Getting started with hfss v9 for antenna design october, 2003 this getting started training material is intended for new users of hfss. Its just that when receiving, the currents induced on the antenna by the passing em field cause a terminal voltage at the feedpoint of the antenna, which generates a propagating signal down the coax to the receivers input amplifier circuit. Doped semiconductors ntype materials ptype materials diodes and transistors. Paramkusam and t nagarjuna, analysis of planar invertedf antenna using hfss. Assigns total current through the cross section of conductor can be assigned to a face of an object sink should be defined along with current excitation sink 3d only. Models of transmission lines and transitions accurate over 56 frequency decades are required to simulate interconnects for multigigabit serial data channels. Fr4 epoxy material, w is width of the patch, is the dielectric. Go to start menu, and under all programs go to the following program. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Hfss from all other electromagnetic simulators, which typically require manual user controls.
A check box will appear next to a command if the item is vi sible. The microstrip conductor is located at the boundary of two dielectric materials. The ansoft high frequency structure simulator hfss is a fullwave electromagnetic em software package for calculating the electromagnetic behavior of a 3d structure. Hfss quick and complete introduction of hfss tutorials for. Ansys hfss tutorial simulate and analyze an example of trace and via. Pdf high frequency structure simulator hfss tutorial otman.
Semiconductors, diodes, transistors horst wahl, quarknet presentation, june 2001 electrical conductivity. This chapter also computes the rlcg parameters of planar lines using the emsimulators. The information contained in this document is subject to change without notice. For example, if a check box appears next to the project manager command, then the project manager window is currently visible on the desktop. If the electric loss tangent is the same in all directions, use the same value for, and. The higher the frequency, the greater the tendency for this skin effect to occur. Hfss introduction quick and complete introduction of. Rightclick in the toolbars area at the top of the desktop. Specify the dimensions and position with variables. Prototype microstrip antenna a prototype microstrip antenna was fabricated in accordance with the parameters of table 2 with modest dimensional revision resulting from the em simulation to optimize. Now, a 4pole network becomes a 2port and a 2npole becomes an nport. This presentation is one in a series of port tutorials, intended to help users better understand the.
The rectangular patch antenna is designed so that it can operate at the resonance frequency. This paper describes antenna design and simulation with ansys hfss, the industry leading 3d. Iosr journal of electronics and communication engineering iosrjece eissn. The base hfss offering includes 3d and layout interfaces, 2. Click three times in the 3d modeler window to create an arbitrary box. Basic electromagnetic field quantities and, for open. Ansys high frequency structure simulator hfss tutorial indico fnal pdf slides 1.
As an example of this, consider a simple waveguide structure. Hfss offers two different interfaces to same solver to accommodate different workflows 3d view for cad 3d layout view for ecad such as cadence, mentor graphics. Since part of the electric field is located within the substrate material and part in the air, the relative dielectric constant of the substrate must be modified to accommodate the influence of the dielectric. Reference 2 has evaluated the reference 1 equations for various geometric patterns against test pcb samples, finding that predicted accuracy varies according to target impedance.
An explicit ground reference for a single or internal port. Modeling frequencydependent conductor losses and dispersion in serial data channel interconnects yuriy shlepnev. Play with transparency and scale to get the picture close to one on slide 2. With our online resources, you can find hfss tutorial or just about any type of ebooks, for any type of product. Introduction antenna definitions w what is an antenna. Lecture 1 introduction to semiconductors and semiconductor.
Pdf high frequency structure simulator hfss tutorial. To specify the electric loss tangent for an anisotropic material. Chapter 2 application of em simulators for extraction. The reference plane of this port is located directly at the beginning of the. Hfssie can be used to solve for the field propagation through free space and along conductors. I think that the users manual of version 15 does not exist on the internet, but there. Tools options hfss options general tab check use wizards for data input when creating new boundaries check duplicate boundariesmesh operations with geometry click ok. Ansoft hfss 3d boundary manager sources defining terminals port wave ports for projects containing multiconductor transmission line ports, a terminalbased descrip tion in terms of voltages and currents may be more useful than the traditional modebased defining terminals smatrix. Antenna theory halfwave folded dipole tutorialspoint. This presentation will provide a comparison of the technique versus hfss, a discussion of balancing accuracy versus simulation speed, ease of use, and employing hpc.
Anything specifically dealing with modeling of superconducting resonators would also be much appreciated. The demand for a smaller 90degree hybrid coupler with a broader bandwidth is. Ac and dc current this is the third characteristic of electricity. It is also not intended to be the only reference an hfss user should access. It is a compilation of data on radio shacks line of primequality archer semiconductors. For practical reasons, the description in terms of inand outgoing waves has been introduced. The restriction to the flow of electrons through a conductor is called resistance and it is measured in ohms and abbreviated. Design of a rectangular microstrip patch antenna using inset. Hfss regions in siwave with the everincreasing demands and speeds of highspeed pcb channel designs, the speed and accuracy of siwave can be improved by hfss using hfss regions. High frequency structure simulator hfss tutorial prepared by dr. Nandgaonkar, a planar inverted f antenna for wlan, volume 3, issue 2, july september 2012, pp. You can even use a linked hfss simulation as the source. Port refinement, process hf3d error in hfss 15 when i need. Hfss tutorial starting ansoft hfss click themicrosoft start button,select programs and select the ansofthfss9hfss9 or double click the hfss9 icon on the desktop creating projects.
