Week 4 - 2D Meshing for Sheet Metal

Aim : For the CCB CAD model check for the geometry cleanup and to extract the midsurface and to mesh it with given element quality criteria using ANSA

Procedure :

• Import the CAD model and do the geometry cleanup

Check manger ------ Geometry

Faces ------Topo

• Extract midsurface for the given model

Faces-----Midsurface or Faces -----Offset option as shown below

• Set PID for different components of the CCB model with the given thickness value

Faces----- Set PID

Meshing:

• Fix the target length

Mesh---- Perimeters ---- Length

• Assign mesh parmeters and Quality criteria values as given
• Remove the unwanted Hotpoints and Features lines

Hotpoints-----Insert or Delete

Macros ----- cut to toggle the Features line

• Mesh---- Mesh Genration---Best mesh the faces one by one of the given components
• After mesh generation Shell Mesh---- Reconstruction , reconstruct the mesh if requried
• Use Elements-----Split 0r Grid --- paste to remove the unwanted trias
• use Shell Mesh ---- Smooth option to maintain the mesh flow

• Check for any quality issues, if they are failing and resolve them and have better mesh flow

Results:

Checked for the geometrical errors and extracted midsurface for CCB Assembly and meshed the CCB assembly as per the given Quality criteria .