       RE: Rigid body equations

• To: mathgroup at smc.vnet.net
• Subject: [mg73994] RE: [mg73972] Rigid body equations
• From: Robert Pigeon <robert.pigeon at videotron.ca>
• Date: Mon, 5 Mar 2007 04:48:29 -0500 (EST)

```Hello Chris,
Well it is not importing known equations into Mathematica. It is to start
from scratch! I realize that a lot more information is needed to specify the
problem. My question was more general. If someone wrote some equations for
some 3D rigid body dynamics, I would like to look at the notebook for a
start.
I look at it as a building blocks problem: start easy and small and then
build it more complex. Then refine the equations and so on.

Robert

Robert Pigeon
TZ = -5

-----Message d'origine-----
De : chris.chiasson at gmail.com [mailto:chris.chiasson at gmail.com]De la
part de Chris Chiasson
Envoyé : Sunday, March 04, 2007 12:00
À : robert.pigeon at videotron.ca
Cc : mathgroup at smc.vnet.net
Objet : Re: [mg73972] Rigid body equations

Is this question about importing some known set of equations into Mathematica
or about determining the appropriate equations? If it is the latter,
constitutive relations for material and fluid properties, equations to
simulate flows near all the surfaces, etc)

On 3/3/07, Robert Pigeon <robert.pigeon at videotron.ca> wrote:
> Greetings,
>         Does any one worked out the rigid body equations (in 3D) in a
notebook? I
> have to "simulate" the dynamics of an helicopter at work and most people
are
> using other systems. I prefer to work with Mathematica for reasons
> that should be obvious to people in this list! But it is not for my
> colleagues at work.
>         It will be an interesting challange to implement those equations
in
> Mathematica. At the end I will want to input some initial conditions (like
> speed, trun speed,...) and get the dynamics (new speed, attitude,...).
>         Good references will be appreciated also... !
>
> Thanks,
>
> Robert
>
> Robert Pigeon
> TZ = -5
>
>
>
>

--
http://chris.chiasson.name/

```

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