LOVELY PROFESSIONAL UNIVERSITY

Applied Elasticity and Plasticity (MEC-538)

Duration - 50 minutes Test-2.1

Date 12/11/2014 MM-30

1) Drive prandtl reuss equation. how it is different from levy mises equation.

2) a) define Bouschinger effect . difference between kinematic hardening and isotropic hardening

b) write atleast four assumption in plasticity theory.

3) Drives stress components for case of bending of bar under lateral force at end.

Note- Each question of 10 marks.

LOVELY PROFESSIONAL UNIVERSITY

Applied Elasticity and Plasticity (MEC-538)

Duration - 50 minutes Test-2.2

Date 12/11/2014 MM-30

1) Drive naviers equation of axisymmetric plane.

2) Drive the expression of torque and twist of thin wall tube varying thickness subjected torssion.

3) a) write a short note on tengant and plastic modulus

b) write prandtl reuss equation and how it is different from levy mises equation.

Note- Each question of 10 marks.