Hfss software is the industrystandard simulation tool for 3d fullwave electromagnetic field simulation. Figure 7 omitted again maximum value of directivity using far field set is computed and found to be 1. Dec 03, 2014 this video coantains design procedures of a square shaped metamaterial unit cell using cst and hfss. Global material database the global material database is the primary material database used throughout all maxwell software. Introduction to metamaterial applications and simulation. Design of metamaterials in hfss and extraction of permittivity and permeability using nrw method monika dhillon and pradeep dimri. In my opinion comsol is going to overcome metamaterial simulation market due to its enhaced functionality but difficult to start with. Ansoft hfss material manager go back contents index nonlinear materials in ansoft hfss, select bh nonlinear material to define a ferrite. This chapter describes the transmission line approach to realise metamaterial for designing resonating antennas. To obtain the field patterns, intrinsic impedance and wavelength for the first 4 modes. 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.
Metamaterial unit cell square srr design using cst and hfss part. The metamaterial phase shifter structure was modeled in the hfss environment. Highly directive patch antenna using planar metamaterial. Hfss technology provides e and hfields, currents, sparameters and near and far radiated field results. Two waveguide ports were set at the top and bottom of the yaxis, the substrate.
Design of square split ring resonator shaped metamaterial. In this paper, we present the design, and simulation of a double sshaped metamaterial in the microwave range. Special materials include frequency dependent models, anisotropic and ferrite materials, and computational extensions to the fdtd method such as subcellular thin wires and timedependent switches. We know that in the propagation of wave through any material, permittivity and permeability play a significant role. Introduction to metamaterial applications and simulation with. It was originally developed by professor zoltan cendes. May 21, 2016 performance analysis of dual layer stacked swastika shaped patch antenna with a meta material structured ground plane for satellite communication and radar applications abstract. Ansoft hfss material manager go back contents index material database the material database consists of a group of predefined materials that may be assigned to individual objects in a model. Simulation results show a reduction in the size of the antenna reaches 83% relative to the s band operating frequency. Simulation setup meta material unit cell is designed and simulated using the hfss software based on finite element method.
Can you provide any material to design metamaterial antenna in. Software used to design microstrip patch antenna hfss is commercial finite element method solver for electromagnetic structures from ansys corp. Ansoft hfss user manual ansoft, llc ansys simulation driven product development ansys has pioneered the development and application of simulation methods to. Design and simulation of rectangular microstrip patch antenna.
The software tool hfss is used because it is a high performance full wave electromagnetic em field simulator for arbitrary 3d volumetric passive device modeling 8. Designing and simulation of the proposed structure has been done by using hfss software. Meta material microwave components and filters 19 fig 3. Design and simulation of rectangular microstrip patch. And from above work done i conclude the following points. Mtm metamaterial, lhm left handed material, ttsr two turn spiral resonator, nbsr non bianisotropic spiral resonator, mng mue negative material. We know that in the propagation of wave through any material, permittivity and permeability play a. Metamaterial fss unit cell design using hfss part 1 youtube. This model is fabricated and measurement done using vector network analyzer. Mtm meta material, lhm left handed material, ttsr two turn spiral resonator, nbsr non bianisotropic spiral resonator, mng mue negative material. Model setup of the metamaterial phase shifter in hfss with detailed dimensions. Us e ferrite materials to model the interaction between a microwave signal and a ferrite material whose magnetic dipole moments are aligned with an applied bias field.
Remcoms xfdtd software performs em simulations of devices containing metamaterials with unusual or frequency dependent properties. I have design an antenna using meta material in hfss. Wilson national aeronautics and space administration glenn research center cleveland, ohio 445. Metamaterials are rapidly becoming a key research topic in todays leading academic and commercial laboratories. The software was developed and released by ansys inc headquartered in pennsylvania, united states. The effect of metasurface element dimensions on the reflection phase is also discussed. I am trying to simulate a 3d metamaterial cylinder. 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. Though it is not required, it is sometimes good to use the validation check to make sure there are no obvious errors in your design no ports defined, no solution setup, invalid object geometry, etc. The proposed antenna is designed to resonate atghz 9.
