| 2D Plane Stress analysis for a Simple Lever model
Simple introductory example of a 2D plane stress analysis on a symmetric lever.
Geometry is constructed using the sketcher tool. Quadrilateral mesh with local refinement is demonstrated.
Click on image to go to tutorial.
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3D solid analysis of Pin, Bush and Lug assembly with Contact
A pin, lug and bush assembly is built using both the sketcher tool and geometry creation functions within the main program. Two planes of symmetry in the modelling are used. Contact using linear spring elements between the pin and the bush with matching mesh is demonstrated. The model is meshed with ten node tetrahedral elements. A balanced load is applied with minimal support. Result display otptions are shown.
Click on image to go to tutorial.
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CAD import via IGES file
CAD model import using the IGES neutral file format. The model is split along the symmetry plane and half is meshed and analysed with an internal pressure. A local stress "hot spot" is revealed. Unaveraged element stresses are plotted to demonstrate a lack of convergence. The mesh is then refined locally in the region of the hot spot and the model is re-analysed.
Click on image to go to tutorial.
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| CAD sliver removal, de-featuring and editing
Imported CAD models can contain geometry which is either unsuitable or not required for meshing.
1.) Slivers resulting from boolean operations. These do not physically exist in the real model and can be legitimately removed.
2.) The analyst may also which to simplify the model by removing unimportant features.
3.) Distorted NURB geometry which may result in a poor surface mesh. Such geometry requires replacing.
4.) Bad model construction.
These tutorials show how all of these actions can be accomplished.
Click on image to go to tutorial.
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