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Contents

IBM T. J. Watson Research Center Yorktown Heights, NY Page IBM T. J. Watson Research Center Yorktown Heights, NY HOW Poems Works Using Poems Motivation Chapter Introduction Philosophy Optimization StructurePage Poems system organization Script Operation Program OrganizationFront-End Script poems.cmd Postprocessor Empost Fdtd Engine FIDO/TEMPEST Cluster Control Visualization System VIS5D Parallel Processing Global Group Command ReferencePoems Command-Line Options Lambda FreqFunction Hosts Macdef Which means that the host’s predefined hostname is not used Print Macro Simulator RandomseedSET Title World GroupVerbose Boundary Basicstep Material GroupXrange Yrange Define Parameters epsReal epsImag muReal muImag FAN Object GroupBlock Tiledplane GratingHollowbox Cylinder Curve3DCURVE Source Group Output Group Command Group Field Postprocess GroupCAD Webpage Integral FarfieldFlux Modematch List MOVIE3D Movie Slice Dissipation Guess Optimize GroupVariables Penalty Merit LimitStore Range Schedule GroupParameters Symmetry Computational Domain Objects Materials Perfectly-Matched Layers Plane Waves Page Beam Sources Merit Functions Optimization Phase uniformity across a plane 10 Optimized V antenna refractive Worked Example Optimizing a V AntennaPage Predefined Constants Worked Example Doped Silica Waveguide ModeWorked Example Glass Ridge Waveguide to Free Space Coupler Confine Reserved Names Arithmetic Operators Predefined Mathematical Functions ABS Logical OperatorsAcos Acosh Ceil ATAN2COS Elintk 20. LN IntegralMAX MIN ROOT1D RandomRound Sign Flattop Analytical Pupil FunctionsMaterial Parameter Functions Time step Tempest and General Fdtd InformationStartup and Steady State Page Appendix A. V-Antenna Optimization Run Poems Input DIPOLE2I.PAR END Material END Object END World Subdomain ALL END Output END CommandEND Source END Optimize END Postprocess Amplex PhaseexPage Page Page END Tempest Input File DIPOLE2I.PAR.IN Written by Phil Hobbs Pages of pointsource statements omitted ALL Postprocessor orders DIPOLE2I.ORDERSDIPOLE2IEXI DIPOLE2IEXQ DIPOLE2IEYQ DIPOLE2IEYIDIPOLE2IEZI DIPOLE2IEZQ POSTPROC.1.NAME MiddlefluxArray Amplex POSTPROC.1.PARMSTRING Array DIPOLE2IPHASEEXPOSTPROC.2.PARMSTRING FF2 POSTPROC.6.NAME DIPOLE2IPXArray Poyntingz DIPOLE2IPZ POSTPROC.10.PARMSTRING POSTPROC.9.PARMSTRINGPOSTPROC.11.NAME Slice Indexn POSTPROC.13.COMPARISONDOMAIN Slice PoyntingzDIPOLE2IPZXY0.BMP POSTPROC.14.NAME DIPOLE2IPXZX0.BMP POSTPROC.16.COMPARISONDOMAINPOSTPROC.17.NAME Slice Amplex DIPOLE2IPHASEEXZX0.BMP DIPOLE2IPHASEEXXY0.BMPPOSTPROC.20.COMPARISONDOMAIN DIPOLE2IDISSZX0.BMP DIPOLE2IEXQZX0.BMP POSTPROC.24.COMPARISONDOMAIN Run Results DIPOLE2I.SIMPLEX Page Page Page Page Page Tempest patches Fdtd and Tempest Tempest limitations Advice common to all or most Fdtd programs Sample X11 Configuration Window System Configuration Wish list Running Vis5DRelease Notes Beta Release Limitations Page Page Matlab IndexEmdenormal Emunderflow Maxordersources 81 Maxpointsources