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BriefFiniteElementNet / BriefFiniteElement.Net

BriefFiniteElementDotNET (BFE.NET) is a library for linear-static Finite Element Method (FEM) analysis of solids and structures in .NET
GNU Lesser General Public License v3.0
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BarElements InternalForce with Hing #24

Closed epsi1on closed 2 years ago

epsi1on commented 4 years ago

Describe the bug If some of the BarElements have hinges sometimes internal forces are calculated incorrectly.

To Reproduce ?

Expected behavior

Incorrect (with BarElement): image Correct (with FrameElement2Node): image

Additional context Reported by S.G.

epsi1on commented 4 years ago

It is right and the bug exists, but fixed now in commit e9b08eb8d1c86b9c143a616fd5d199262b80ea79. problem was different sign in EulerBernoullyHelper.GetLoadInternalForce and EulerBernoullyHelper.InternalForce of BarElement under UniformLoad and ConcentratedLoad.

Close this issue after adding validation code into the BriefFiniteElementNet.Validation project

epsi1on commented 2 years ago

Close this issue after adding validation code into the BriefFiniteElementNet.Validation project

validation code not added