How does one do a coupled HF-thermal-structural modal
analysis? The customer knows how to scale the heat fluxes
based on the obtained H field.
If you do a google search on: ansys cavity accelerator you will find many papers on this. Here are some of the links <a target=_blank href="http://accelconf.web.cern.ch/AccelConf/p01/PAPERS/MPPH060.PDF">http://accelconf.web.cern.ch/AccelConf/p01/PAPERS/MPPH060.PDF</a>http://accelconf.web.cern.ch/AccelConf/p01/PAPERS/MPPH060.PDF <a target=_blank href="http://www.lnf.infn.it/acceleratori/sparc/TECHNOTES/RF/SPARC_RF_05_001.pdf">http://www.lnf.infn.it/acceleratori/sparc/TECHNOTES/RF/SPARC_RF_05_001.pdf</a>http://www.lnf.infn.it/acceleratori/sparc/TECHNOTES/RF/SPARC_RF_05_001.pdf <a target=_blank href="http://repositories.cdlib.org/cgi/viewcontent.cgi?article=4471&context=lbnl">http://repositories.cdlib.org/cgi/viewcontent.cgi?article=4471&context=lbnl</a>http://repositories.cdlib.org/cgi/viewcontent.cgi?article=4471&context=lbnl <a target=_blank href="http://www.cap.bnl.gov/mumu/conf/MUTAC-040219/TALKS/Li.pdf">http://www.cap.bnl.gov/mumu/conf/MUTAC-040219/TALKS/Li.pdf</a>http://www.cap.bnl.gov/mumu/conf/MUTAC-040219/TALKS/Li.pdf <a target=_blank href="http://srf.desy.de/fap/paper/TuP45.pdf">http://srf.desy.de/fap/paper/TuP45.pdf</a>http://srf.desy.de/fap/paper/TuP45.pdf <a target=_blank href="http://hadron.kek.jp/~accelerator/TDA/TM/pdf_files/JKJ-ACC-TM-02-31.pdf">http://hadron.kek.jp/~accelerator/TDA/TM/pdf_files/JKJ-ACC-TM-02-31.pdf</a>http://hadron.kek.jp/~accelerator/TDA/TM/pdf_files/JKJ-ACC-TM-02-31.pdf <a target=_blank href="http://www-eng.lbl.gov/~virostek/Inj/Documentation/Photoinj_status.ppt#273,5,Slide">http://www-eng.lbl.gov/~virostek/Inj/Documentation/Photoinj_status.ppt#273,5,Slide</a>http://www-eng.lbl.gov/~virostek/Inj/Documentation/Photoinj_status.ppt#273,5,Slide 5 <a target=_blank href="http://www.isis.rl.ac.uk/accelerator/mice/tr/05/05.01.doc">http://www.isis.rl.ac.uk/accelerator/mice/tr/05/05.01.doc</a>http://www.isis.rl.ac.uk/accelerator/mice/tr/05/05.01.doc Here is a sample input. !!! GEOMETRY /prep7 cylind,RCU,,-LCU/2,LCU/2,,90 cylind,RVOID,,-LVOID/2,LVOID/2,,90 cylind,RVOID,RCU,-LCU/2,LCU/2,,90 vovlap,all /vup,,z /view,,-1,-2,1 vplot !!! EMAG ELEM TYPES & PROPERTIES emunit,mks ! Void et,1,120 mp,murx,1,1 mp,perx,1,1 ! 2 ! Copper (not solved in Emag portion) et,2,120 mp,murx,2,1.0 mp,perx,2,1.0 mp,rsvx,2,RESCU ! Assign Attributes asel,,loc,z,-LCU/2 asel,a,loc,z,LCU/2 vsla cm,Vcopper,volu vatt,2,2,2 vsel,inve cm,Vvoid,volu vatt,1,1,1 allsel cmplot !!! MESH desize,,3,40,,6 vswe,all /pnum,mat,1 /num,1 eplot ! Define components vsel,,,,Vvoid,,,1 asel,r,ext asel,u,loc,x,0 asel,u,loc,y,0 cm,Ainterf,area ! interface areas between void and copper allsel asel,,ext asel,u,loc,x,0 asel,u,loc,y,0 cm,Aouter,area ! copper outer areas (except symmetry planes) vsel,,,,Vvoid asel,,loc,x,0 asel,a,loc,y,0 aslv,r cm,Asymm,area ! symmetry plane areas allsel cmsel,all !!! EMAG B.C's da,Ainterf,ax,0 ! electric wall at interface sfa,Ainterf,,shld,CONDCU,1.0 !with surface shielding properties !!! EMAG EIGENSOLUTION /solu antype,modal hfeigopt,cavity modopt,lanb,1,2.9e9,4.5e9,,on ! normalize to unity mxpand,,,,yes ! calculate element results vsel,,,,Vvoid,,,1 outres,all,1 solve fini /prep7 et,2,90 mp,kxx,2,1 et,1,0 alls fini /solu esel,s,type,,2 ldread,ehflux,1,1,,0,,rmg |
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