Lec 07 superelement nas105 free download as powerpoint presentation. Jun 27, 2016 in this tutorial, the i section is analysed using 1d, 2d and 3d. Various types of damping make up the damping matrix b in dynamic solutions. Engineers can analyze any structural component with. How to obtain the stiffness matrix for a model in femap. The pre and post processors are unique to patran itself. 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. The rflex boom body should now have replaced the rigid boom body, as shown below may be a different color than green. Sufficient theory is presented for those who wish to understand the operations.
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. Requests execution of a new version of the mscnastran superelement convertor. The uainastran users reference manual has been designed to provide you with all of the. More flexible use of sets to activate rigid elements in subcases.
Training b this training is free and is a collection of dozens of tutorials, all available at this link. You can create an external superelement nastran command extseout with a punch file for the stiffness matrix to be human readable. Enhancements to external superelement capability more powerful fatigue capabilities in msc nastran and patran. However, this package allows the user to do the actual solution analysis on a variety of different packages. The engineering lab nastran sol 200 tutorials, training.
This allows them to be used online with any computer having the adobe acrobat reader. Cquad4 and bar2 elements represent the individual components of the wing such as the skin and. Nx nastran solves structural analysis problems for linear and nonlinear analysis, dynamic. One could learn a lot about the structure and extensive and often confusing interplay between the various cards in the. Free tutorials for nastran hello and welcome to autodesk. It is one pdf that links to the rest of the documentation. Seidb superelement identification see remark 2 integer 0. Attach to external results files graphics performance improvements create.
We have nastran 2018 manual epub, pdf, djvu, doc, txt forms. Manual definition of the processing tree for a model defined in the main bulk data. Femap and nx nastran five minute tutorials intro to beam. The patran and nastran software together perform all 3 of the principle tasks of a finite element analysis. 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. Efficiently perform complex system level analysis for very large. External superelements in femap11, one can now use external superelements to transfer dynamic variables from one model to another. Hi agi2007, there is an extensive nastran super element tutorial in the technical notes section of. Pdf optistruct 2017 tutorials and examples gonzalo.
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. 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. These tutorials provide you with detailed, stepbystep instructions for a variety of different tasks. A verification procedure for mscnastran finite element models. 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. This users guide is intended to be tutorial in format. The tutorials are not quite polished, so i wont post this publicly. Table of contents proprietary and restricted rights notice table of contents 1. We created this guide for anyone that is trying to learn the basics of femap. We specialize in extensive analysis of metallic and nonmetallic structures with femap and nx nastran. If you installed nastran in the default location the documentation would be located in the directory c. 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.
Nastran fe software was used for finite element analysis. Any real structure will dissipate energy mainly through friction. Each rotor can be assigned different speeds or speeds dependent on other rotors. Femap tutorial getting started in femap, step by step. 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. Nastran input files and selected output are also presented at appropriate points for clarity.
At many sites you have the option of using the msc nastran package, which is. 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. The checkout option triggers a series of checks in the bookkeeping and control phase 0 subdmap. 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. The engineering lab offers two types of training for msc nastran sol 200. Make sure units are consistent and density is defined. Nastran users manual, volume 1, for a general description of msc. Defines a list of grid points in a partitioned superelement for. In the default intallation directory, search for thi s. Latest msc nastran user manual updates engineering. A video illustrating support for external superelements in femap version 11. The software is a finite element analysis fea tool. Modal analysis with altair optistruct hypermesh some hints all components in the model must have material and properties assigneddefined. If changes to your design occur only in one superelement, then only that superelement requires reanalysis.
Topology optimization is actually not consumed by nastran incad, it is currently use in inventor for its shapegenerator feature. Yes, and i have presented a list of all the msc nastran 2012 documents i know of. Linear static analysis of a trailer frame using bar and beam elements. Pdf wing structure static analysis using superelement. Mscnastran based component mode synthesis analysis without. How to obtain the stiffness matrix for a model in femap with. Contact sda for help with femap training, licensing, or independent analysis. Engineers can analyze any structural component with ease, determine if the structure is going. They cover linear static, normal modes, buckling, and heat transfer analyses. In addition to that, the time consumed for getting the result is also mentioned.
Nastran inherently solves large systems of equations efficiently using sparse matrix algorithms. 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. 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. Nx nastran, an engineer can define an external superelement using those. The rotor dynamics capability in msc nastran provides users with a relatively simple method of performing the design and analysis of structures with rotating components. In this tutorial, the i section is analysed using 1d, 2d and 3d. Nov 14, 2014 enhancements to external superelement capability more powerful fatigue capabilities in msc nastran and patran. Wiring harness manufacturing is a sophisticated and challenging business where quality, accuracy, and speed are essential to success. Nx nastran is an enhanced proprietary version developed and maintained by siemens product.
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 guide covers fundamental processes in femap such as cad import, cleaning geometry, creating the. Introduction and fundamentals reducedcost insteadofsolvingtheentiremodeleachtime,superelementsoffertheadvantageofincremental processing. The companion to this volume is the uainastran users reference manual. Dynamic analysis of a gas turbine engine rotor had been conducted using superelement modelling 10. Instead of solving an entire finite element model each time, nx nastran superelements offers the advantage of incremental processing only one superelement. 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. The msc nastran superelements users guide is shows how the analyst can not only analyze larger. Increased efficiency is the primary reason to use msc. 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. The prevalence of manual engineering methods in wiring harness manufacturing compounds these challenges, especially as harness complexity increases.
That is, the emphasis is on how to use superelements, not on the theory of superelements. In the simple bar problem below, there are three separate sections. Superelement in nastran finite element analysis fea. Theequationofmotionaccountsfortheforcesactingonthestructureateachinstantin time. Support for part superelements and superelement tree definitions have been. You also update existing cards by using the card panel. A verification procedure for mscnastran finite element. Heres a video tutorial for how to do that with femap. The msc nastran rotordynamics procedures are developed with input from aircraft engine manufacturers to ensure that their critical requirements are satisfied. 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. Mscnastran based component mode synthesis analysis. Nastran users guide preface about this book, xii list of msc. I can send you a small pdf that briefly covers how you can use these features with femap.
Method boundary grid point search methodcan be auto default. 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. For many years the method based on msc nastran has. Crack propagation analysis had been performed making use nastran superelement capacity 9.
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