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VEMSA3D is a free and open-source software code developed by the Antennas Research Group at the Democritus University of Thrace. It offers a comprehensive simulation platform for studying the electromagnetic characteristics of 3D antennas. This tool provides unique features and surpasses restrictions imposed by other commercial or freeware simulators.
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Antennas Research Group / Democritus University of Thrace Christos Koutsos, Nikolitsa Yannopoulou and Petros Zimourtopoulos VEMSA3D A floss Visual ElectroMagneticsSimulator for 3DAntennas 33rd TSP 2010
VEMSA3D - Ancestors : 1/2 ThinWire 1980 RichWire 1990
VEMSA3D - Ancestors : 2/2 WWW Virtual Reality 1995 RadPat4w 2000
VEMSA3D - Simulation Results : 1/2 2D and 3D E - U Radiation Patterns Industrial StandardThe Half-wave Dipole : 9 modes
VEMSA3D - Simulation Results : 2/2 Commercial Antenna HUF TV : 723 modes
VEMSA3D - Comparison - Simulation Results with Measurements : 1/4 Experimental Antenna Array of 2 dipoles : 73 modes
VEMSA3D - Comparison - Simulation Results with Measurements : 2/4 Amateur Antenna"Hentenna" : 109 modes
VEMSA3D - Comparison - Simulation Results with Measurements : 3/4 Experimental Antenna Monopole over a counterpoise : 167 modes
VEMSA3D - Comparison - Simulation Results with Measurements : 4/4 Experimental AntennaA Monopole over a Counterpoise over a Wired-Disk : 2,594 modes
VEMSA3D - Comparison with Freeware 4NEC2X : 1/2 Antenna on Airplane VEMSA3D : 391 modes
VEMSA3D - Comparison with Freeware 4NEC2X : 2/2 Horn with Bow-Tie feeder, by Pittra and Raida, 2010 1,370 modesfrom 1,206 segments =< 1,500 max segments of 4NEC2X
VEMSA3D : Improvements Old Version 1.0 Short Cross Antenna - - - - - - - - - - - - - - - - - - - - - - New version 1.1 - - - - - - - - - - - - - - - - - - - - - - - Theta-Pattern Phi-Pattern Total Pattern
VEMSA3D - Unique Characteristics : 1/3 VEMSA3D is developed in C++ as /F/L/O/S/S/ Free Libre Open Source Software
VEMSA3D - Unique Characteristics : 2/3 Horn with Bow-Tie feeder, by Pitra and Raida, 2010 3,266 points - 4,362 segments5,458 modes
VEMSA3D - Main Conclusions VEMSA3D - is only limited by computing resourves and time, - is Free Libre Open Source Software Code for everybody, - is expandable by anyone, -surpasses any restriction imposed by any authority on modeling points, segments or modes of any other Visual Electromagnetics Antenna Simulator, either freeware or commercialware.
33rd TSP 2010 VEMSA3DSource Code, Updated Material www.antennas.gr/floss code.google.com/p/rga/ Thank you for your attention Antennas Research Group, Palaia Morsini, Xanthi, Thrace, Hellas, EU