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NX, formerly known as NX Unigraphics or usually just U-G, is an advanced high-end CAD/CAM/CAE software package originally developed by Unigraphics, but since 2007 by Siemens PLM Software. It is used, among other tasks, for: * Design (parametric and direct solid/surface modelling) * Engineering analysis (static, dynamic, electro-magnetic, thermal, using the Finite Element Method, and fluid using the finite volume method). * Manufacturing finished design by using included machining modules. NX is a direct competitor to CATIA, Creo, Autodesk Inventor, and Solidworks. ==History== 1972: UNIAPT was released by a software company then called United Computing, UNIAPT was one of the world's first end-user CAM products. 1973: The company purchased the Automated Drafting and Machining (ADAM) software code from MCS in 1973. The code became a foundation for a product called UNI-GRAPHICS, later sold commercially as Unigraphics in 1975. 1976 McDonnell Douglas Aircraft buys United Computing. 1983: UniSolids V1.0 was released, marking the industry's first true interactive Solid Modeling software offering. 1991: During a period of financial difficulties McDonnell Douglas sells Unigraphics to EDS which at that time is owned by General Motors. Unigraphics becomes GM's corporate CAD system. 1992: Over 21,000 seats of Unigraphics are being used worldwide. 1996: Unigraphics V11.0 is released. Added Industrial Design and Modeling enhancements including Bridge Surface, Curvature Analysis for Curve and Surfaces, Face Blends, Variable Offset Surface, etc. In the area of Assembly Modeling the new capabilities included Component Filters, Faceted Representations, Clearance Analysis between multiple Components, etc. Also this release included a fully integrated Spreadsheet linked to Feature-Based Modeling. 2002 First release of the new "Next Generation" version of Unigraphics and I-DEAS, called NX. This will eventually bring the functionality and capabilities of both Unigraphics and I-DEAS together into a single consolidated product. 2007 Introduction of Synchronous Technology in NX 5.〔(【引用サイトリンク】Synchronous Technology )〕 2011 Release of NX8 on October 17-2011 2013 Release of NX9 (x64 only) on October 14-2013 2014 Release of NX10 on October 28-2014 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Siemens NX」の詳細全文を読む スポンサード リンク
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