You will be glad to know that right now hfss tutorial pdf is available on our online library. Brennan the physics of semiconductor devices solymar and walsh electrical properties of materials. Ansoft corporation hfss field calculator cookbook cautionary notes the following text provides some brief cautionary notes regarding use of the postprocessor field calculator in ansoft hfss. Specifically, the 90 degree hybrid coupler is utilized in the handset infrastructure because it offers lowloss, high isolation, and exceptional phase and amplitude balance. This is the tutorial video on ansoft hfss software. Open a previously saved project using the fileopen command. Try with eigen mode solver, leave the only dielectric cylinder removing all metal cilinder and pecs.
If you are looking for hfss tutorial then this video playlist will help you to learn antenna. Filter design using ansoft hfss university of waterloo. You will perform a reduce matrix operation, run a frequency sweep, parametric sweep, and plot the results. Techniques for analyzing antenna lattice structures. A pcb via model creating the via model 23 create the vias central barrel create the first cylinder. Ansoft hfss 3d boundary manager go back contents more index boundaries perfect e perfect hnatural finite. For a better understanding have a look at the hfss example called cavity. For transmitting, you generate an rf signal on a conductor. To access online help from the hfss user interface, do one of the following. High frequency structure simulator for 3d electromagenetics hfss is a platform that includes multiple simulation technologies for component or system design. The length of the patch for a rectangular patch antenna normally would be. Ansys high frequency structure simulator hfss tutorial august 16, 2018 1 mark jones pacific northwest national laboratory 82118. A brief tutorial on microstrip antennas part 1 microwaves.
Edge edge or surface edge edge edge edge or surface. The objective is to provide a very thorough introduction to hfss as applied to antenna design, which may be followed stepbystep in hfss with the investment of only a few hours of time. The field calculator hereafter referred to as the calculator interface is shown in figure 1, above. This video demonstrates the use of several modeling tricks in ansys hfss to create a microstrip design and excite it with a lumped port. Hfss introduction quick and complete introduction of hfss. Pec perfect electric conductor will create ideal conditions for the element. The semiconductor reference handbook is intended to be just that a reference handbook. You specify the name of the project when you save it using the filesave or filesave as. Hfss tutorial pdf hfss tutorial pdf are you looking for ebook hfss tutorial pdf. To open a help topic about a specific hfss dialog box, open the dialog box, and then press f1. Hfss tutorial courserepsecen452spring2016 wiki github. Defines total current in ampturns through the conductor can be assigned to the conductor faces that lie on boundary of simulation domain or sheets that lie completely inside the conductor conductor can be defined as solid or stranded incorrect excitation. Im still fairly new to hfss but i did have this problem before.
Aug 30, 2016 22 page ansys, inc page 23an introduction to hfss. Hfss is a highperformance fullwave electromagneticem field simulator for. Required to be defined along with current excitation. Problem description getting started create the 3d model analysis setup. Rectangular waveguide hfss r objective getting started with hfss a tutorial using hfss, simulate an airfilled wr90 waveguide shown above. Port refinement, process hf3d error in hfss 15 when i need to.
The equations quoted below are from reference 1, and are offered here as a starting point for a design, subject to further analysis, testing and design verification. Upon your first start it will state that the libraries have been reset. A brief tutorial on microstrip antennas part 2 microwaves. The gain of these antennas is between the ranges between 8dbi to 20dbi. The absence of the outer conductor for the modal soution at hand causes no reference for the dominant mode enforced by the wave port. Click on hfss analysis setup add frequency sweep select setup1 and click ok general tab.
The objective is to provide a very thorough introduction to hfss as applied to antenna design, which may be followed stepbystep in hfss. Parameters of free space are identical with vacuum. Mine was with a microstrip line and if i remember correctly the wave port did not extend fully and touch both conductors. Simulations with ansys sam posen cornell university presented october th 2010 at hom10 in ithaca, ny. For uptodate information, refer to the hfss installation guide. Overview of hfss fullwave frequencydomain 3d field solver.
Fundamental principles, concepts, and use boundaries examples perfect electric conductor in brief the perfect electric conductor or pec boundary is the hfss default boundary that is applied to all outer faces of the solution space. Rectangular waveguide characterization using hfss 57. How to set lumped port and wave port in hfss youtube. The skin depth of a conductor is defined as the distance in the conductor along the direction of the normal to. Ansys high frequency structure simulator hfss tutorial. Ansys resources simulation articles, webinars, white papers. Problem description getting started create the 3d model analysis setup plot sparameters vs. I am currently working on antenna designing on hfss but due to unavailability of users manual, it is taking more time to understand things. To obtain the field patterns, intrinsic impedance and wavelength for the first 4 modes. Most of the statements below are fairly generalized, and may not apply to all hfss projects. Mar 03, 2018 hfss tutorials for beginners to professionals. Reference conductors are not shown because we are using outer boundary condition as the reference conductor. In fact, the radiation patterns of the microstrip antenna could also be calculated using the vector potential associated with the conductor current.
Antenna theory halfwave folded dipole a folded dipole is an antenna, with two conductors connected on both sides, and folded to form a cylindrical closed shape, to. Apr 19, 2016 every project on github comes with a versioncontrolled wiki to give your documentation the high level of care it deserves. Hi, i was wondering if anybody has resources or examples of how to simulate superconducting circuits in hfss. The thickness of the patch being h with a height and thickness t is supported by a ground plane. A numerical model of a plane wave propagating in free space should be created. The top of the calculator contains the stack, in which calculator entries are held in stack registers. Modeling of conductor surface roughness effect core.