Ansys HFSS

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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  that offers multiple state-of-the-art solver technologies.[1]  Each solver in ANSYS HFSS is an automated solution processor for which the user dictates the geometry, properties of the material and the required range of solution frequencies.[2]

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.[3]

The benefits of simulating a circuit’s high frequency behavior with high accuracy on a computer reduces the final testing and verification effort of the system as well as mitigating the necessity of building costly multiple prototypes, saving both time and money in product development.[4]

HFSS captures and simulates objects in 3D,  accounting for materials composition and shapes/geometries of each object. HFSS is one of several commercial tools used for antenna design, and the design of complex radio frequency electronic circuit elements including filters, transmission lines, and packaging. It was originally developed by Professor Zoltan Cendes and his students at Carnegie Mellon University. Prof. Cendes and his brother Nicholas Cendes founded Ansoft and sold HFSS stand-alone under a 1989 marketing relationship with Hewlett-Packard, and 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 the HP's need for an optimization capability for HFSS.[6] After various business relationships over the period 1996–2006, HP (which became Agilent EEsof EDA division) and Ansoft went their separate ways:[7] Agilent with the critically acclaimed[8] FEM Element and Ansoft with their HFSS products, respectively. Ansoft was later acquired by Ansys.

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. Retrieved 2022-03-04.
  3. ^ "ANSYS HFSS: Everything to Know - Explore the Future of Engineering: 3D Modeling, CAD and More". 2020-01-04. Retrieved 2022-03-04.
  4. ^ "Latest HFSS Release Improves Speed and Accuracy". www.microwavejournal.com. Retrieved 2022-03-04.
  5. ^ 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. ^ HP Acquires Optimization Systems Associates, Expands CAE Software Portfolio[dead link]
  7. ^ ...In July 2001 Ansoft announced that it would purchase Agilent's HFSS product line...[dead link]
  8. ^ "Max's Chips and Dips: Cool News from Agilent EEsof". Archived from the original on 2008-06-07. Retrieved 2008-02-14.

External links[]


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