August 18, 2008
Siemens PLM Software Ships NX 6
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Jeff Rowe - Managing Editor

by Jeff Rowe - Contributing Editor
Each MCAD Weekly Review delivers to its readers news concerning the latest developments in the MCAD industry, MCAD product and company news, featured downloads, customer wins, and coming events, along with a selection of other articles that we feel you might find interesting. Brought to you by If we miss a story or subject that you feel deserves to be included, or you just want to suggest a future topic, please contact us! Questions? Feedback? Click here. Thank you!

The Week’s Top 5

At MCADCafé we track many things, including the stories that have attracted the most interest from our subscribers. Below are the five news items that were the most viewed during last week.

ANSYS, Inc. announced that it has completed the acquisition of Ansoft Corp. in a series of mergers for approximately 12.2 million shares of ANSYS common stock, including 1.9 million shares pursuant to assumed stock options, and approximately $387 million in cash, plus expenses. ANSYS expects the acquisition to be modestly accretive to earnings the first twelve months, excluding acquisition-related costs, amortization of intangibles, the impact of deferred revenue purchase accounting treatment and expensing of stock compensation. The Company used a combination of existing cash and proceeds from approximately $355 million of committed bank financing to fund the transaction. The
combination of ANSYS' and Ansoft's software products and services is expected to give ANSYS the most comprehensive, independent engineering simulation software offerings in the industry. With over 60 direct sales offices and 21 development centers, on three continents, the combined company will employ approximately 1,700 people.

Stratasys announced it has begun shipping its new FDM 900mc direct digital manufacturing machine. Historically, Stratasys additive fabrication machines were used strictly for rapid prototyping, but the 900mc was developed specifically for use in direct digital manufacturing (DDM) applications. The machine is designed to serve this growing trend in low-volume manufacturing. All 17 of the first units sold will be used in direct digital manufacturing applications for either end-use parts or fabrication & assembly tools, and some of them will double in high-end functional prototyping applications. The 900mc development program was driven to produce high standards of accuracy &
repeatability. With a confidence factor of greater than 99%, the 900mc has an accuracy rating of +/- .005 inch [or +/-.0015 inch per inch, whichever is greater] (+/- .127 mm [or +/- .0015 mm per mm whichever is greater]). The Stratasys quality department completed an FDM 900mc accuracy study, using three FDM 900mc machines, and building 144 standard test parts with 27 measurements per part, for a total of 3888 measured dimensions. Results revealed that dimensions were 99.9% in specification; in other words, only one in one thousand measurements did not fall within the specification.

Siemens PLM Software announced that Boeing has signed a new software license agreement for Teamcenter. Siemens PLM Software technology currently enables Boeing to access current and accurate digital information wherever and whenever required. Boeing uses Teamcenter on several key programs to enhance collaboration and improve workflow management. As part of this agreement, Boeing will work with Siemens PLM Software to retire and replace selected legacy systems with Teamcenter. Teamcenter is being used for bill of material management, configuration management, change management and document management.

Aurora Flight Sciences engineer Adam Woodworth established a national record in an attempt at the Fédération Aéronautique Internationale (FAI) F5SOL endurance world record for a radio controlled solar powered model aircraft (no batteries onboard). The aircraft with a wingspan of 3.1m, weighs 1.35 kg, and was designed to maximize endurance with the smallest (cheapest) possible solar array. The aircraft flew for 7hrs 13min setting a new U.S. national endurance record. The world endurance record for this category of 11hrs 34 min was set in 1997 by Wolfgang Schaeper of Germany. Woodworth and his teammate Carl Engel are now in the process of ratifying the record with the
Academy of Model Aeronautics (AMA). Aurora Flight Sciences recruited Adam because of earlier work on this project while he was a junior at MIT. Woodworth's experience with this project puts him in a very small group of people who have actually flown an aircraft powered by the sun. The hobby has served him well; Woodworth is currently working as an aero-engineer on the Defense Advanced Research Projects Agency (DARPA) Vulture Program awarded to Aurora Flight Sciences in April. The goal of the Vulture program is to develop and demonstrate a radical new unmanned solar aircraft that can stay aloft for five years.

Dolphins swim faster than they should be able to. For decades, physicists and biologists have declared dolphin speeds impossible, given the density of water and the animal’s muscle structure. This paradox is a problem that hopes to be unraveled by looking at the powerful motion (“kick”) of the dolphin’s tail. When Speedo, the swimwear producer, as well as one of the most tenacious users of new and innovative technology, wanted to learn more about the drag-reduction mechanism associated with this animal’s tail, they came to the professionals in the dynamics of fluid flow: Optimal Solutions Software, LLC. Optimal Solutions, developer of Sculptor, a Computational Fluid Dynamics (CFD) real-time design deformation technology, was chosen because the company works with the automotive, motorsports and aerospace industries—virtually any industry that designs components that entail fluid (gas or liquid) flow—to solve the respective companies’ “lift” and “drag” issues. Now working with Speedo Aqualab in Nottingham, United Kingdom, and its other technology partners ANSYS, and the University of Nottingham, Optimal Solutions is utilizing its Sculptor CFD real-time design deformation technology to enhance the thrust and minimize the drag relating to timing and articulation of a swimmer’s kick

Jeffrey Rowe is the editor of
MCADCafé and MCAD Weekly Review. He can be reached at
Email Contact or 408.850.9230.

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-- Jeff Rowe, Contributing Editor.

Review Article
  • October 09, 2008
    Reviewed by 'Paul Hamilton'
    One of the better commentaries on this topic. Thanks Jeffery
    Siemens has claimed to introduce the next breakthrough in 3D CAD with what they are calling “Synchronous Technology”. While I have yet to get my hands on it, all the demos that are out there look reasonable good, as any demo should. The use model looks nice and the graphical interaction and feedback appears to be very nice.
    On the contrary though, what Siemens has introduced, was in reality introduced 10 years ago when Hewlett Packard first imbedded the synchronous parametric solver from D-Cube into their product – SolidDesigner. Since then the product was moved out of HP into CoCreate, and is now a PTC product line. The product is now called PTC CoCreate Modeling. The D-Cube solver delivers synchronous solutions to geometrical relationships like dimensional parameters, coplanar faces, concentric faces, tangent faces, parallel faces, perpendicular faces, symmetry and coincidence. This capability allows an explicit – or “history-free” modeling system to apply needed relationships/parameters to 3D points, edges, faces, features, parts and assemblies on a b-rep solid model. The relationships are solved synchronously and simultaneously. It is a mature and robust technology. Certainly not a new breakthrough as described by Siemens.
    HP/CoCreate was the first to introduce history-free modeling in 1994 and the first to deploy a synchronous parametric solver in a production history-free 3D CAD system. It is nice to see followers like SpaceClaim and Siemens ST validate what CoCreate has been doing for years. There are many companies out there that have already been taking advantage of the power and flexibility of so called “synchronous technology”, for many years, with their use of CoCreate Modeling.
    Paul Hamilton

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