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Element normal in Hyperview

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Hi,

does anyone know how the element normal is calculated in Hyperview ???

I get the element normal from the Querry and use these values to create a user system.

However, it looks a bit different from the elemental system displayed when I used the system review.

Really wonder how it could be possible

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tinh

In a warpage quad elem, if we split it into 2 trias, normal is mid ray of angle between 2 trias.

In calculation, take vector N1N3 x N2N4

Beta

Hi Tinh,

Seem like I get it correctly, still wonder why the elemental system displayed by system review tool does not have the z-direction same with the element normal

tinh

The tool displays normal as vector N1N2N3, it is correct normal calculated by hypermesh, too. If you want to match, use N1N2N3

Some solvers could do N1N3 x N2N4

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Hi Tinh,

I found that with OptiStruct Solver, to match with the system review tool in HV, it must be N1N3xN2N4. Thank for useful suggestion