NASTRAN is a method of finite element analysis, originally developed by NASA of the US. It is an industry standard for over 40 years. It is used to analyze stress, vibration, structured failure, heat transfer, acoustics, and aeroelasticity analyzer. NX Nastran, a simulation solution created by Siemens PLM Software, is widely used in aerospace, automotive, electronics, heavy machinery, medical device and other industries to build safe, reliable and optimized designs with increasingly shorter design cycles Delay in finding problems/errors in the product development process is the topmost product design challenge faced by many companies. NX Nastran helps companies to find problems even before the prototype of the product is made and costly physical testing are conducted. Simulation also helps companies to make right trade offs for cost, performance, and quality.