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Hi huiying Before I describe in more detail let me know what kind of software you are using as a structural . If you are using the PATRAN software than the problem will be solved . I will describe with more detail step "c". So be sure that you have (after step "b") two groups: one group that...

Hi huiying, I understand now. The answer is not so complicate. step a) at your CFD software you have to create a field that include the 10e4 grid vs. pressure. step b) open a new file and import your FE (structure). In addition to that but at a new group import the CFD file that include the...

My recommendation is to use both commands (K6ROT =10. and AUTOSPC=YES) shlr

Hi, I suggest to describe the pressure as a field and at b/c creat a load by using this field. If you have aproblem please send me more information about the pressure and I describe with much more detail this proccedure. shlr

you have two option at the Cad step: modeling it with 3d thickness or by 2d "0" thickness. As I understand your model is complicated I suggest to use both method. At Patran the 3D (thickness) part shall be extract so you can build a surface. Anyway because your material is composite material...

You have two option: using gravity or force that act on some nodes.Howevere, you must add the density. I suggest for more accuracy to multyply density by E-6. shlr