MSC CAEfatigue + Resource Pack - v2020
Some estimates put annual costs in the United States due to premature fatigue fractures in structural components at as much as 4% of the gross domestic product. Yet testing against repeated loading cycles, sometimes millions of times over, is often too expensive and time consuming to be practical.Finite element analysis programs can tell you where stress “hot spots” exist, but on their own can’t tell you whether those hot spots are critical areas for fatigue failure, or when fatigue might become a problem.