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What is a "Digital Engineering Process"?
Posted by: freeradical
Date: February 09, 2022 11:52PM
I keep hearing this phrase thrown about with respect to the NGAD (Next Generation Air Dominance) program, and the B-21 bomber, of which number 6 is now being built. They supposedly just tested the fuel systems for the B-21 digitally. What does this mean? All I know is that it's supposed to be "faster" than what "analog engineering"? Is this really a new thing, or is it just some kind of corporate gobbledygook?
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Re: What is a "Digital Engineering Process"?
Posted by: Carnos Jax
Date: February 09, 2022 11:55PM
Just guessing here, but I suspect it means all aspects of the plane are simulated in a digital world (3D model with complete real world physics).
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Re: What is a "Digital Engineering Process"?
Posted by: Racer X
Date: February 10, 2022 12:03AM
Quote
Carnos Jax
Just guessing here, but I suspect it means all aspects of the plane are simulated in a digital world (3D model with complete real world physics).

but you can't simulate what you don't know you don't know. Lots of one-off examples that they had no clue about until something flew, and then didn't.



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The police have no duty to respond. See Castle Rock v. Gonzales, 545 U.S. 748 (2005) or Warren v. District of Columbia[1] (444 A.2d. 1, D.C. Ct. of Ap. 1981)

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Re: What is a "Digital Engineering Process"?
Posted by: Carnos Jax
Date: February 10, 2022 12:50AM
No you can’t, and that’s why they’ll ultimately test it. But simulations allow you to evaluate more iterations and get much closer to the answer.
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Re: What is a "Digital Engineering Process"?
Posted by: gadje
Date: February 10, 2022 05:34AM
Is anything real or are we all a Digital Simulation?
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Re: What is a "Digital Engineering Process"?
Posted by: Racer X
Date: February 10, 2022 09:55AM
Quote
gadje
Is anything real or are we all a Digital Simulation?

I'm pretty sure a bunch of my 1s and 0s are scrambled.



********************************************
“A sword never kills anybody; it is a tool in the killer's hand.” Seneca the Younger

The police have no duty to respond. See Castle Rock v. Gonzales, 545 U.S. 748 (2005) or Warren v. District of Columbia[1] (444 A.2d. 1, D.C. Ct. of Ap. 1981)

Judge Lee wrote that “we cannot jettison our constitutional rights, even if the goal behind a law is laudable." 9th Circuit Court of Appeals

[www.youtube.com]
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Re: What is a "Digital Engineering Process"?
Posted by: SDGuy
Date: February 10, 2022 09:58AM
Quote
Carnos Jax
Just guessing here, but I suspect it means all aspects of the plane are simulated in a digital world (3D model with complete real world physics).

agree smiley

Before I retired in September, "Digital Twin" was all the rage for my employer (they own lots of big gray ships) - mainly for new systems under development, but also for some of the existing systems. The idea was that if you have "Digital Twins" of multiple systems, you can put them through all sorts of scenarios and see how they'd operate together, without having to actually build them (thus saving $$, not just for the construction, but also the testing itself). This was primarily for software-intensive systems.

For the curious, here's an older blurb on one such effort, "AEGIS Virtual Twin".
"Ultimately, this ability to test a less mature build for free essentially would allow the developers to work out any kinks experienced at sea before actually paying for the build’s own operational test and evaluation event."
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Re: What is a "Digital Engineering Process"?
Posted by: Z
Date: February 10, 2022 11:00AM
Digital Engineering Process sure sounds like powerpoint engineering to me smiling smiley
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Re: What is a "Digital Engineering Process"?
Posted by: Filliam H. Muffman
Date: February 10, 2022 11:06AM
Fluid Dynamics simulation on the iPhone... it could happen. I do not think the Mac will be taken seriously for engineering until there is a Digital Engineering Process suite that runs on macOS/Apple silicon. Maybe Apple will buy an aerospace company like Lockheed Martin Corp. to make it happen, only $110 billion...



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