Nastran input files and selected output are also presented at appropriate points for clarity. I can send you a small pdf that briefly covers how you can use these features with femap. When it comes to solving for stressstrain behavior, dynamic and vibration response and thermal gradients in realworld systems, msc nastran is recognized as the most trusted multidiscipline solver in the world. Introduction and fundamentals reducedcost insteadofsolvingtheentiremodeleachtime,superelementsoffertheadvantageofincremental processing. Mscnastran based component mode synthesis analysis without the use of dmaps by tarun ghosh rockwell international corporation canoga park, california abstract component mode synthesis method of analyzing large structures is a very powerful and efficient tool available in mscnastran. Crack propagation analysis had been performed making use nastran superelement capacity 9. The prevalence of manual engineering methods in wiring harness manufacturing compounds these challenges, especially as harness complexity increases. The patran and nastran software together perform all 3 of the principle tasks of a finite element analysis. Seidb superelement identification see remark 2 integer 0. Msc software is pleased to introduce you to the latest release of msc nastran with enhancements to fatigue, acoustic, rotordynamics, optimization and nonlinear analyses, in addition to dynamic analysis performance, which are all designed to improve user productivity. Jun 27, 2016 in this tutorial, the i section is analysed using 1d, 2d and 3d. Mscnastran based component mode synthesis analysis without. If you installed nastran in the default location the documentation would be located in the directory c.
How to obtain the stiffness matrix for a model in femap with. Nx nastran, an engineer can define an external superelement using those. You also update existing cards by using the card panel. The checkout option triggers a series of checks in the bookkeeping and control phase 0 subdmap.
Instead of solving an entire finite element model each time, nx nastran superelements offers the advantage of incremental processing only one superelement. Generally, damping would be ignored for nontransient events such as wind loading, or crowd loading, but would be important for transient events like an earthquake loading or bomb blast. Make sure units are consistent and density is defined. Femap and nx nastran five minute tutorials intro to beam. Nastran users manual, volume 1, for a general description of msc. Method boundary grid point search methodcan be auto default. A video illustrating support for external superelements in femap version 11. One could learn a lot about the structure and extensive and often confusing interplay between the various cards in the. Msc nastran based component mode synthesis analysis without the use of dmaps by tarun ghosh rockwell international corporation canoga park, california abstract component mode synthesis method of analyzing large structures is a very powerful and efficient tool available in msc nastran. In addition to that, the time consumed for getting the result is also mentioned. Requests execution of a new version of the mscnastran superelement convertor. Article index topics of superelement analysis in mscnastran. The msc nastran rotordynamics procedures are developed with input from aircraft engine manufacturers to ensure that their critical requirements are satisfied. Nastran inherently solves large systems of equations efficiently using sparse matrix algorithms.
This screen cast is taken from our online seminar held january 17, 20 the webinar covers femap v11 new features including. Msc nastran desktop product brochure 5 msc nastran desktop structures is the base desktop solution tailored to stress engineers working on components, assemblies and structures subjected to static and dynamic loads. This users guide is intended to be tutorial in format. Each rotor can be assigned different speeds or speeds dependent on other rotors. Msc nastran 2 provides the option in any of the structured solution sequences sol 101200 of requesting a superelement checkout run by including pap,am,checkout,yes in either the bulk data deck or case control deck. In the simple bar problem below, there are three separate sections.
For many years the method based on msc nastran has. The engineering lab nastran sol 200 tutorials, training. Efficiently perform complex system level analysis for very large. Enhancements to external superelement capability more powerful fatigue capabilities in msc nastran and patran.
Linear static analysis of a trailer frame using bar and beam elements. Heres a video tutorial for how to do that with femap. It is one pdf that links to the rest of the documentation. Superelement in nastran finite element analysis fea. Dynamic analysis of a gas turbine engine rotor had been conducted using superelement modelling 10. The companion to this volume is the uainastran users reference manual. This fact sheet provides an overview of siemens plms nx nastran superelement capability and how it can be used to solve very large fe models with the nx nastran sparse matrix algorithms. More flexible use of sets to activate rigid elements in subcases. This fact sheet provides an overview of ugs nx nastran superelement capability and how it can be used to solve very large fe models with the nx nastran sparse matrix algorithms. We specialize in extensive analysis of metallic and nonmetallic structures with femap and nx nastran. You can create an external superelement nastran command extseout with a punch file for the stiffness matrix to be human readable.
