IBM Release 1.93 specs

POEMS:

A Programmable Optimizing Electro-Magnetic Simulator

Release 1.70

August 21, 2007

Phil Hobbs

IBM T. J. Watson Research Center Yorktown Heights, NY

iii

Image 3

IBM Release 1.93 manual IBM T. J. Watson Research Center Yorktown Heights, NY

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 Program Organization Front-End Script poems.cmdScript Operation Postprocessor Empost Fdtd Engine FIDO/TEMPEST Cluster Control Visualization System VIS5D Parallel Processing Command Reference Poems Command-Line OptionsGlobal Group Hosts FreqLambda Function Macdef Which means that the host’s predefined hostname is not used Print Macro Randomseed SETSimulator Boundary World GroupTitle Verbose Define Material GroupBasicstep Xrange Yrange Parameters epsReal epsImag muReal muImag Object Group BlockFAN Grating HollowboxTiledplane Curve 3DCURVECylinder Source Group Output Group Command Group Webpage Postprocess GroupField CAD Farfield FluxIntegral Modematch List MOVIE3D Movie Slice Dissipation Optimize Group VariablesGuess Limit StorePenalty Merit Schedule Group ParametersRange 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 Worked Example Doped Silica Waveguide Mode Worked Example Glass Ridge Waveguide to Free Space CouplerPredefined Constants Confine Reserved Names Arithmetic Operators Predefined Mathematical Functions Acosh Logical OperatorsABS Acos Elintk ATAN2Ceil COS MIN Integral20. LN MAX Sign RandomROOT1D Round Analytical Pupil Functions Material Parameter FunctionsFlattop Tempest and General Fdtd Information Startup and Steady StateTime step Page Appendix A. V-Antenna Optimization Run Poems Input DIPOLE2I.PAR END Material END Object END World Subdomain ALL END Command END SourceEND Output END Optimize END Postprocess Amplex PhaseexPage Page Page END Tempest Input File DIPOLE2I.PAR.IN Written by Phil Hobbs Pages of pointsource statements omitted DIPOLE2IEXQ Postprocessor orders DIPOLE2I.ORDERSALL DIPOLE2IEXI DIPOLE2IEZQ DIPOLE2IEYIDIPOLE2IEYQ DIPOLE2IEZI POSTPROC.1.PARMSTRING MiddlefluxPOSTPROC.1.NAME Array Amplex FF2 DIPOLE2IPHASEEXArray POSTPROC.2.PARMSTRING DIPOLE2IPZ DIPOLE2IPXPOSTPROC.6.NAME Array Poyntingz Slice Indexn POSTPROC.9.PARMSTRINGPOSTPROC.10.PARMSTRING POSTPROC.11.NAME POSTPROC.14.NAME Slice PoyntingzPOSTPROC.13.COMPARISONDOMAIN DIPOLE2IPZXY0.BMP Slice Amplex POSTPROC.16.COMPARISONDOMAINDIPOLE2IPXZX0.BMP POSTPROC.17.NAME DIPOLE2IDISSZX0.BMP DIPOLE2IPHASEEXXY0.BMPDIPOLE2IPHASEEXZX0.BMP POSTPROC.20.COMPARISONDOMAIN 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 Running Vis5D Release NotesWish list Beta Release Limitations Page Page Index Emdenormal EmunderflowMatlab Maxordersources 81 Maxpointsources