Rectangular waveguide hfss r objective getting started with hfss a tutorial using hfss, simulate an airfilled wr90 waveguide shown above. Apr 19, 2016 hfss add solution setup and frequency sweep. It consists of rectangular substrate and the metal trace layer as shown in fig. The materials properties are rarely measured at high frequencies so the user must measure it themselves. Does anyone have an idea about the wave port or lumped port in hfss,which should be used especially for. I am using hfss v11 to simulate a unit cell in an infinite periodic structure that is excited by a plane wave. Tutorial on saptarshi ghosh, iit kanpur, india modeling of metamaterial absorber structure in ansys hfss saptarshi ghosh thesis supervisor. Similar to performing a floquet mode expansion, lbcs allow imaging of a unit cell into an infinite array of such cells. Simulation of a ring resonator array a frequency selective surface fss is a periodic assembly of one or twodimensional resonant structures, either as apertures in a thin conducting sheet or as metallic patches on a substrate, which may have a bandpass or bandstop function respectively. Probe feed patch antenna2 probe feed patch antenna getting started click the microsoft start button, select all programsansoft hfss 12 hfss 12 or double click on the hfss 12 icon on the windows desktop adding a project and design to insert a design into an open project. For example, if the maximum angular deviation of a cylinder is set to 30 degrees, 12. While defining the number of modes during waveport excitation of patch.
Weassumeyouhavesome experienceofdesigningprojectsusinghfss. Hfss floquet ports getting started with hfss floquet ports ansys,inc 275technologydrive canonsburg,pa15317 tel 17247463304 fax 17245149494. Ansoft hfss mesh menu go back contents index using the same angular surface deviation for large objects and small objects will result in similar faceting fo r similar surfaces, without regard to the objects size. Fundamental principles, concepts, and use slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Ansoft hfss 3d boundary manager go back contents index sources port wave ports lumped gap sources considerations when defining ports incident wave voltage and current sources magnetic bias port by default, the interface between all 3d objects and the background is a perfect e boundary through which no energy may enter or exit. How to excite the array and record the reflection for microstrip. For twodimensional infinite periodic structures in hfss, the slave and master boundaries and floquet port are used. Hfss hybrid technologies the femie hybrid technology is built upon hfss fem, ie mom and the patented ansys domain decomposition method ddm to solve electrically large and complex systems. Periodic boundaries in ansoft hfss w periodic bc, linked bc, masterslave pairs w yeah they are all the same thing. For example, i set the e0 vector to 0,0,1,k vector is 1,0,0, but i want to. Kumar vaibhav srivastava department of electrical engineering indian institute of technology, kanpur, india. Ansys hfss hfss contains multiple simulation engines in one package, each targeted toward a specific application or simulation output. This video coantains design procedures of a square shaped metamaterial unit cell using cst and hfss. Floquet port excites and terminates waves propagating down the unit cell.
Ansys hfss is a 3d electromagnetic em simulation software for designing and simulating highfrequency electronic products such as antennas, antenna arrays, rf or microwave components, highspeed interconnects, filters, connectors, ic packages and printed circuit boards. For example, large amounts of continuous power can be obtained using solar. How do you identify whether to use lumped port or wave. However, keep in mind that the number of modes that are absorbed by the floquet port are determined by. The size of feeding patch and thickness of dielectric. Design and analysis of an xband phased array patch antenna core. Patch antenna design using hfss ozen engineering and ansys. Hfss floquet ports getting started with hfss floquet ports. I have problem about floquet port and masterslave boundary assignment in hfss. Metamaterial unit cell square srr design using cst and hfss part 2. Note that a quarterwave length transformer was used to match the patch to a 50 ohm feed line.
Feb 02, 2016 coaxial feed microstrip patch antenna using hfss 1. How do you identify whether to use lumped port or wave port in a microstrip patch antenna. Metamaterial fss unit cell design using hfss part 1 youtube. The rectangular patch antenna is designed so that it can operate at the resonance frequency. In my design, the unit cell needs to be infinity extended in only one direction and finite in the other direction. Unit cell simulation using master and slave boundary conditions of. Aug 31, 2019 the video demos how to set up periodic boundary and floquet port for fss structure simulation.
Using hfss successfully at 77ghz data sheets give you the dielectric constant and the loss tangent or do they. Hfss masterslave simulation setup of a reflectarray consisting of an aluminum backed mylar substrate of height h, square unit cell periodicity p, and aluminum patch side length l. The base hfss offering includes 3d and layout interfaces, 2. Efficient and accurate simulation of antenna arrays in hfss padt. The video demos how to set up periodic boundary and floquet port for fss structure simulation. Hfss running the simulation and checking the progress. How do you identify whether to use lumped port or wave port. The length of the patch for a rectangular patch antenna normally would be 0. The floquet port is placed at the top of an air box light blue, a master boundary green is shown on the xaxis, and a slave boundary pink is shown at. The reason that i ask this question is that i have seen that in one of ansys tutorials. How to simulate frequency selective surface fss youtube. Simplifying your search query should return more download results.
