WASP-NET Home Pioneer of a New Era in Fast EM CAD and Optimization: Hybrid MM/FE/MoM/FD Technique Four Solvers in one CAD Tool The High-Speed Exact Hybrid Electromagnetics (EM) Based CAD and Optimization SoftwareforWaveguide, Coax, Combline and Antenna Components WASP-Net s top efficiency is based on more than 20 years of renowned research in advanced computational electromagneticsin cooperation with the University of Bremen, Germany Since more than ten years successfully applied by leading space-, wireless-communication- and microwave-companies to reduce design time drastically MiGMicrowave Innovation Group Fahrenheitstr. 11, D Bremen, Germany Phone: Fax: In cooperation with the Microwave Department, University of Bremen, Germany WASP-NET, MiG GmbH & Co. KG, registered HR A 22515 H WASP-NET, MiG GmbH & Co. KG, registered HR A 22515
APPLICATION RANGES Applications Fast exact CAD and optimization of waveguide components, coax components, combline / interdigital filters, aperture antennas. Based on the new hybrid MM/FE/MoM/FD method, WASP-NET combines the high speed of the analytic mode-matching (MM) method with the flexibility of the space discretization finite-element (FE), method-of-moment (MoM), and finite-difference (FD) techniques. WASP-Netis tailored for the fast CAD and optimization of microwave components and aperture antennas. Hhhhh CAD and optimization examples include: Filters (waveguide, combline, interdigital, coaxial, dual-mode, evanescent-mode, corrugated, waffel-iron, ridged waveguide, dielectric resonator, folded, cross-coupled filters, etc.) Diplexers, Multiplexers Couplers Polarizers Phase Shifters Ortho-Mode-Transducers Transformers Transitions Horn Antennas, Horn Clusters, Slot Arrays Feed-Networks Hybrid Junctions, also Compensated Compensated Bends WASP-NET,MiG GmbH & Co. KG, registered HR A 22515 WASP-NET, MiG GmbH & Co. KG, registered HR A 22515
GENERAL FEATURES WASP-NET - serving for over ten years the leaders in international space-, communication- and microwave-industry to cut design time drastically -features a unique comprehensive hybrid EM CAD software: Combining intellegently mode-matching (MM) / finite-element (FE), method-of-moment (MoM), and finite-difference (FD) methods, thus using advantages of all four field solvers in one single CAD tool: Efficiency of the MM flexibility of the FE, MoM, FD methods. WASP-NET includes a user-friendly filter wizard for the fast full-wave filter synthesis. WASP-NET contains three powerful optimizers, by which also toughest component specs can be met within shortest optimization time. The efficient evolution strategy optimizer is capable to find the global minimum. WASP-NET is embedded in a user-friendly graphical user interface, which guides the user to intuitively create designs. Help buttons, immediate graphical visualization of the layout, template wizards, online help, quick start and tutorial manuals, and an extensive pool of typicaldesign examples help to quickly design even complicated components within shortest time dimensions. WASP-NET see cover feature article, Microwave Journal, September 2002 The unquestioned advantage of WASP-NETs comprehensive hybrid approach lies in the immanent opportunity to counter the well known struggle with limitations of the more common utilizing of single or restrictednumber of methods WASP-NET CAD and optimization example: WR-62 E-plane septated T-junction coupled diplexer with compensated corners References WASP-NET,MiG GmbH & Co. KG, registered HR A 22515 GENERAL BACKGROUND, ACCURACY, SPEED Background, Accuracy, Speed
WASP-NET GENERAL BACKGROUND, ACCURACY, SPEED Background, Accuracy, Speed WASP-NET has its origin in the combination of systematically advancing results of over twenty years of renowned research in fast computational electromagnetics at the Microwave Department, Prof. Dr. habil. Fritz Arndt, University of Bremen -documented in more than 200 publications - with most productive longterm interrelations with the practical field. WASP-NET based on the rigorous hybrid mode-matching (MM) / finite-element (FE), method-of-moment (MoM), and finite-difference (FD) method - achieves exact accuracy and extremely high efficiency, taking into account fast changing market dynamics: first pass design success, drastic reduction in time-to-market C-band waffle-iron filter fabricated without any tuning screws Fabrication, photograph, measurements by courtesy of Bosch SatCom, Germany The high calculation speed and accuracy of WASP-NETtogether with its powerful optimizers allow the optimization also of toughest component design problems according to given specs within shortesttime frames References WASP-NET CPU speed: 0.1 seconds per frequency point, 209 modes (2GHz P4PC) WASP-NET,MiG GmbH & Co. KG, registered HR A 22515 WASP-NET FILTER WIZARD Filter Wizard FILTER WIZARD
