What is OpenVSP's parameters' unit?

Barış Çetin

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May 19, 2022, 4:20:25 PM5/19/22

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Hi everyone. I have been trying to learn VSP. I havent seen or realized unit indication so far and I wanted to ask for it. Can I set the units as metric or are they fixed to only one type of units? Where can I see it formally? (I might use it in my references section in the work paper.)

Baris.

Rob McDonald

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May 19, 2022, 4:37:05 PM5/19/22

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Most of OpenVSP is dimensionless -- the units are whatever you imagine them to be.

If you put in a 5 to describe a length - and you think it is in meters, then it is in meters. If you put in an accompanying 4 for a width, then the width is in meters and the area is 20 m^2. A volume would be in m^3, etc.

Some of the analysis tools in OpenVSP do start to care about units -- VSPAERO, Parasite Drag, FEAMesh among them -- each of those will have a means for you to tell OpenVSP what you think the units are.

In some cases, you will need to supply other information (density, material properties, etc). You will need to do so in consistent units.

Rob

On Thu, May 19, 2022 at 1:20 PM Barış Çetin <bariss...@gmail.com> wrote:

Hi everyone. I have been trying to learn VSP. I havent seen or realized unit indication so far and I wanted to ask for it. Can I set the units as metric or are they fixed to only one type of units? Where can I see it formally? (I might use it in my references section in the work paper.)

Baris.

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Barış Çetin

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May 19, 2022, 4:57:44 PM5/19/22

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I was guessing that OpenVSP might be dimensionless. Thank you. If it will not be a problem for you, can I show your answer as an reference in my work? Probably I missed this information during the Youtube tutorials and PDF's.

19 Mayıs 2022 Perşembe tarihinde saat 23:37:05 UTC+3 itibarıyla Rob McDonald şunları yazdı:

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