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[FAQ]

To apply convection on both sides of Shell in ANSYS Mechanical, insert a Command Snippet in Mechanical and apply SFE command twice, one for top face and second for bottom face. For example, if element the SHELL131 is used, apply SFE command with CONV, and use 1 for LKEY for bottom face and use 2 for LKEY for top face. Here’s a test verifying this: /prep7 et,1,57 r,1,.1 mp,kxx,1,1 rect,,1,,1 esize,1 amesh,1 sfe,1,1,conv,1,1 sfe,1,1,conv,2,100 sfe,1,2,conv,1,1 ! top sfe,1,2,conv,2,100 sfelist d,all,temp,0 fini /solu solve fini /post1 set,last prrsol ! With convection from both faces should equal 200