Donkervoort D8 GTO

September 18, 2014
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Donkervoort D8 GTO

Designed as a mashup between a Formula One racer and a luxury touring conveyance (cerebrate of it as a lady in the seats and a freak in the streets), the D8 GTO relinquished by Dutch automaker Donkervoort Automobielen this past December, was made possible, in sizably voluminous part, to CAD simulation and Computational Fluid Dynamics.

Donkervoort D8 GTO

Donkervoort (sounds like a Harry Potter deplorable guy), has been developing hand-built, lightweight and high performance sports cars since 1978. And since they only make about 50 cars each year—all by hand—cutting down on the desideratum to build prototypes to refine the design preserves a plethora of time. And headaches.

The engineers at Donkervoort turned to SolidWorks CAD simulation to virtually visually perceive how the D8 GTO would react to the road afore making a single prototype. According to Dr. Stephen Endersby, Product Manager and Simulation Expert at SolidWorks:

Donkervoort D8 GTO

“The aerodynamic and chassis design of a high performance car is everything. You can have the most potent engine in the world, but if you cannot put the puissance on the road and control the car while you turn you might as well not bother. All good cars have traction. Have you ever auricularly discerned the phase ‘she corners like she’s on rails’? This denotes the engine potency, chassis stiffness and aerodynamics are all collaborating so the driver drives the car where he wants it to go rather than under or over-steering, with potentially hazardous consequences.”
To achieve that balance, you require a chassis that is “light as a feather and stiff as a diamond.” Donkervoort utilizes a hybrid carbon fiber-tubular steel chassis to meet that goal.

Donkervoort D8 GTO

The D8 GTO hybrid chassis

Then they drop an Audi 2.5-liter turbo five-cylander engine into it that makes 400 horsepower, up from the 1.8-liter/270-hp engine they utilized in the last model. So the engine power for the equation is more than covered. All that’s left is the aerodynamics.

Donkervoort D8 GTO

Enter CAD and CFD

But rather than build prototype after prototype to deal with the challenges of the weight gain from the more sizably voluminous engine and the air flow disruption over the open wheels, they used SolidWorks’ Flow Simulation to tweak the design and test if integrating wings to the rear fenders and undertray would increment downforce. (It did.)

Donkervoort D8 GTO interior

They withal needed to address the quandary of the desideratum for structural reinforcing due to the boost in horsepower—a snowball effect that integrates weight. Again, utilizing the simulation software, the engineers conducted nonlinear force, stiffness, crash, and impact tests on the innovative steel/composite chassis. They were withal able to reduce engine weight by reconfiguring the “Front End Auxiliary Drive,” intake manifold, and clutch/flywheel assembly.

After all those ameliorations were made and tested in the computer simulations, Donkervoort was able to build the culminated D8 GTO, and run it on an authentic test track, in lieu of the virtual one they’d been utilizing for months. The result? Zero to 60 in 3.0 seconds, and the ability to hold the track like the tires were composed of glue. In a fraction of the time, and for a fraction of the cost.

To order your new Donkervoort D8 GTO rival with a brand new Toyota Camry V6 engine for only US$20,000 or a new BMW V12 for only US$38,000.

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