Simulation of simultaneously negative medium metamaterials. Design of miniaturized meta material circular patch antennas. A comparison between results of the two antennas is done. This metamaterial is embedded in the middle of the antennas substrate such that the center of patch coincides with the center of the metamaterial. A comparison of ansoft hfss and cst microwave studio.
Attend this webinar for an introduction to metamaterials, including some of the applications that benefit from metamaterials and how they are analyzed with hfss. The student community is a public forum for authorized ansys academic product users to. Analysis must include first three modes te10, te20, te01 3. Hfss 14 commercial software is used for simulation of the design. With rtduroid as a substrate and inserting meta material inspired dgs, various parameters like return loss, bandwidth, gain, have been improved.
Metamaterials are rapidly becoming a key research topic in todays. Hfss is a commercial finite element method solver for electromagnetic structures from ansys. Cst and hfss, which is better for metamaterial simulations. Students registered in ece451 can get free access to ansys hf package from the university of illinois software webstore. Getting started with hfss v9 for antenna design october, 2003 this getting started training material is intended for new users of hfss. Introduction to metamaterial applications and simulation with ansys hfss webinar. This video coantains design procedures of a square shaped metamaterial unit cell using cst and hfss. 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. Each hfss solver incorporates a powerful, automated solution process, and solver technologies based on finite element, integral equation, or advanced hybrid methods to solve a variety of applications including microwave, rf, and highspeed digital. Discussion closed this discussion was created more than 6 months ago and has been closed.
This chapter contains the design and simulation of dng metamaterial antennas. Numerous materials exist that have unusual or frequency dependent properties. Proper description of assigning the boundaries and. Design and study of waveguide using hfsshigh frequency. According to existing documentation, the metamaterials have relative permittivity andor relative permeability of values less than 1, including negative values. Simulation and fabrication of broadband tunable phase. They find using loworder equivalentcircuit model that the resonance frequency of the structure is 106mhz, higherorder model shows 183mhz and full wave simulation shows real resonance frequency to be 250mhz. The metamaterial unit cell using via and microstrip gaps is focused here. Design and simulation of double s shaped metamaterial. I am new to designing meta material antenna in hfss. I want to simulate a metamaterial unitcell in hfss, but i dont know how must the. This is a classic example of a metamaterial that can achieve negative refractive index. Its capabilities include circuit simulation, automatic adaptive meshing, antenna array simulation, and others.
Using comsol multiphysics software to model anisotropic. Hfss running the simulation and checking the progress github. Proper description of assigning the boundaries and feeding mechanism was also mentioned. Ive already investigated the farfield behavior by simulating a unitcell, utilizing masterslave boundaries to force the unitcell behavior to be replicated and forcing a plane wave to impinge upon the infinite sheet of metamaterial by utilizing perfect e and perfect h boundaries on my ports. The design tool is the hfss software which uses the finite element method. Ansys hfss 15 is a reliable application for electronic devices with support for electromagnetic study and reliable simulation features. We have assigned a new meta material which is placed 3. Design and experimental characterization of spiral resonator. Unit cell simulation using master and slave boundary conditions of. I want to simulate a metamaterial unitcell in hfss, but i dont know. In particular the complementary split ring resonator which establishes a negative permittivity at resonance computer simulation technolog15.
