CATIA v5 for FEA

Analysis of Chassis Parts Using CATIA FEA Lee Dong Jae

DAEWOO MOTOR Co. LTD BUPYONG TECHNICAL CENTER CHASSIS DESIGN DEPT.

ITEM • Transmission Mounting Bracket • Lower Reaction Rod • Lower Control Arm - One Piece Type ( ) - One Piece Type ( ) - Two Piece Type • Rear Suspension - Torsion Beam Axle DAEWOO MOTOR Co. LTD BUPYONG TECHNICAL CENTER CHASSIS DESIGN DEPT.

TRANSMISSION MTG. BRACKET • Object - Reduction of Weight - Good Stress Condition • Mesh : TE4 • Material : ALDC12 - E = 70000 Mpa - Poisson Ratio = 0.346 - Density = 7850 kg/ DAEWOO MOTOR Co. LTD BUPYONG TECHNICAL CENTER CHASSIS DESIGN DEPT.

TRANSMISSION MTG. BRACKET ( OLD ) • Weight : 1144 g • Max Stress : 300 Mpa

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DAEWOO MOTOR Co. LTD BUPYONG TECHNICAL CENTER CHASSIS DESIGN DEPT.

TRANSMISSION MTG.BRACKET ( NEW ) • Weight : 957 g • Max Stress : 340 Mpa

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DAEWOO MOTOR Co. LTD BUPYONG TECHNICAL CENTER CHASSIS DESIGN DEPT.

TRANSMISSION MTG. BRACKET( NEW ) • Weight : 993 g • Max Stress : 200 Mpa

6 5

DAEWOO MOTOR Co. LTD BUPYONG TECHNICAL CENTER CHASSIS DESIGN DEPT.

LOWER REACTION ROD

DAEWOO MOTOR Co. LTD BUPYONG TECHNICAL CENTER CHASSIS DESIGN DEPT.

LOWER CONTROL ARM (ONE PIECE TYPE)

• Object - Reduction of Weight - Good Stress Condition • Material : Steel - E = 207×10E3 Mpa - Poisson Ratio = 0.300 - Density = 7850 kg/ DAEWOO MOTOR Co. LTD BUPYONG TECHNICAL CENTER CHASSIS DESIGN DEPT.

LOWER CONTROL ARM (MESH MODEL)

• Mesh - Arm Body : QD4S, TR3S - Bush : RIG_BEAM Spring - Weld : RIG_BEAM • 6 Load Case

DAEWOO MOTOR Co. LTD BUPYONG TECHNICAL CENTER CHASSIS DESIGN DEPT.

LOWER CONTROL ARM (ONE PIECE TYPE)

• Object - Reduction of Weight - Good Stress Condition • Material : Steel - E = 207×10E3 Mpa - Poisson Ratio = 0.300 - Density = 7850 kg/ DAEWOO MOTOR Co. LTD BUPYONG TECHNICAL CENTER CHASSIS DESIGN DEPT.

LOWER CONTROL ARM (MESH MODEL)

• Mesh - Arm Body : QD4S, TR3S - Bush : RIG_BEAM Spring - Weld : RIG_BEAM • 6 Load Case

DAEWOO MOTOR Co. LTD BUPYONG TECHNICAL CENTER CHASSIS DESIGN DEPT.

LOWER CONTROL ARM (TWO PIECE TYPE)

• Object - Reduction of Weight - Good Stress Condition • Material : Steel - E = 207×10E3 Mpa - Poisson Ratio = 0.300 - Density = 7850 kg/ DAEWOO MOTOR Co. LTD BUPYONG TECHNICAL CENTER CHASSIS DESIGN DEPT.

LOWER CONTROL ARM (MESH MODEL)

• Mesh - Arm Body : QD4S, TR3S - Bush : RIG_BEAM Spring - CO2 Weld : RIG_BEAM - Spot Weld : CLAMP_2 • 6 Load Case

DAEWOO MOTOR Co. LTD BUPYONG TECHNICAL CENTER CHASSIS DESIGN DEPT.

LOWER CONTROL ARM (Von Mises Stress) Load Case • 1g Forward Braking • Overturning • 0.3g Reverse Braking • 2.5g Bump & 1g Forward Braking • 0.8g Cornering • 2.5g Bump & 0.8g Cornering

DAEWOO MOTOR Co. LTD BUPYONG TECHNICAL CENTER CHASSIS DESIGN DEPT.

LOWER CONTROL ARM (Von Mises Stress) Load Case • 1g Forward Braking • Overturning • 0.3g Reverse Braking • 2.5g Bump & 1g Forward Braking • 0.8g Cornering • 2.5g Bump & 0.8g Cornering

DAEWOO MOTOR Co. LTD BUPYONG TECHNICAL CENTER CHASSIS DESIGN DEPT.

REAR SUSPENSION - TORSION BEAM AXLE • Object - Reduction of Weight - Good Stress Condition

• Material : Steel - E = 207×10E3 Mpa - Poisson Ratio = 0.300 - Density = 7850 kg/ DAEWOO MOTOR Co. LTD BUPYONG TECHNICAL CENTER CHASSIS DESIGN DEPT.

REAR SUSPENSION- TORSION BEAM AXLE (MESH MODEL)

• Mesh - Axle Body : HE8, WE6 QD4S, TR3S - Bush : RIG_BEAM, SPRING - CO2 Weld : RIG_BEAM - Damper, Spring : BAR

DAEWOO MOTOR Co. LTD BUPYONG TECHNICAL CENTER CHASSIS DESIGN DEPT.

REAR SUSPENSION - TORSION BEAM AXLE Torsion Test

DAEWOO MOTOR Co. LTD BUPYONG TECHNICAL CENTER CHASSIS DESIGN DEPT.

LOWER CONTROL ARM (MESH MODEL)

DAEWOO MOTOR Co. LTD BUPYONG TECHNICAL CENTER CHASSIS DESIGN DEPT.

• CATIA FEA ( ) • DATABASE

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