 With improvements to the software and wider use of mainframes, FEA technology gradually spread to large corporations that could afford funding the huge investment in hardware, software, and a dedicated FEA staff.Usage spread from primarily aerospace and military applications to the automobile and maritime industries.The microprocessor revolution and the advent of Personal Computers (PCs) in the 1980s brought tremendous improvements in computing power, significant reductions in computing costs, and the steady development of numerical methods and algorithms.