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How To find values between nodes in finite element

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(@JNaturel)
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Joined: 9 years ago

in the finite elements (CAE) there are a lot of way for achieving values between nodes but is it true that all equation for achieving values between nodes, indeed find the equation of a line or a plane that cross the nodes and if we give a position to that equation we could get the values?

so for triangular element if we could find a plane that cross the three nodes, we could achieve values between nodes.

if so what happened for 3D element?

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(@jorgen)
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Joined: 5 years ago

That is kind of right. All values are determined at the integration points of the elements. The values at the nodes are determined from the element shape functions.

-Jorgen

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