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Jeff Rowe
Jeff Rowe
Jeffrey Rowe has almost 40 years of experience in all aspects of industrial design, mechanical engineering, and manufacturing. On the publishing side, he has written well over 1,000 articles for CAD, CAM, CAE, and other technical publications, as well as consulting in many capacities in the design … More »

Virtual Prototyping and Manufacturing Simulation – From Products To Processes

January 18th, 2012 by Jeff Rowe

Market speak aside and regardless of whether it’s called, digital or virtual prototyping for manufacturing processes basically comes down to simulating something in the physical world, whether it’s simulating the machining of a part, placement of machines on a plant floor, or optimizing workflow.

To set the record straight, digital prototyping of anything, including manufacturing processes, is not necessarily CAD or CAM, per se. In fact, it primarily involves digital simulation and test to verify and validate designs and processes, and is an intensely math-based method of viewing them. Some vendors define digital simulation and test as simply good, old-fashioned computer-aided engineering (CAE), although most don’t anymore.

Prototypes of any type, whether physical or digital, provide a basis for making predictions about behavior for making better design, manufacturing, and business decisions. Ideally, intelligent digital prototyping is not only computer based, but a synergy of simulation (virtual) and testing (physical) information based on experience.

Much like CAD/CAM, the main areas that digital prototyping for manufacturing processes aim to influence in a positive manner include:

  • Accelerating time to market
  • Reducing cost
  • Increasing safety of the designed product
  • Improving product quality, reliability, and performance.

Figures bandied about by various industry pundits and analyst organizations predict that integrated digital prototyping is resulting in cumulative savings for product design and manufacturing processes of billions of dollars, and that’s only the beginning.

One of the greatest benefits of employing math-based methods in digital prototyping is that you can actually see cause and effect and track things that can’t be physically measured. Math captures reality. Digital prototyping is changing the traditional product development cycle from designbuildtestfix to designanalyzetestbuild. This newer paradigm reduces cycle times and is much less physical facility intensive. However, for its value to be fully realized, analysis through digital prototyping should be regarded as important as design of products and processes.

That all sounds good, right? Well, like just about anything that aims to change the status quo, there are obstacles to acceptance of virtual prototyping and manufacturing simulation. Overcoming these barriers will be the topic of the next MCADCafe Blog.

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