Ansys HFSS

Ansys HFSS
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Examples of estimated bandwidth of different antennas according to the schedule VSWR and return loss by the help of the ANSYS HFSS[1]

Ansys HFSS (high-frequency structure simulator)  is a commercial finite element method solver for electromagnetic (EM) structures from Ansys.[1]

Engineers use Ansys HFSS primarily to design and simulate high-speed, high-frequency electronics in radar systems, communication systems, satellites, ADAS, microchips, printed circuit boards, IoT products, and other digital devices and RF devices. The solver has also been used to simulate the electromagnetic behavior of objects such as automobiles and aircraft. ANSYS HFSS allows system and circuit designers to simulate EM issues such as losses due to attenuation, coupling, radiation and reflection.[2]

The benefits of simulating a circuit's high frequency behavior with high accuracy on a computer reduce the final testing and verification effort of the system as well as mitigating the necessity of building multiple costly prototypes, saving both time and money in product development.[3]

History

HFSS was originally developed by Professor Zoltan Cendes, Ph.D., and his students at Carnegie Mellon University. It was the first general purpose software product to solve arbitrary 3D EM field problems,[4] including EM energy distribution and S parameters in complex structures.

In 1984, Dr. Cendes founded Ansoft Corporation to design and develop high performance EDA software. He served as its chairman and chief technology officer until 2008, when Ansys acquired Ansoft.[5][6]

Ansoft originally sold HFSS as a stand-alone product under an agreement with Hewlett-Packard. It was also bundled into Ansoft products.[5]

In 1997 Hewlett-Packard acquired Optimization Systems Associates Inc. (OSA), a company John Bandler founded in 1983. HP's acquisition was driven by HP's need for an optimization capability for HFSS.[7][8] After various business relationships over the period 1996–2006, HP (which became Agilent EEsof EDA division) and Ansoft went their separate ways:[9]

Over time, Ansys HFSS introduced a number of new technologies in computational EM simulation, including automatic adaptive mesh generation, tangential vector finite elements, transfinite elements, and reduced-order modeling.[10]

References

  1. ^ a b I. Sliusar, V. Slyusar, S. Voloshko, A. Zinchenko, Y. Utkin. Synthesis of a Broadband Ring Antenna of a Two-Tape Design. // 12th International Conference on Antenna Theory and Techniques (ICATT-2020), 22 – 27 June 2020, Kharkiv, Ukraine.
  2. ^ "ANSYS HFSS: Everything to Know - Explore the Future of Engineering: 3D Modeling, CAD and More". 2020-01-04. Archived from the original on March 7, 2021. Retrieved 2022-03-04.
  3. ^ "Latest HFSS Release Improves Speed and Accuracy". www.microwavejournal.com. Retrieved 2022-03-04.
  4. ^ Cendes, Zoltan (2016-06-01). "The development of HFSS". 2016 USNC-URSI Radio Science Meeting. pp. 39–40. doi:10.1109/USNC-URSI.2016.7588501. ISBN 978-1-5090-2852-8. S2CID 22308192.
  5. ^ a b Q&A With Zoltan Cendes, Founder, Chairman, And CTO Of Ansoft Corporation, by Jim Pomager, Editor in Chief, RF Global Net Archived 2007-10-27 at the Wayback Machine
  6. ^ EDN (21 August 2001). "Ansoft Purchases High-frequency Structure Simulator (HFSS) Product Line from Agilent Technologies".
  7. ^ "HP Acquires Optimization Systems Associates, Expands CAE Software Portfolio". Archived from the original on 2017-01-26. Retrieved 2016-12-11.
  8. ^ "Empipe3D, Version 3.5, Technical Brief". Archived from the original on 1997-05-15. Retrieved 2022-07-14.
  9. ^ "...In July 2001 Ansoft announced that it would purchase Agilent's HFSS product line..." Answers.com. Archived from the original on 2013-11-04. Retrieved 2008-02-14.
  10. ^ Cendes, Zoltan (June 2016). "The development of HFSS". 2016 USNC-URSI Radio Science Meeting. pp. 39–40. doi:10.1109/USNC-URSI.2016.7588501. ISBN 978-1-5090-2852-8. S2CID 22308192.

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