John Dunec at COMSOL recently explained the various kinds of analysis. He says:   There are different classes of analysis. A large structure such as a bridge can be done with all of them. The most basic is the so-called ''back of the envelope'' analysis. It can be extremely sophisticated. An example comes from ...

This new blog is a continuation of my on-going one, archived here. As mentioned previously, my first love is manufacturing, specifically the shop floor. I moved through the ranks the hard way, in one job, working for a half-crazy, old-world machinist, Frank. His motto: ''You shalt NOT make scrap.'' His was the classic old-fashioned shop -- ...