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You can choose your language settings from within the program. Initialize the new virtual drive. Create a partition on the virtual drive. Standard for the Exchange of Product model data”. The nature of this description makes it suitable not only for neutral file exchange, but also as a basis for implementing and sharing product databases and archiving. Like other ISO and IEC standards STEP is copyright by ISO and is not freely available.
The evolution of STEP can be divided into four release phases. The initial plan was that “STEP shall be based on one single, complete, implementation-independent Product Information Model, which shall be the Master Record of the integrated topical and application information models”. But because of the complexity, the standard had to be broken up into smaller parts that can be developed, balloted and approved separately. 1, 11, 21, 31, 41, 42, 43, 44, 46, 101, AP 201 and AP 203.
STEP and supported by many CAD systems for import and export. In the second phase the capabilities of STEP were widely extended, primarily for the design of products in the aerospace, automotive, electrical, electronic, and other industries. This phase ended in the year 2002 with the second major release, including the STEP parts AP 202, AP 209, AP 210, AP 212, AP 214, AP 224, AP 225, AP 227, AP 232. A major problem with the monolithic APs of the first and second releases is that they are too big, have too much overlap with each other, and are not sufficiently harmonized. STEP Module and Resource Library, that contains all STEP resource parts and application modules on a single CD. The SMRL will be revised frequently and is available at a much lower cost than purchasing all the parts separately.
Simple 2D drawing geometry related to a product. No association, no assembly hierarchy. 3D drawing with association, but no product structure. The most complex and sophisticated STEP AP. The development of a second edition of AP242 has started which is extending the scope for electrical harness. In total STEP consists of several hundred parts and every year new parts are added or new revisions of older parts are released. This makes STEP the biggest standard within ISO.
The APs are the top parts. They cover a particular application and industry domain and hence are most relevant for users of STEP. Every AP defines one or several Conformance Classes, suitable for a particular kind of product or data exchange scenario. STEP is primarily defining data models using the EXPRESS modeling language. The common generic data models are the basis for interoperability between APs for different kinds of industries and life cycle stages. But because the development of an ATS was very expensive and inefficient this requirement was dropped and replaced by the requirements to have an informal validation report and recommended practises how to use it.
Today the recommended practises are a primary source for those going to implement STEP. Originally its purpose was only to document high level application objects and the basic relations between them. AP of early APs in an informal way. The ARM objects, their attributes and relations are mapped to the AIM so that it is possible to implement an AP. As APs got more and more complex formal methods were needed to document the ARM and so EXPRESS which was originally only developed for the AIM was also used for the ARM. There is a bigger overlap between APs because they often need to refer to the same kind of products, product structures, geometry and more. And because APs are developed by different groups of people it was always an issue to ensure interoperability between APs on a higher level.
They contain a piece of the ARM, the mapping and a piece of the AIM, called MIM. AP and conformance class modules at the very top. The modular editions of AP 209 and 210 are explicit extensions of AP 242. The STEP APs can be roughly grouped into the three main areas design, manufacturing and life cycle support. The AP 221 model is very similar to the ISO 15926-2 model, whereas AP 221 follows the STEP architecture and ISO 15926-2 has a different architecture. They both use ISO-15926-4 as their common reference data library or dictionary of standard instances. The original intent of STEP was to publish one integrated data-model for all life cycle aspects.
But due to the complexity, different groups of developers and different speed in the development processes, the splitting into several APs was needed. But this splitting made it difficult to ensure that APs are interoperable in overlapping areas. AP 212 and 242 for electro-mechanical products such as a car or a transformer. This page was last edited on 13 November 2017, at 16:26. It develops and markets engineering simulation software. Ansys software is used to design products and semiconductors, as well as to create simulations that test a product’s durability, temperature distribution, fluid movements, and electromagnetic properties.
Swanson sold his interest in the company to venture capitalists in 1993. In the 2000s, Ansys made numerous acquisitions of other engineering design companies, acquiring additional technology for fluid dynamics, electronics design, and other physics analysis. Westinghouse rejected Swanson’s idea to automate FEA by developing general purpose engineering software, so Swanson left the company in 1969 to develop the software on his own. He founded Ansys under the name Swanson Analysis Systems Inc. Swanson developed the initial Ansys software on punch-cards and used a mainframe computer that was rented by the hour. Westinghouse hired Swanson as a consultant, under the condition that any code he developed for Westinghouse could also be included in the Ansys product line. Westinghouse also became the first Ansys user.
In 1992, SASI acquired Compuflo, which marketed and developed fluid dynamics analysis software. SASI was renamed after the software, Ansys, the following year. 46 million in an initial public offering. 5 million in annual revenue. In the late 1990s, Ansys shifted its business model. It focused less on selling software licenses and corresponding revenue declined. However, revenue from services increased more dramatically.