Autodesk nastran is compatible with pre and postprocessors that read nastran data files, such as siemens femap, msc patran, and altair hypermeshproviding engineers and analysts the flexibility to use the autodesk nastran solver and its advanced capabilities with their preferred pre and postprocessors. Nov 18, 2015 both having the equal importance in there respective field if you go for ansys then your mechanical concepts become very much strong in the early stages of career. Theequationofmotionaccountsfortheforcesactingonthestructureateachinstantin time. Femap tutorial getting started in femap, step by step. If changes to your design occur only in one superelement, then only that superelement requires reanalysis. The uainastran users reference manual has been designed to provide you with all of the detailed information necessary for you to create finite element models and perform analyses which encompass a wide variety of analytical disciplines. Any real structure will dissipate energy mainly through friction. The msc nastran superelements users guide is shows how the analyst can not only analyze larger. Hi agi2007, there is an extensive nastran super element tutorial in the technical notes section of.
The software is a finite element analysis fea tool. Yes, and i have presented a list of all the msc nastran 2012 documents i know of. Wiring harness manufacturing is a sophisticated and challenging business where quality, accuracy, and speed are essential to success. Engineers can analyze any structural component with. The rflex boom body should now have replaced the rigid boom body, as shown below may be a different color than green. Cquad4 and bar2 elements represent the individual components of the wing such as the skin and. External superelements the external superelement capability of msc nastran enables engine manufacturers to deliver their rotor models to partners like primary airframe manufacturers in a format that is convenient to both partners. Mscnastran based component mode synthesis analysis. Defines a list of grid points in a partitioned superelement for. Patran is the pre and post processor while nastran is the solver. This allows them to be used online with any computer having the adobe acrobat reader.
In this tutorial, the i section is analysed using 1d, 2d and 3d. Training a this training is led by an instructor and details the exact procedure to manually hand edit and create the necessary bulk data entries to use for sol 200. Increased efficiency is the primary reason to use msc. However, this package allows the user to do the actual solution analysis on a variety of different packages. Table of contents proprietary and restricted rights notice table of contents 1. Manual definition of the processing tree for a model defined in the main bulk data. Nastran fe software was used for finite element analysis. Support for part superelements and superelement tree definitions have been. How to obtain the stiffness matrix for a model in femap. Engineers can analyze any structural component with ease, determine if the structure is going. Jul 26, 2018 nastran 2001 superelement users guide, but doesnt explain the do you know any tutorial exampleexercise where this theme is clearly simulation tools, is used to solve structural, dynamics and acoustics simulation problems. Use advanced mechanical simulation directly in your cad system with the industrytrusted autodesk nastran solver by offering an embedded workflow, autodesk nastran incad streamlines processes, helping you to maintain your productivity, and eliminate compatibility issues while equipping you with an industryrecognized, professionallevel fea.
This users guide is arranged so that an experienced finite element analyst can start at the beginning and read only the information applicable to the type of analysis desired. In transient response analysis, for example, structural damping must be converted to. Msc nastran is the worlds most widely used finite element analysis fea solver. Mscnastran 2 provides the option in any of the structured solution sequences sol 101200 of requesting a superelement checkout run by including pap,am,checkout,yes in either the bulk data deck or case control deck. Free tutorials for nastran hello and welcome to autodesk.
Various types of damping make up the damping matrix b in dynamic solutions. A verification procedure for mscnastran finite element models. Attach to external results files graphics performance improvements create. Training b this training is free and is a collection of dozens of tutorials, all available at this link. The engineering lab offers two types of training for msc nastran sol 200. Pdf wing structure static analysis using superelement. This guide covers fundamental processes in femap such as cad import, cleaning geometry, creating the. A verification procedure for mscnastran finite element. The tutorials are not quite polished, so i wont post this publicly. Modal analysis with altair optistruct hypermesh some hints all components in the model must have material and properties assigneddefined. At many sites you have the option of using the msc nastran package, which is. That is, the emphasis is on how to use superelements, not on the theory of superelements. These tutorials provide you with detailed, stepbystep instructions for a variety of different tasks.
Nx nastran solves structural analysis problems for linear and nonlinear analysis, dynamic. Lec 07 superelement nas105 free download as powerpoint presentation. Nov 14, 2014 enhancements to external superelement capability more powerful fatigue capabilities in msc nastran and patran. We have nastran 2018 manual epub, pdf, djvu, doc, txt forms. Contact sda for help with femap training, licensing, or independent analysis. Topology optimization is actually not consumed by nastran incad, it is currently use in inventor for its shapegenerator feature. We created this guide for anyone that is trying to learn the basics of femap. The uainastran users reference manual has been designed to provide you with all of the. Performing organization name and address 502320102 universal analytics, inc. Nastran users guide preface about this book, xii list of msc. Pdf optistruct 2017 tutorials and examples gonzalo. In the default intallation directory, search for thi s.
1282 616 1145 569 329 1100 1183 690 396 59 117 657 971 459 1227 100 209 1339 809 973 797 362 178 406 43 65 1019 518 1317 934 505 899 176 351 1163 60 65 1243 1155 632 1455 573 1111 1175