Advantages of FEA free pdf lecture notes download, Computer Aided Design pdf notes
Discretization: 1. Model body by dividing it into an equivalent system of many smaller bodies or units (finite elements) interconnected at points common to two or more elements (nodes or nodal points) and/or boundary lines and/or surfaces.
2. The domain is approximated by a finite set of triangles, on each of which, the function u is replaced by a linear function determined by the three values of u at the corners.