WASP-NETs user-friendly full-wave filter wizard yields exact synthesis results for all typical cavity coupled waveguide filters within a few minutes Enter desired waveguide and iris / post / or insert type Enter specs Accurate full-wave synthesis results in typically 1 5 min. 2 GHz P4 PC Automatic creation of filter structure Immediate visualization of synthesized filterby WASP-Nets graphics tool WNVisT ; DXF,STL, SAT, OFF format output for postprocessing, e.g. milling machines Example: WR-22 seven resonator filter coupled by one-sided irises with finite radii WASP-NET synthesis speed: About 2 min. for the complete synthesis, 2GHz P4 PC, analysis a few seconds References WASP-NET,MiG GmbH & Co. KG, registered HR A 22515 WASP-NET OPTIMIZERS Optimizers OPTIMIZERS
WASP-NET employs three powerful optimizers: Evolution strategy (which is capable to find the global minimum), robust direct search, and gradient optimizers. Demonstration of successful optimization towards the global minimum by utilizing the efficiency of the evolution strategy optimizer of WASP-NET Example: WR-34 fifteen double-post coupled resonator filter Posts modeled by a new, fast MM / Trans-FE method Half of the filter and double-post element visualized by WASP-NETs graphics tool WNVIsT, giving instant insight into correctness of input data References WASP-NET optimization speed: 0.2 seconds per frequency point, all modes up to TE_27_0, 2GHz P4 PC WASP-NET,MiG GmbH & Co. KG, registered HR A 22515 Some Dates of Company History
WASP-NET Company History MiG Microwave Innovation Group Some Dates of Company History 1993 Founding of MiG, proving since then highly successful on the international space-, wireless-communication and microwave market, having established many most productive relations with leading industry 1999 MiG has countered signs of stagnation in the development of WASP-Net by untertaking farsighted changes in company structures, institutionalizing a more systematic approach to technological development, with the widely acknowledged result of WASP-Net having since then progressed to its characteristic and pioneering features of comprehensively utilizing hybrid methods, proving outstanding innovative potential and unique in exploiting the advantages of four solvers (MM/FE/MoM/FD) within one single CAD tool. 2001 MiG progressed its formal company status from GbR to orderly structures of a GmbH & Co. KG, becoming a registered company (HR A 22515). MiG entering into formal collaboration with the University of Bremen. 2002 / 2003/ 2004 The impressive number of WASP-Net usersextends itself reliably on international level serving us as obligation to deliver to them, also in the years to come, innovative EM CAD software progressions based on systematic research efforts of highest qualification MiGs location at Bremen Innovation and Technology CenterBITZ on the University Campus, University of Bremen WASP-NET,MiG GmbH & Co. KG, registered HR A 22515 EXACT FAST CAD METHODS History Methods
Microwave Department, University of Bremen, Prof. Dr.-Ing. habil. Fritz Arndt 1978 Mode-matching (MM) techniques applied for the CAD of waveguide transformers 1981, 1982 First MM based CAD and optimization of waveguide filters (metal-insert, iris-coupled) 1982 First MM based CAD and optimizationof waveguide branch-guide couplers 1983 First MM based CAD and optimization of waveguide mode sensors by applying the evolution strategy 1984 First MM based CAD and optimization of waveguide polarizers 1985 First MM based CAD and optimization of waveguide filters with improved stopband behavior, and of waveguide phase shifters 1986 First MM based CAD and optimization of waveguide narrow-wall couplers 1986 First hybrid MM / Method-of-Moments (MoM) based analysis of horn clusters 1987 Hybrid MM / Method-of-Moments (MoM) based CAD of waveguide horn antennas 1987 First MM based CAD and optimization of waveguide power dividers, fin-line, ridged waveguide transformers 1987 First MM based CAD and optimization of corrugated low-pass filters 1988 First MM based CAD and optimization of diplexers and multiplexers, already with strong relations to the industry MM CAD and optimization of a Satcom C-Band diplexer (1988) fabricated without tuning screws. Photograph, measurements by courtesy of MBB, Ottobrunn, Germany References History Methods (cntd)
