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Forum: Main CFD Forum

November 8, 2012, 04:57

Replies: 15

Beginner questions - modelling lift and drag on a towed body

Views: 7,067

Posted By ABF

Hi Lucia, I actually know exactly how to do...

Hi Lucia,

I actually know exactly how to do this :)

Assuming you're working with ABAQUS CAE, you can't get drag data through that interface - the output is supported but it's not listed in...

Forum: Main CFD Forum

September 26, 2012, 12:23

Replies: 15

Beginner questions - modelling lift and drag on a towed body

Views: 7,067

Posted By ABF

Hi Julien, Thanks for your responses. I...

Hi Julien,

Thanks for your responses. I realised as I was setting up the symmetry boundary conditions that I would be putting false constraints on the model that wouldn't be there in the full...

Forum: Main CFD Forum

September 24, 2012, 05:59

Replies: 15

Beginner questions - modelling lift and drag on a towed body

Views: 7,067

Posted By ABF

Hi Julien, Thanks for that great response....

Hi Julien,

Thanks for that great response. Right now I’m working on refining my mesh in a sensible manner – my current model was done fairly quickly and as such, increasing the mesh density at...

Forum: Main CFD Forum

September 20, 2012, 12:55

Replies: 15

Beginner questions - modelling lift and drag on a towed body

Views: 7,067

Posted By ABF

Hi Julien, I’ve finally got a model that...

Hi Julien,

I’ve finally got a model that gives me results that ‘look’ real (according to a colleague whose life work has been fluid dynamics – he can help with the theoretical side of things, but...

Forum: Main CFD Forum

September 18, 2012, 06:18

Replies: 15

Beginner questions - modelling lift and drag on a towed body

Views: 7,067

Posted By ABF

Hi Julien, I’ve managed to get a model of a...

Hi Julien,

I’ve managed to get a model of a sphere inside a block but not getting the kind of wake and separation I expected. I THINK it’s because my flow field is too small and the boundary...

Forum: Main CFD Forum

September 17, 2012, 06:40

Replies: 15

Beginner questions - modelling lift and drag on a towed body

Views: 7,067

Posted By ABF

Hi Julien, thanks for replying. The object...

Hi Julien, thanks for replying.

The object is indeed fully immersed. On having further information I now know the object is not axisymmetrical. I also intend to model the body as rigid and...

Forum: Main CFD Forum

September 13, 2012, 07:21

Replies: 15

Beginner questions - modelling lift and drag on a towed body

Views: 7,067

Posted By ABF

Beginner questions - modelling lift and drag on a towed body

Hello!

I need to find the lift and drag of a body being towed through water. The body is a fairly stocky torpedo shape with a tail 'ring-wing-thing' supported on four quadrant fins. I'm using...

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