Graphics Reference
In-Depth Information
Johnson ([John87]) lists the following advantages of FEM over finite difference
methods:
(1) The FEM handles complicated geometry and boundary conditions better. It
avoids artificial complications, is clearer, and is easier to program.
(2) The FEM is more reliable and it is easier to analyze its accuracy.
One practical difficulty that is often encountered by anyone wanting to use the
FEM is finding the geometric model and physical constraints to which the analysis is
applied. The original geometry usually needs to be simplified. Automating the process
of producing sufficiently accurate analysis models, rather than relying on experts,
would be highly desirable. We leave the reader with one reference, [Arms94], for this
topic.
