Superior surface contact, impact analysis, and automated drop tests – includes nonlinearities of large deformations, sliding contact, and nonlinear materialsĪdvanced material models – complex nonlinear phenomena, including plasticity, hyper-elasticity, and shape-memory effectsĬomposites – straightforward complex ply data, and progressive ply failure, including Puck and LaRC02 algorithms Element Types and ModelingġD, 2D, and 3D element types open a whole new world of modeling capabilities. Nonlinear static and transient response – time-varying events including dynamic loading that result in resonant vibration or stress amplification Random response – behavior due to imposed of random dynamic loads, such as road vibration, wave cycles, engine vibration, and wind loads Transient response – response through a period of time under the influence of constant or time-dependent loads Random vibration fatigue – long-term structural robustness where operation must be characterized by power spectral density (PSD) inputs Pre-stress normal modes- capture true stiffness when complex loading is presentįrequency response – structural harmonic response based on frequency-dependent loads Normal modes – component natural frequencies Advanced analyses Linear statics – stress, strain, and deformation from applied static loads and constraints Linear buckling – compression induced loss of stiffness Heat transfer – conduction and convection heat in examination of temperature distribution Prestress static – response of complex loading Linear, static stress, thermal, and modal analyses Mitch Muncy, Product Manager for Autodesk’s Nastran product came along with the Nei purchase, and has stated that the company had spent countless hours verifying every detail of the solver, to ensure that it met the advanced requirements of its customers in industries such as aviation and automotive. The Autodesk Nastran (formerly Nei Nastran) solver’s accuracy is routinely tested against the NAFEMS standards at every release. Once solved, this output log can be reviewed as needed and the contents thereof are saved along-side the other Nastran model and results files.įrom this window the analysis can be stopped, paused, and resumed. This browser window is displayed by default during the run process. The output window shows the progress of the Nastran run, including real-time convergence data. This gives users a look into the Nastran file data rather than trying to interpret everything through the CAD interface.
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The analysis group assign these to individual analyses and subsets as the user dictates to accomplish different studies. The Model group accounts for all boundary conditions and templates defined in the model. Nastran Model Tree is divided into the assembly and model groups. The Browser is populated not only the Model and Assembly component sets, but three additional Nastran panels. These panels include settings, meshing tools, boundary condition applications, results plotting, etc. This displays a new set of Ribbon panels dedicated to the analysis model. Image courtesy of Autodesk Nastran In-CAD Ribbon tab
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The UI is divided between a Nastran In-CAD tab, and the Browser. This article will focus on the basic features, and discussions on using the software, helpful tips, and results will be forthcoming. We decided to take a look at In-CAD, and see how the UI and processor’s behaved.
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Inventor acts as the pre and post processor for the Nastran solver. Furthermore, Nei developed a CAD embedded UI in Solidworks for the Nei Nastran solver, called Nastran In-CadĪutodesk adapted In-CAD for Inventor, which now gives their Inventor users the ability to perform a large array of studies, including transient and non-linear analyses, right from the comfort of Inventor. This was a good purchase because Nastran is a respected Name in analysis it’s powerful and used in numerous industries. Last year Autodesk purchased NEI Nastran.