This tutorial introduces 2-D unstructured mesh generation by first considering mesh generation for a simple rectangular domain and then extending the model to consider graded meshes, quadratic lines, polylines and models comprised of more than one surface.   The examples only considers mesh generation, so that the data file is set up with the minimum analysis data required for mesh generation.  This comprises:

 

1Definition of the geometry groups; for the base case the  column is represented by a single group

2Mesh generation data

3Solution Control Data; the minimum required data for mesh generation only

4Geometry Definition

 

The main description of 2-D unstructured meshing is provided for the first example Case 1 Simple Rectangular Domain, and this should be studied prior to the later examples.

 

Simulation Cases

 

Case 1 Simple Rectangular Domain

 

Case 1A Modification of the Mesh Density

 

Case 1B Plate With Hole (Quadratic Lines)

 

Case 1C Plate With Hole (Quadratic Lines with Mesh Refinement)

 

Case 1D Plate With Hole (Mesh Refinement using a Mesh Region)

 

Case 1E Plate With Hole (Hole Defined as a Polyline)

 

Case 1F Sandbox with Two Groups