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1.) In order for ansys to do a Fine Element Analysis [FEA] we need to specify what kind of element we want to use. For this 3d solid we will be using a 10 node tetrahedron shaped element[solid187]. To set this click on 'Preprocessor' ->'Element Type' -> 'Add/Edit/Delete':
2.) Click 'Add' on the next window['Elements Type'] and find 'Tet 10 node' under 'Structural Mass' -> 'Solids':
click ok and then click 'Close' on the 'Elements Type' window
3.) Now we must specify what type of material this solid is. The problem specifies the bracket is to be made of aluminum. To enter material data click on 'Material Models' under 'Material Props':
Select structural -> elastic -> isotropic
and enter the following numbers on the window that pops up:
NOTE:
EX refers to Young Modulus, which is 7e10 Pa for aluminum
PRXY refers to poisson ratio, which is .33 for aluminum
click ok, then close the 'define material model behavior' window
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