Modular Programme Coursework - Report Writing Assessment Answer

Assessment Task:

Task 1 

Perform a static stress analysis with linear material models on the problem shown in Figure 1 utilizing different mesh densities. Use meshes of 200, 400, 800, and 1600 elements. The thickness of the part given below is 8mm. A load of n MPa is applied on the right edge, where n is the last three digits of your UWE ID number. (for instance, for student 14020174, n is 174). The left end is fully fixed. Material is stainless steel (AISI 302) cold rolled. Assume it as a plane stress problem.  

Calculate stress concentration factor and compare with that of given in mechanics textbook. Write your comments in comparison with analytical solution. 

Task 2: 

Analyse a beam model using different element types and compare the results. A n kPa load is acting downward along the top, where n is the last three digits of your UWE ID number. (for instance, for student 14020174, n is 174). The left end is fixed, and the right end is simply supported. Material steel (AISI 4130). Length of the beam is 250 mm along x-axis.  The cross-section is rectangular (13mm along z-axis & 6mm along y-axis) Use following elements in ANSYS and fill the table below.  

1. 1st  Plate element:  Model 250mm x 13mm dimension and enter a thickness of 6mm. The pressure must be converted to forces on top edge as follows: 

2. 2nd Plate element:  Model 250mm x 6mm dimension and enter a thickness of 13mm. The pressure is applied as a n kPa surface load. 

i. For theoretical calculation, use the following relation for uniformly distributed load  

? UDL= Width * Pressure   

Brick:   The pressure is applied as a n kPa surface load.

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