Create a box around your single metamaterial element, such as an split ring resonator srr. The area of the proposed patch antenna is reduced about 73. Intrinsic to the success of hfss software as an engineering. A rectangular waveguide supports tm and te modes but not tem waves because we cannot define a unique voltage since there is only one conductor in a rectangular waveguide. Hfss tr high frequency structure simulator for 3d electromagenetics hfss is a platform that includes multiple simulation technologies for component or system design. The base hfss offering includes 3d and layout interfaces, 2. Introduction to metamaterial applications and simulation with ansys. It integrates simulation, visualization, solid modeling, and automation in an easy way to learn environment where solutions to. Hfss and cst simulations, once simulation setup and parameters are correctly chosen. The extraction of effective parameters by the method of reflection transmission coefficients demonstrates the metamaterial behavior of the said structure. Rectangular waveguide hfss r objective getting started with hfss a tutorial using hfss, simulate an airfilled wr90 waveguide shown above.
Jan 20, 2020 ansys hfss is an rf and microwave modeling solution for businesses of all sizes. Metamaterial fss unit cell design using hfss part 1. It will consist of background presentations and discussion, applications and analysis examples with hfss and presentations from academia and industry. Uwb metamaterialloaded antenna for cband applications. An electrical model to design a metamaterial left hand. Ansys has recently integrated antenna and radio frequency rf simulation software savant 5. In this paper, we try to increase spatial scanning using the substrate of the metamaterial, in addition to minimizing the dimensions of the antenna. Unit cell simulation using master and slave boundary conditions of hfss. Design and simulation of rectangular microstrip patch antenna loaded with metamaterial structure. Metamaterial unit cell square srr design using cst and hfss.
The example shows some of the most important points of metamaterial simulation and characterization, including the boundary and port definitions, solution setup, and even effective parameter. Special materials include frequency dependent models, anisotropic and ferrite materials. The software tool hfss is used because it is a high performance full wave electromagnetic em field simulator for arbitrary 3d volumetric passive device. Using comsol multiphysics software to model anisotropic dielectric and metamaterial effects in foldedwaveguide travelingwave tube slowwave circuits david p. Metamaterial unit cell square srr design using cst and hfss part 1. Phase characteristics of subwavelength antenna elements for. A parameterretrieval method using the s parameters is used to calculate the curves for the complex permittivity and permeability of the metamaterial based on its unit element. May 02, 2015 by applying the concept of fractal geometry on the shape, a selfsimilar structure has been obtained.
Hfss offers multiple stateof theart solver technologies based on either the proven finite element method or the well established integral equation. Follow the installation guide to install the software on your pc. Hfss metamaterial nearfield simulation hello, try to use he field symmetry in your structure to reduce the structure size in hfss and in this way you will simulate half of your actual structure and ll get results of the whole structure. The hfss features goldstandard accuracy, and advanced solver and highperformance computing technology, making it ideal for designing highfrequency and highspeed electronics found in communication systems, radar systems, satellites, smart phones, and tablet devices. We have assigned a new metamaterial which is placed 3. I am not able to open up hfss for now, but i believe you can use the sheets to define solids. Completed leaky wave antenna with feed sections 21 fig 3. Smith ohio aerospace institute brook park, ohio 44142 jeffrey d. How to simulate metamaterial antenna using hfss quora. Hey everybody, im simulating a dng metamaterial in hfss 12. Fractal antenna with metamaterial inspired dgs ieee. Adding the ansys rf option to hfss creates an endtoend highperformance rf simulation flow including harmonic balance circuit simulation for nonlinear microwave circuit amplifier analysis, 2.
Includes frequency selective surfaces, ferrite materials and more. The ansys hfss software is the industrystandard simulation tool for 3d. The ansys hfss is industry standard software made to simulate 3d fullwave electromagnetic fields. Assign the front and back faces of the box as waveport excitations with vertic. It would be helpfull if you could post some more info, such as images of the actual model in hfss, so that we can understand what you are talking about. Metamaterials include such items as negative index materials, electronic band gap structures and frequency selective surfaces. Hfss stands for high frequency structural simulator.