EXACT FAST CAD METHODS History Methods (cntd) Microwave Department, University of Bremen, Prof. Dr.-Ing. habil. Fritz Arndt 1990 First MM based CAD and optimization of elliptic function waveguide filters with stopband poles 1991 First MM based CAD and optimization offilters composed of recatngular and circular waveguide elements 1993 First MM based CAD and optimizationof a corrugated septum OMT 1993 First MM based CAD and optimization of multiport coupled waveguide components 1997 Invited MTT paper on state-of-the-art and ad-vanced CAD with MM and MM/FE hybrid methods 1997 3D finite-difference time-domain method with new subgrid technique without interpolations 1997 FD-TD method with matrix pencil technique 1999 3D MM (cavity mode expansion) for general waveguide multiport junctions 2000 MM/FE method for ridged waveguide and waffle-iron filters 2001 Hybrid MM/TransFE method 2001 Hybrid MM/FE/FD CAD method 2002 Hybrid MM/FE/MoM/FD CAD method 2003 / 2004 Efficiency improvements by advanced techniques, e.g. AIM, extension of applications, e.g. large arrays, combline and ridged wg. components Advanced application of the hybrid MM / FE method for the fast CAD and optimization of combline filters and diplexers References SOME HISTORICAL DATES OF THE CAD TOOL
WASP-NET History WASP-NET SOME HISTORICAL DATES OF THE CAD TOOL 2002Release of pioneering WASP-NET hybrid MM/FE/MoM/FD software: Four solvers within one single CAD tool, combining the speed of MM with the flexibility of FE/MoM/FD.Inclusion of horn antennas, horn clusters, wire antennas, fast combline filter and combline diplexer optimizations, cross-coupled filters Hybrid MM/FE/MoM/FD method first presented onIEEE MTT-S IMS Microwave Symposium Workshop 1990Fast MM CAD and optimization software run modules for industrial applications 1993MiGs software:MM building blocks for circuit based CAD tools,WASP (WAveguide Synthesis Program) MM filter synthesissoftwarewith own graphical user interface, WASP-NET (WAveguide Synthesis Program for NETworks) MM CAD software, WASP-FDTD (3D FD-TD solver) software 2000Release ofWASP-NET hybrid MM/FE CAD and optimization software; improvements in GUI,first graphical output. Extended CAD of waveguide components with arbitrarily shapedcross-sections, such as waffle-iron, ridged waveguide, evanescent mode and dual-mode filters as well as septum polarizers. 2001Release of WASP-NET hybrid MM/FE/FD software for inclusion of arbitrary 3D structures, like coax feeds, combline, interdigital filters. Inclusion of a new hybrid MM/TransFE method. Advanced graphical on-line visualization WNVisT and output (DXF, SAT, STL, OFF). References WASP-NET,MiG GmbH & Co. KG, registered HR A 22515 WASP-NET, MiG GmbH & Co. KG, registered HR A 22515
Journal Articles September 2002: Cover Feature Article in MW Journal Current challenges for EM-based CAD software for microwave components relate to a new quality of efficiency and speed. The direction that CAD tools are taking is towards hybrid methods. The latest WASP-NET CAD and optimization tool addresses these challenges by utilizing fast hybrid methods and employing all four common solvers in one single tool, thus exploiting the benefits of using the efficiency of the mode-matching method together with the flexibility of the FE/MoM/FD techniques. Microwave Department, University of Bremen September 2001: GERMANY, University of Bremen, Microwave Department ... Twenty years of research experience and cooperation between the University of Bremen and the Microwave Innovation Group (MiG) has seen the development of the commercially available WASP-NET, a hybrid MM/FE/FD/MoM CAD software package. Based on research experience in numerical electromagnetics (EM), in particular in MM, FE, FD, MoM and related hybrid techniques, the software package has been created for the robust, fast and rigorous CAD and optimization of all kinds of waveguide components and networks to solve tough real-world design problems in realistsic time dimensions. WASP-NET,MiG GmbH & Co. KG, registered HR A 22515 WASP-NET, MiG GmbH & Co. KG, registered HR A 22515
EVENTS Events WASP-NET and its advanced numerical methods are presented to our customers, interested engineers and the scientific community at numerous exhibitions andworkshops 2003 Exhibitions: MTT-S IMS (Philadelphia, PA), AP-S (Columbus, OH), EuMC (Munich, Germany) 2004 please see us: JUNE 8-10, MTT-S IMS 2004 (Fort Worth, TX), Booth # 715 JUNE 21-23, AP-S 2004 (Monterey, CA), Booth # 28 OCTOBER 11-15, EuMW 2004 (Amsterdam, The Netherlands) NOVEMBER 8-10, JINA 2004 (Nice, France) WASP-NET,MiG GmbH & Co. KG, registered HR A 22515 WASP-NET, MiG GmbH & Co. KG, registered HR A 22515
EVENTS Events Presentation of WASP-NETs new antenna features: Wire antennas, corrugated horns, horn clusters, horns with reflector at JINA 2002 (Nice, France) 2004 please see us: JUNE 8-10,MTT-S IMS 2004 (Fort Worth, TX), Booth # 715 JUNE 21-23, AP-S 2004 (Monterey, CA), Booth # 28 OCTOBER 11-15,EuMW 2004 (Amsterdam, The Netherlands) NOVEMBER 8-10,JINA 2004 (Nice, France) WASP-NET,MiG GmbH & Co. KG, registered HR A 22515 WASP-NET MiG Microwave Innovation Group
Contact Interested how you can join the many in leading space-, wireless-communication and microwave industry who continuously prove a most beneficial utilizing of WASP-Net? CONTACT MiGMicrowave Innovation Group GmbH & Co. KG Electromagnetic Design + CAD Software Fahrenheitstr. 11, D Bremen, Germany Phone: Fax: WASP-NET,MiG GmbH & Co. KG, Dr. Jill Arndt (GM), registered HR A 22515, U ID DE