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Graphics Pioneer Don Greenberg on Digital Twins

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Graphics Pioneer Don Greenberg on Digital Twins

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Asked about the way forward for design, Donald Greenberg holds up a mannequin of a human aorta.

“After my son became an intravascular heart surgeon at the Cleveland Clinic, he hired one of my students to use CAT scans and create digital 3D models of an aortic aneurysm,” mentioned the pc graphics pioneer in a video interview from his workplace at Cornell University.

The fashions enabled customized stents that match so nicely sufferers may depart the hospital quickly after they’re inserted. It’s one instance Greenberg offers of how pc graphics have gotten a part of each human enterprise.

A Whole New Chapter

Expanding the frontier, he’s creating new instruments for an structure design course primarily based on as we speak’s capabilities for constructing real looking 3D worlds and digital twins. It will outline a holistic course of so everybody from engineers to metropolis planners can take part in a design.

The courseware continues to be on the idea stage, however his ardour for it’s palpable. “This is my next big project, and I’m very excited about it,” mentioned the pc graphics professor of the work, which is sponsored by NVIDIA.

“NVIDIA is superb at the hardware and the software algorithms, and for a long time its biggest advantage is in how it fits them together,” he mentioned.

Greenberg imagines a design course of open sufficient to incorporate city planners involved with reasonably priced housing, environmental activists aware of sustainable residing and neighbors who need to know the influence a brand new construction may need on their entry to daylight.

“I want to put people from different disciplines in the same foxhole so they can see things from different points of view at the same time,” mentioned Greenberg, whose programs have spanned Cornell’s structure, artwork, pc science, engineering and enterprise departments.

Teaching With Omniverse

A multidisciplinary strategy has fueled Greenberg’s work since 1968, when he began educating at each Cornell’s faculties of engineering and structure. And he’s at all times been rooted within the newest expertise.

Today, meaning inspiring designers and development consultants to enter the digital worlds constructed with photorealistic graphics, simulations and AI in NVIDIA Omniverse.

“Omniverse expands, to multiple domains, the work done with Universal Scene Description, developed by some of the brightest graphics people at places like Pixar — it’s a superb environment for modern collaboration,” he mentioned.

It’s a functionality that couldn’t have existed with out the million-X advances in computing Greenberg has witnessed in his 54-year profession.

He remembers his pleasure in 1979 when he purchased a VAX-11/780 minicomputer, his first system able to one million directions per second. In certainly one of his many SIGGRAPH talks, he mentioned designers would sometime have private workstations able to 100 MIPS.

Seeing Million-X Advances

The prediction proved nearly embarrassingly conservative.

“Now I have a machine that’s 1012 times more powerful than my first computer — I feel like a surfer riding a tidal wave, and that’s one reason I’m still teaching,” he mentioned.

Don Greenberg with students
Greenberg with a few of his college students attempting out the newest design instruments.

It’s a great distance from the system at General Electric’s Visual Simulation Laboratory in Syracuse, New York, the place within the late Nineteen Sixties he programmed on punch playing cards to assist create one of many first movies generated solely with pc graphics. The 18-minute animation wowed audiences and took him and 14 of his structure college students two years to create.

NASA used the identical GE system to coach astronauts easy methods to dock the Apollo module with the lunar lander. And the area company was one of many early adopters of digital twins, he notes, a undeniable fact that saved the lives of the Apollo 13 crew after a system malfunction two days into their journey to the moon.

From Sketches to Digital Twins

For Greenberg, all of it comes all the way down to the facility of pc graphics.

“I love to draw, 99% of intellectual intake comes through our eyes and my recent projects are about how to go from a sketch or idea to a digital twin,” he mentioned.

Among his few regrets, he mentioned he’ll miss attending SIGGRAPH in individual this 12 months.

“It became an academic home for my closest friends and collaborators, a community of mavericks and the only place I found creative people with both huge imaginations and great technical skills, but it’s hard to travel at my age,” mentioned the 88-year-old, whose pioneering continues in entrance of his pc display.

“I have a whole bunch of stuff I’m working on that I call techniques in search of a problem, like trying to model how the retina sees an image — I’m just getting started on that one,” he mentioned.

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Learn More About Omniverse at SIGGRAPH

Anyone can get began engaged on digital twins with Omniverse by taking a free, self-paced on-line course on the NVIDIA Deep Learning Institute. And people can obtain Omniverse free.

Educators can request early entry to the “Graphics & Omniverse” educating package. SIGGRAPH attendees can be part of a session on “The Metaverse for International Educators” or certainly one of 4 hands-on coaching labs on Omniverse.

To study extra, watch NVIDIA’s CEO Jensen Huang and others in a particular handle at SIGGRAPH on-demand.

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