We had all the computer people we needed plus our own hardware and software
engineers at NPTI, and the modeling worked just fine for fit and design and
tooling but air is really different as we found in our wind tunnel.
At that same time Williams F-1 sent all their stuff to a tunnel just twenty
miles from us for proof that the modeling was correct. The tunnel also must
have a moving ground plane or it's no go. BMW has two full size tunnels and
for a good reason.
----- Original Message -----
From: Shane Ingate
To: Kas Kastner ; Friends of Triumph
Sent: Wednesday, October 22, 2008 3:16 PM
Subject: Re: [Fot] State of F1
Kas wrote:> Wind tunnels have an amazing cost. Some teams have two full size
running 24 > hours a day. That's interesting. I would have thought that today
all aerodynamic and structure-loading modeling was done on a computer. As Kas
suggests, wind tunnels are expensive, but computer modeling is dirt-cheap
where an engineer can change model parameters and make the calculations within
minutes that would otherwise necessitate a complete day in a wind tunnel.Many
models these days (I speak for hydrodynamic and sub-atomicinteractions in the
far-field) use non-linear models. I would not be surprised if non-linear
models were used in the simple case of aerodynamics.Shane Ingate in NM
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