Week 12:Project-1-Meshing of Door Inner Panel Challenge

AIM :

To mesh the given component side door model as per the given quality criteria and assign thickness.

OBJECTIVES :

1.Generating Midsurface and geometry clean up on the given component.

2.Generating mesh on the given component with low tria concentration and proper mesh flow.Target Element Length = 4 Units.

PROCEDURE :

1. open the model in to the hypermesh through the option, file - open - model - select the component - open.

2. visualy inspect the side door model for any missing surfaces,free edges and non manifold lines.

3. make the model in to the wire frame mode and enable suitable visualization options and find out all the free edges and missed surfaces.

4. fill all the missing surfaces and free edges by using filler surfs option and ruled option.

5. for filling free edges by filler surface option,go to quick edit - filler surfs - select the free edges.

6. for filling edges by ruled option , go to surfaces - ruled - select line.

7. also use the toggle edge option by going through, quick edit - toggle edge - apply tolerence - select free edges and clear it.

8. go to edge edit and replace unwanted free edges.

9. after geometric clean up create the mid surface of the component by going through, surface edit - offset - select the surface- by face - duplicate - offset value - extract.

10. also use the final edit tool for the making of midsurface in complicated portions.for that go to , mid surface - final edit tool - select surfaces - extract.

11.for making mid surface for the ribs , first we want to generate the mid lines for the ribs.for that go to , geometry - lines - midline - select line list - create.

12.after creating midline we want to trim the line with surfaces. for that go to , surface edit - trim with lines - surfs - free lines - normal to surface - trim.

13.after triming create the surface between free line and midline with ruled option.for that go to surfaces - ruled - select lines - create.

14.for making mid surface or represent the dog houses,create a cross on the top face of dog house and translate it to the base surface then create surface by ruled option.for that go to linear nodes - create nodes - create cross.

15.after creating cross we want to translate it in to the base. so go to tools - translate - select lines - select N1,N2 - duplicate the lines - magnitude - translate +.

16.after doing proper translation make surfaces between cross lines with ruled option.

17.also use the trim with surfaces and extend option to get proper connection and neat mid surface of the component.extend all the required portions like ribs,fins ...etct to the base surface.

18. after taking midsurface then go to meshing.before meshing toggle the ines that are fail to the minimum length.toggle all the unwanted lines and prepare a neat geometry to mesh.

19.after that apply the given quality criterias like aspect ratio,warpage,tria percentage..etc.for that go to, preference - criteria file settings - 2D - apply quality - ok.

20.then select the surfaces and mesh by going through 2D - automesh - srfaces - mixed - mesh.

21.mesh all the component and clear all the quality errors.rebuild the mesh for getting better mesh flow and clear quality.for that go to, 2D - rebuild mesh - slect elements/surfs - edit parameters - rebuild.

22.by going through quality index - clean up tools - smooth/place node/swap edge/node optimize/element optimize..etc clear all the quality criterias and improve the mesh.

23.also use replace node,combine,align options to improve the quality of the mesh.

24.dissassosiate the model by going through preference - topology revision options - dissassosiate for making changes in the mesh.

25.remove unwanted trias and improve the mesh.

26.clear all the quality criterias given and finish the work.

RESULT :

successfully created the mid surface,meshed the given component side door model as per the given quality criteria and assigned thickness.