AS 2

1. Checing the material properties of the rail component and calculate the speed of sound in 0.192steel rail

Desnity = 0.0078

E = 210000

by changing the units we get the speed = 5188.7 mm/s

2. Given l=1000mm

Time taken by shock wave = 1000/5188.7 = 0.1927s

3. Time for the sound to travel along the given length = 0.1927s

4.

5.

Tfreq = 0.1972/20 =0.009636

6

7.

steps to be followed in hex meshing

1. Firstlr, the model is imported into the workspace

2. STrtting from the base, the base is firsly meshed with 2d elements on the top surface and using the line drag option these elements are dragged to the bottem

2. For the arm curve, a circlr point is defined to use the spin option and then these elemts are spinned upto the destination surface

3. The Tapered arm is meshed i such a way that the destination and source faces elemt nodes are matched.

4. The boss is meshed by dragging the 2d elemts on the 1 face of the boss by slecting the orientation carefully which is done by suing solid map option by selecting the line and the nodes

Steps followed in tetra meshing

1. the model is imported onto workspace

2. In the utikity tab, the gemoety option is selected and undrr that, the quick tetra option is slected.

3. In the component tab, the geometry on the workspce is selected and te required parameters is given

4. element size 5 and angle 20

5. Th e geometry is meshed and checked for quality with tetcollapse of 1.5.

6. This step is continued even for the hex meshing task.