of driver ergonomics requirement of chassis 23

Appendices 3 - Design & Analysis of Chassis – Cross Section

of Structural Element

1) Chassis 24

Chart 53-Weight of chassis 24 with respect to variation of cross section of structural element

Chart 54-Structural torsional stiffness (STS) of chassis 24 with respect to variation of cross section of

Cross Section Variation

Weight of Chassis vs Cross Section Variation

Cross Section Variation

STS of Chassis vs Cross Section Variation

Figure 174-Investigation of rule requirement

Cross Section Variation

Weight of Chassis vs Cross Section Variation

Chart 56-Structural torsional stiffness (STS) of chassis 25 with respect to variation of cross section of

Cross Section Variation

STS of Chassis vs Cross Section Variation

3) Chassis 26

Chart 57-Weight of chassis 26 with respect to variation of cross section of structural element

Chart 58-Structural torsional stiffness (STS) of chassis 26 with respect to variation of cross section of

Cross Section Variation

Weight of Chassis vs Cross Section Variation

Cross Section Variation

STS of Chassis vs Cross Section Variation

Figure 180-Investigation of driver ergonomics requirement of chassis 26

Figure 181-Investigation of rule requirement (B4.2) of chassis 26

Figure 182-Investigation of auxiliary requirement of chassis 26

4) Chassis 27

Chart 59-Weight of chassis 27 with respect to variation of cross section of structural element

Chart 60-Structural torsional stiffness (STS) of chassis 27 with respect to variation of cross section of

Cross Section Variation

Weight of Chassis vs Cross Section Variation

Cross Section Variation

STS of Chassis vs Cross Section Variation

Figure 183-Investigation of rule requirement

Cross Section Variation

Weight of Chassis vs Cross Section Variation

Chart 62-Structural torsional stiffness (STS) of chassis 28 with respect to variation of cross section of

structural element

Figure 186-Investigation of rule

requirement (B4.2) of chassis 28

Figure 187-Investigation of auxiliary requirement of chassis 28

Figure 188-Investigation of driver ergonomics requirement of chassis 28

Cross Section Variation

STS of Chassis vs Cross Section Variation

Chart 63-Weight of chassis 29 with respect to variation of cross section of structural element

Chart 64-Structural torsional stiffness (STS) of chassis 29 with respect to variation of cross section of

Cross Section Variation

Weight of Chassis vs Cross Section Variation

Cross Section Variation

STS of Chassis vs Cross Section Variation

Figure 189-Investigation of rule

requirement (B4.2) of chassis 29

Figure 190-Investigation of auxiliary requirement of chassis 29

Figure 191-Investigation of driver ergonomics requirement of chassis 29

Cross Section Variation

Weight of Chassis vs Cross Section Variation

Chart 66-Structural torsional stiffness (STS) of chassis 30 with respect to variation of cross section of

structural element

Figure 192-Investigation of rule requirement (B3.9) of chassis 30

Figure 193-Investigation of driver ergonomics requirement of chassis 30

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Cross Section Variation

STS of Chassis vs Cross Section Variation

Figure 194-Investigation of rule requirement (B4.1) of chassis 30

Figure 195-Investigation of auxiliary requirement of chassis 30

Cross Section Variation

Weight of Chassis vs Cross Section Variation

Chart 68-Structural torsional stiffness (STS) of chassis 31 with respect to variation of cross section of

structural element

Figure 196-Investigation of auxiliary requirement of chassis 31

Figure 197-Investigation of driver ergonomics requirement of chassis 31

Cross Section Variation

STS of Chassis vs Cross Section Variation

Chart 69-Weight of chassis 32 with respect to variation of cross section of structural element

Chart 70-Structural torsional stiffness (STS) of chassis 32 with respect to variation of cross section of

Cross Section Variation

Weight of Chassis vs Cross Section Variation

Cross Section Variation

STS of Chassis vs Cross Section Variation

Figure 199-Investigation of auxiliary requirement of chassis 32

Cross Section Variation

Weight of Chassis vs Cross Section Variation

Chart 72-Structural torsional stiffness (STS) of chassis 33 with respect to variation of cross section of

structural element

Figure 200-Investigation of auxiliary requirement of chassis 33

Figure 201-Investigation of driver ergonomics requirement of chassis 33

Cross Section Variation

STS of Chassis vs Cross Section Variation

Chart 73-Weight of chassis 34 with respect to variation of cross section of structural element

Chart 74-Structural torsional stiffness (STS) of chassis 34 with respect to variation of cross section of

Cross Section Variation

Weight of Chassis vs Cross Section Variation

Cross Section Variation

STS of Chassis vs Cross Section Variation

Figure 203-Investigation of auxiliary requirement of chassis 34

Appendices 4 - Design & Analysis of Chassis – Estimation of Discrepancy & Prediction of Structural Torsional Stiffness of Enhanced Conceived Chassis

Graph 62-Structural torsional stiffness of frame model in counter-clockwise loading scenario

Angular Deflection (deg)

Frame Structural Torsional Stiffness (Counter-Clockwise)

Graph 63-Structural torsional stiffness of frame model in clockwise loading scenario

Angular Deflection (deg)

Frame Structural Torsional Stiffness (Clockwise)

Angular Deflection (deg)

Torsional Stiffness of Frame (TT1)

Graph 65-Structural torsional stiffness manufactured frame (round 2)

Graph 66-Structural torsional stiffness manufactured frame (round 3)

Angular Deflection (deg)

Torsional Stiffness of Frame (TT2)

Angular Deflection (deg)

Torsional Stiffness of Frame (TT3)

Graph 67-Structural torsional stiffness manufactured frame (round 4)

Graph 68-Structural torsional stiffness manufactured frame (round 5)

Angular Deflection (deg)

Torsional Stiffness of Frame (TT4)

Angular Deflection (deg)

Torsional Stiffness of Frame (TT5)

Graph 69-Structural torsional stiffness manufactured frame (round 6)

Angular Deflection (deg)

Torsional Stiffness of Frame (TT6)