What are NASTRAN and PASTRAN softwares in aerospace industry?

NASTRAN is an acronym formed from NASA STRucture Analysis. NASTRAN is primarily a solver for finite element analysis. It does not have functionality that allows for graphically building a model or meshing. All input and output to the programme is in the form of text files. However, multiple software vendors market pre- and post-processors designed to simplify building a finite element model and analysing the results. MSC Nastran is the original commercial Nastran product and most popular software in the field. MSC Nastran is commonly utilized for performing structural analysis. Although utilized in every industry, it maintains a strong following in aerospace and automotive industries for performing computational stress and strain analysis of component and system level models of structures. Patran is also used for pre/post-processing software for Finite Element Analysis (FEA), providing solid modeling, meshing, analysis setup and post-processing for multiple solvers including MSC Nastran, Marc, Abaqus, LS-DYNA, ANSYS, and Pam-Crash. If you are planning to an aeronautical or aerospace or automobile designer with MNCs, you may have access to these software for design work.

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