Wrong displacement results for Full3D beam model

iainsproat / SharpFE

Lightweight, modular finite element solver for .net

BSD 3-Clause "New" or "Revised" License

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Wrong displacement results for Full3D beam model #3

Closed AndreasBak closed 11 years ago

AndreasBak commented 11 years ago

Solver returns wrong displacement values. See attached visualisation.

AndreasBak commented 11 years ago

Image attachment not working. See link for visualisation: https://dl.dropbox.com/u/3971189/PithchedRoofFrame.PNG

iainsproat commented 11 years ago

I've added a number of tests to try and narrow down the exact cause of this issue. The integration test SharpFE.Core.Example.Beam.BeamIn2DModel.ThreeNodeBeam demonstrates that it can calculate forces and displacements correctly, but angles are out by a large tolerance.