Assignment 2

ANSWERS

1. Material properties of AISI 1018(MS) ,

E=210GPa

Rho=7850 kg/me3

nu=0.29

Speed of Sound in Steel Rail = 5110 mm/ms (Unit Mentioned in RAD input File).

2. Time taken for Shock Wave to travel from one end to another

L=1000 mm

∆tc= L /(E/Rho)e-0.5

∆tc = 0.1956 ms

3. Same as above as the length is 1000mm ∆tc = 0.1956 ms.

4. The run time is set at 0.1956 ms under /RUN/FIRST_RUN/1/.

5. The frequency is set such that 20 animation steps are obtained.

6. Print is changed to -10.

7. 2D and Tria element Meshing file is attached.

8. 3D Hexmesh and Pentamesh file is attached.