I am trying to implement microstrip reflectarray antenna in hfss, basic one. Should we use a floquet port in either side of the structure. Contribute to hrg labhuff researchgroup development by creating an account on github. Study of ansoft high frequency structure simulator guided by presented by prof. This workshop is intended to show how to simulate and analyze a microstrip patch antenna using ansys hfss. Analysis and design of rectangular microstrip patch antenna. Hfss floquet port near field analysis floquet port nearfield. Aug 18, 2016 this tutorial covers how to use master slave boundary conditions of hfss to simulate fss in terahertz region.
What is the optimum height of a floquet port over a periodic structure. Thanks a lot for answering folks, i used floquet port and masterslave boundary. Essential questions about using floquet ports in periodic structures. The length of the line must be long enough such that only one propagation mode exists on the reference plane of the port.
P d kale mithilesh naphade payal wankhade dipika deotalu. If you continue browsing the site, you agree to the use of cookies on this website. In this post, ill show you how to connect two separate ovs bridges using a patch port, and then well. If my fss structure has some rlc component, is that ok to simulate the hfss. Pdf high frequency structure simulator hfss tutorial. Spurred to action by a brief mention at the bottom of a blog post, i began digging into the use of patch ports to connect multiple open vswitch ovs bridges. The measure data dialog appears, and the create line dialog tells you to draw the a lattice vector on the plane of the face. Example unit cell analysis infinite array analysis of an open ended waveguide with plug array this example is intended to show you how to setup and postprocess an a phased array using unit cell analysis using hfss. However, unlike a waveguide simulator, lbcs permit unconstrained userassigned field relationships between the master and slave boundaries composing the lbc pair.
This tutorial covers how to use master slave boundary conditions of hfss. Techniques for analyzing antenna lattice structures richard remski, matt commens, and john silvestro ansoft corporation wireless and microwave technology conference tutorial session ra2 thursday, april 07, 2005 clearwater, fl. Nov 27, 2012 connecting ovs bridges with patch ports 27 nov 2012 filed in tutorial. It also covers how to change the angle of incidence with the help of floquet ports.
Floquet port 12 introduction floquet ports in hfss the floquet port in hfss is used exclusively with planarperiodic structures. What is the optimum height of a floquetport over a periodic structure. I want to design a patch antenna b y using cst software but i am facing a problem with boundaries conditions. Compute the reflection and transmission coefficients of a frequency selection surface. Hfss filter design finite element method normal mode. Hfss assumes that the wave port is connected to a semiinfinite long waveguide that has the same crosssection and. Floquet ports in hfss the floquet port in hfss is used exclusively with planarperiodic structures. Techniques for analyzing antenna lattice structures. In the process of simulating a periodic his, a floquetport needs to be. Unit cell simulation using master and slave boundary.
High frequency structure simulator for 3d electromagenetics hfss is a platform that includes multiple simulation technologies for component or system design. Chief examples are planar phased arrays and frequency selective surfaces when these may be idealized as infinitely large. Hfss tutorial courserepsecen452spring2016 wiki github. The following tutorial is for ebg simulation using cst. Journal of computing design of coaxial fed microstrip patch. To model the infinite plane wave i am using masterslave boundaries with a floquet port. For example, figure 4 shows a microstrip patch antenna that we. What is the optimum height of a floquetport over a periodic. Connecting ovs bridges with patch ports scotts weblog. Hfss is a highperformance fullwave electromagneticem field simulator for arbitrary 3d volumetric. The analysis of the infinite structure is then accomplished by analyzing a unit cell.
In the study, simulations are conducted using hfss program with floquet port incidence. How to assign floquet port and masterslave vector direction. Ender ozturk postdoctoral researcher north carolina. What is the optimum height of a floquetport over a. To obtain the field patterns, intrinsic impedance and wavelength for the first 4 modes.
First the model of the microstrip patch antenna has to be drawn in hfss. A unit cell with two cycles of phase range and very low reflection loss is designed. Ansys high frequency structure simulator hfss tutorial indico fnal. For example, figure 4 shows a microstrip patch antenna that we intend to. Portlumped portfloquet portincident wavevoltage source current source. This video demonstrates the use of several modeling tricks in ansys hfss to create a microstrip design and excite it with a lumped port. Fssfloquet the video demos how to set up periodic boundary and floquet port for fss structure. Tutorial on modeling of metamaterial structure in ansys hfss. The device must be connected by a section of transmission line or waveguide supporting traveling waves. How far from my structure must the floquet port be to give accurate resluts. The dimensions of antenna can be found in the hfss simulation file. Hfss simulation of one direction periodic strucutres. Metamaterial srr unit cell permittivity, permeability from.
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