PROJECT 4 -“S” Box beam impact response 4/6/2014

1 a) FEM model of the s beam

Half model

1 b) Force vs time response. Velocity of the wall = 12 m/s , Mass 800 kg

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PROJECT 4 -“S” Box beam impact response 4/6/2014

1 c ) Force vs time response. Velocity of the wall = 12 m/s , Mass 800 kg

1 d

Force vs time response. Velocity of the wall = 6 m/s , Mass 800 kg

RAHULDEV GURUDEV FL6922

PROJECT 4 -“S” Box beam impact response 4/6/2014

Force vs time response. Velocity of the wall = 20 m/s , Mass 800 kg

Superimposition of Force vs Time plot for 1b and 1c

RAHULDEV GURUDEV FL6922

PROJECT 4 -“S” Box beam impact response 4/6/2014

Superimposition of Force vs Time plot for 1b and 1d

Graphical comparison of initial and maximum overall rail deformations (termination time = 20ms) for 6m/s & 12 m/s impacts

6 m/s impact

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Final Initial

PROJECT 4 -“S” Box beam impact response 4/6/2014

12 m/s

RAHULDEV GURUDEV FL6922

Initial

Final

PROJECT 4 -“S” Box beam impact response 4/6/2014

Graphical comparison of initial and maximum cross-section deformations (termination time = 20ms) at

plastic hinge for 6 and 12 m/s impacts.

6 m/s

Initial C /s C/s after deformation

12 m/s

Initial C /s C/s after deformation

RAHULDEV GURUDEV FL6922

PROJECT 4 -“S” Box beam impact response 4/6/2014

Plot of Time vs Kinetic energy

Plot of Time vs Internal energy

RAHULDEV GURUDEV FL6922

PROJECT 4 -“S” Box beam impact response 4/6/2014

Plot of Velocity vs time

Plot of displacement vs time

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