Automeshing is the process of automatically decomposing a computer model of an object into pieces suitable for computer simulation.

For instance, a car crash simulation requires every component of interest to be modeled and meshed.  There are two techniques for meshing: Manual or Automatic.

• Manual techniques of meshing, at times, are laborious and time-consuming; it may take several months with some mesh generators just to model an engine block.

• Automatic tools may take up to a few days to create a complex mesh, but they require almost no intervention.  This saves time and cost.

The main problem with automatically generated meshes is quality and element type.  Computer simulation codes typically perform better with quadrilateral surface elements and hexahedron (brick) volume elements, but many automatic meshers generate only triangle surface elements and tetrahedron elements.  Furthermore, the angles, connectivity, aspect ratios and sizes of automatically generated elements are not as good as what can be produced using manual techniques.  So computational time is increased and accuracy is reduced.  The trade-off between computational time and accuracy of automatic meshes and manpower required for manual meshes is one which an engineer is best suited to make.

Automeshing software programs have improved considerably over the last decade, and the trade-off between automeshing and manual meshing is now favoring automeshing. 

A good automeshing program should come with tools for greatly improving element quality and appearance.  Many of today's many computer simulation programs are better able to take advantage of such meshes.

The above is to assist you with the explanation of definition of Auto Meshing.  If you have any questions before we add  application information feel free to contact me,   Marsha  mv@feainformation.com