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CIMdata Blog

Wednesday, 10 January 2018 00:00

Simulation: Past the Tipping Point?

SimGov Blog  Jan18 F1It strikes me, that without us really recognizing it, simulation has become more relevant for product development than physical testing.

(Please note, I said product development, not product validation.)

As innovation in product design and manufacturing methods increase, it has become much more difficult to procure representative and statistically relevant tests of proposed designs in sufficient time. Increasingly, new designs are based on experience (past designs) and simulation. Physical testing is much less of a factor.

Why? Well, given...

Wednesday, 13 December 2017 09:53

Spreadsheets: How Much of a Problem Are They?

BlogIt is often said that MS Excel is by far the most widely used engineering tool on the planet, and I suspect that is true. But, there are many concerns over proper management and governance of spreadsheets.

In CIMdata’s engagements with clients, usually in product engineering, we find that spreadsheets are pervasive and entirely unmanaged. They belong to individual users, and are freely shared. There is no way to track changes, and no metadata information to describe the provenance or suitability.

Some companies have...

testLet’s start with a pop quiz: Ask a half-dozen of your colleagues, including your managers, “What is the biggest benefit of doing simulation?"

It is highly likely that the answer you will get, particularly in the USA, is, “To reduce testing.” It is also true that, the higher you go up the management ladder, the more pervasive the mantra of “simulation replaces test” becomes.

As you might guess, I think this particular, restricted view of the role of simulation is wrong. Not only that,...

light weightingThe term “generative design” has been used in architecture and civil engineering for more than a decade. It is now gaining currency in the mechanical design (MCAD) world. See for example, https://www.autodesk.com/solutions/generative-design.

Generative Design is a term for a class of tools that create or modify design geometry based on non-geometric requirements or constraints on product performance. In this regard, Topology Optimization (TopOpt) is the poster child. In 2005, Dr. Kristina Shea, who is now a professor at...

light weighting

In Thursday's Detroit Free Press there is a review of the new Chevy Equinox SUV: read review here

“Chevrolet has been performing magic lately, making hundreds of pounds of vehicles’ weight disappear without reducing their comfort or features. The ★★★★ 2018 Equinox compact SUV may be its best trick yet. The new Equinox shed 400 pounds and 4.7 inches versus its predecessor, but it remains one of the most accommodating and best-equipped vehicles in the red-hot compact SUV class.”

This story is...

3D Car A recent article in The Economist leads me to reflect on the manufacturing revolution that has occurred, not in my lifetime, but only in the last 25 years. Economies, industries, and companies have been transformed by digital technology.

When I went to work in 1980 for GM in the Detroit area, within 50 miles of my home there were dozens of factories producing automobiles: With an annual volume approaching perhaps 8 million vehicles. Now, most of those factories (and...

Compute Power The New York Times has an article from May 4, 2016, proclaiming that Moore’s Law may have run out of steam:

But then they take it back by saying: “Predicting the end of Moore’s Law has for years been a parlor game in Silicon Valley, and not everyone in the industry believes that what it has come to represent is nearly over.”

Gordon Moore published a paper in 1965 stating that the transistor density on semiconductor...

Q-A You may be aware that CIMdata has been hosting a series of educational webinars. We have seen record attendance and many of the past webinars are available for replay from the CIMdata on-Demand page of our website. I recently hosted a webinar on Simulation Governance which generated lots of questions that we did not have time to answer live, here are some of the questions and their answers. For those of you who were unable to join the webinar you...

Missing PieceCIMdata consults with many end-user clients on their PLM and simulation strategies which, of course, turn out to be all about data management and process. In spite of clients having spent millions of dollars on solutions, it is incredible that when we bore down with the question about "How does collaboration and data sharing really happen?" the clients invariably get this sheepish look, stare down at their shoes, and mumble "shared drive."

It is amazing how much organizations rely on local network shared drives,...

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