Antenna design is carried out using the transmission line method. The most common method is to effectively create an infinite periodic array. Ansyss electromagnetic computer modeling software, hfss, has become an. The proposed antenna is simulated by the hfss software. This will help engineers to simulate the designs of various internet of things iot devices and large scale antenna instillations the two products will work in conjunction with ansys hfss, a software for highfrequency electromagnetic field simulation. After fabricating the msa, the fabricated results were taken and are shown in the paper. Run hfss simulation until you hit a reasonable converge criteria. From the simulation results obtained by using hfss and after applying the equation above, we can obtain the variation of permeability in the range of studied frequencies, figure 2. Hfss metamaterial patch antenna free pdf file sharing. Hfss is high frequency structure simulator it is high performance full wave electromagnetic field simulator 3d volumetric passive device modelling that takes advantages of familiar microsoft windows graphical user interface. The simple structured configuration and low profile of the proposed antenna makes the fabrication process easy and also suitable for the application in the wlan. The results of with and without metamaterial fractal antennas are compared. The completed model of a metamaterial transmission line phase shifter with 4 unit cells is shown in fig. Simulation of simultaneously negative medium metamaterials xiao wang abstract metamaterials are artificial materials and named by those who work in the microwave material area.
Jun 16, 2015 the ansys hfss is industry standard software made to simulate 3d fullwave electromagnetic fields. Antenna, meta material, circular micro strip antenna, rogers rt duroid 5880, hfss software. An air filled rectangular waveguide is simulated using hfss high frequency structural simulator simulation software to obtain different parameters. Now a days, the demand for the deployment of wireless telemetry systems in medicine has significantly increased due to necessity for early. How can i simulate metamaterials based antenna in hfss. Finite conductivity copper was applied for the groundsignal gs fig. The parameters are extracted using s hfsstm, which is a finiteelementmethod fem. This discussion is about an older version of the comsol multiphysics software. Performance analysis of dual layer stacked swastika shaped. Apr 19, 2016 running the simulation and checking the progress design validation. The example shows some of the most important points of meta material simulation and characterization, including the boundary and port definitions, solution setup, and even effective parameter. The top view of the 2segment srr metamaterial rmpa is shown in figure 17.
Extraction of material parameters for metamaterials using. Ansys hfss software is the industrystandard simulation tool for 3d fullwave electromagnetic field simulation and is essential for the design of highfrequency and highspeed component design. Integrated computational materials engineering icme is the tool for quantitively describing the relationships between process steps, material microstructure, material properties and component behavior. Ansys hfss is an industry standard tool for simulating 3d fullwave electromagnetic fields. Uwb, miniaturized and directive metamaterial loaded antenna for. For cst this means that the steady state monitor must be set below. I build a cylinder and set its relative permeability as 1. The structure is then simulated using hfss software. A dual layer stacked swastika shaped antenna with a meta material based ground structure at frequency 11. Ansys hfss simulation software datasheet each hfss solver incorporates a powerful, automated solution process, and solver technologies based on finite element, integral equation, or advanced hybrid methods to solve a variety of applications including microwave, rf, and highspeed digital. As can be seen in the previous figure, the srr present a negative permeability from 2. The acronym stands for highfrequency structure simulator. Metamaterial based fractal antenna for thz application. This is a classic example of a meta material that can achieve negative refractive index.
Figure 5 gain for the simple rectangular patch antenna using hfss. Figure 7 shows the radiation pattern obtained by using anasoft hfss for metamaterial covered patch antenna. Using remcoms xfdtd software, simulations of devices containing these special materials may be performed. Applications ranging from cloaking to miniaturization have necessitated new analysis and design approaches to these electromagnetically complex materials. It is one of the several commercial tools used for antenna design. Could somebody direct me to the link to install hfss here. The scalability of the generalized logistic model to the infrared is shown and the accuracy in predicting the phase response is analyzed. Modeling of metamaterial absorber structure in ansys hfss. Miniaturization of rectangular microstrip patch antenna. Bandwidth enhancement of rmpa using 2 segment labyrinth. I build this metamaterial unit cell in hfss according to the mentioned article but my simulation shows fres150mhz.
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