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78 Chapter 4 Plan Stress Analysis
The analysis starts from importing the CAD file of the
chain wheel. The two-dimensional mesh is then generated on the
mid-plane of the wheel by using the Mid-Surface command. The
finite element model contains mostly the four-node quadrilateral
elements with very few three-node triangular elements as shown in
the figure.
The boundary conditions consist of constraining the
right half of the outer rim and applying the torque of 39 N-m at the
wheel center as highlighted in the figure.
