Sample problem for tuning elliptical cavity (end cell) Design beta = 0.61 Resonant frequency = 805 MHz, Bore radius = 4.3 cm Left side from 61B cavity Right side tuned by adjusting dome size ® KPROB=1 ; SUPERFISH problem MAT=1 ; Material air or empty space FREQ=805 ; Mode frequency FREQD=805 ; Design frequency, for transit-time factors BETAD=0.610075387553612 ; Design beta IBETA=2 ; Make T vs beta table, use electrical center BETA1=0.55 ; Starting velocity for table BETA2=0.7 ; Ending velocity for table DBETA=0.1D-001 ; Velocity increment for table NBSUP=1,NBSLO=0,NBSRT=0,NBSLF=1 ; Boundary conditions LINES=1 ; Fix internal points on line regions ICYLIN=1 ; X=>Z,Y=>R, cylindrical coordinates NORM=1 ; Normalize to EZEROT EZEROT=812954.5635321 ; Accelerating field times T SCCAV=9 ; 9-cell superconducting cavity RMASS=-2 ; Rest mass value or indicator EPSO=1.0E-6 ; Mesh optimization convergence parameter IRTYPE=1 ; Rs method: Superconductor formula TEMPK=2 ; Superconductor temperature, degrees K TC=9.2 ; Critical temperature, degrees K RESIDR=0.2D-007 ; Residual resistance XDRI=34. ; Drive point X coordinate YDRI=14.5 ; Drive point Y coordinate DSLOPE=-1 ; Allow convergence in 1 iteration DX=0.1 ; Mesh spacing in X direction DY=0.1 XMIN=-24.68 ; X line-region physical locations: XREG=-24.68,-5.68,5.68,17.04,28.4,39.76,51.12,62.48, XMAX=78.48 ; Largest X coordinate in problem ;X line-region logical locations: KREG=1,191,305,419,533,647,761,875, KMAX=1035 YMAX=16.697634300792 & ; Largest Y coordinate in problem ; Start of boundary points &PO X=0,Y=0 & &PO X=-24.68,Y=0 & &PO X=-24.68,Y=4.3 & &PO X=-17.68,Y=4.3 & &PO X=-17.68,Y=6.5 & &PO X=-5.68,Y=6.5 & &PO NT=2,X0=-5.68,Y0=8.44831529555698, A=1.29887686370472,AOVRB=0.6666666666667, X=1.25569794125689,Y=-0.49818020999319 & &PO X=-3.38231547935359,Y=13.859534629541223 & &PO NT=2,X0=0,Y0=13.2631411532633, A=3.43449314752873,AOVRB=1, X=0,Y=3.43449314752873 & &PO NT=2,X0=0,Y0=13.2414631721454, A=3.45617112864658,AOVRB=1, X=3.43040935315201,Y=0.421201306144 & &PO X=4.35523710310663,Y=6.130546896454694 & &PO NT=2,X0=5.68,Y0=6.60063554087564, A=1.35331502404461,AOVRB=0.5882352941177, X=0,Y=-2.30063554087564 & &PO NT=2,X0=5.68,Y0=6.60063554087564, A=1.35331502404461,AOVRB=0.5882352941177, X=1.32476289689337,Y=-0.470088644420945 & &PO X=7.88533993622555,Y=13.3022713612962 & &PO NT=2,X0=11.36,Y0=12.8756367510788, A=3.50075415438223,AOVRB=1, X=0,Y=3.50075415438223 & &PO NT=2,X0=11.36,Y0=12.8756367510788, A=3.50075415438223,AOVRB=1, X=3.47466006377445,Y=0.426634610217405 & &PO X=15.7152371031066,Y=6.13054689645469 & &PO NT=2,X0=17.04,Y0=6.60063554087564, A=1.35331502404461,AOVRB=0.5882352941177, X=0,Y=-2.30063554087564 & &PO NT=2,X0=17.04,Y0=6.60063554087564, A=1.35331502404461,AOVRB=0.5882352941177, X=1.32476289689337,Y=-0.470088644420945 & &PO X=19.2453399362255,Y=13.3022713612962 & &PO NT=2,X0=22.72,Y0=12.8756367510788, A=3.50075415438223,AOVRB=1, X=0,Y=3.50075415438223 & &PO NT=2,X0=22.72,Y0=12.8756367510788, A=3.50075415438223,AOVRB=1, X=3.47466006377445,Y=0.426634610217405 & &PO X=27.0752371031066,Y=6.13054689645469 & &PO NT=2,X0=28.4,Y0=6.60063554087564, A=1.35331502404461,AOVRB=0.5882352941177, X=0,Y=-2.30063554087564 & &PO NT=2,X0=28.4,Y0=6.60063554087564, A=1.35331502404461,AOVRB=0.5882352941177, X=1.32476289689337,Y=-0.470088644420945 & &PO X=30.6053399362255,Y=13.3022713612962 & &PO NT=2,X0=34.08,Y0=12.8756367510788, A=3.50075415438223,AOVRB=1, X=0,Y=3.50075415438223 & &PO NT=2,X0=34.08,Y0=12.8756367510788, A=3.50075415438223,AOVRB=1, X=3.47466006377445,Y=0.426634610217405 & &PO X=38.4352371031066,Y=6.13054689645469 & &PO NT=2,X0=39.76,Y0=6.60063554087564, A=1.35331502404461,AOVRB=0.5882352941177, X=0,Y=-2.30063554087564 & &PO NT=2,X0=39.76,Y0=6.60063554087564, A=1.35331502404461,AOVRB=0.5882352941177, X=1.32476289689337,Y=-0.470088644420945 & &PO X=41.9653399362256,Y=13.3022713612962 & &PO NT=2,X0=45.44,Y0=12.8756367510788, A=3.50075415438223,AOVRB=1, X=0,Y=3.50075415438223 & &PO NT=2,X0=45.44,Y0=12.8756367510788, A=3.50075415438223,AOVRB=1, X=3.47466006377445,Y=0.426634610217405 & &PO X=49.7952371031066,Y=6.13054689645469 & &PO NT=2,X0=51.12,Y0=6.60063554087564, A=1.35331502404461,AOVRB=0.5882352941177, X=0,Y=-2.30063554087564 & &PO NT=2,X0=51.12,Y0=6.60063554092135, A=1.3533150240715,AOVRB=0.5882352941177, X=1.32476289691969,Y=-0.470088644430285 & &PO X=53.32533993622555,Y=13.3022713611182 & &PO NT=2,X0=56.8,Y0=12.8756367509008, A=3.50075415438223,AOVRB=1, X=0,Y=3.50075415438223 & &PO NT=2,X0=56.8,Y0=13.0134952202846, A=3.36289568499839,AOVRB=1, X=3.32713555607926,Y=0.489117960878506 & &PO X=61.26466032221161,Y=5.76480881077776 & &PO NT=2,X0=62.48,Y0=6.1668062718517, A=1.24453751456786,AOVRB=0.6666666666667, X=0,Y=-1.8668062718517 & &PO X=78.48,Y=4.3 & &PO X=78.48,Y=0 & &PO X=0,Y=0 &