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. Mar 09, 2015 an example of a userdefined lumped port geometry. The dimensions of antenna can be found in the hfss simulation file. Does anyone have an idea about the wave port or lumped port in hfss,which should be used especially for. In order to simulate the design, we must create assign at least one port excitation. Assign to exterior faces 2d objects or faces of solids of the modeled geometry, or cover one face with a. Weassumeyouhavesome experienceofdesigningprojectsusinghfss. You can assign a port to any 2d object or 3d object face.
The video describes the electronics desktop integrated antenna toolkit and how it is. Define the complex full port impedance of the port in the resistance and the reactance text boxes. How to set lumped port and wave port in hfss youtube. Pdf hfss training hfss training hfss training hfss. Eecs 117a demonstration 4 hfss simulation of a transmission line. The device must be connected by a section of transmission line or waveguide supporting traveling waves. First the model of the microstrip patch antenna has to be drawn in hfss. In this video we begin our simulation workflow with a candidate antenna design from ansys hfss antenna toolkit.
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. This video demonstrates the use of several modeling tricks in ansys hfss to create a microstrip design and excite it with a lumped port. Select the object face to which you want to assign the port. Hfss floquet ports getting started with hfss floquet ports ansys,inc 275technologydrive canonsburg,pa15317 tel 17247463304 fax 17245149494. Hi all, i couldnt understand how to determine a waveports or a lumped port s direction. To improve far field results for any distance, the radiation boundary needs to be seeded with lambda6 mesh operation at the highest frequency. I know it should be from lowest to highest voltage. Getting started with hfss georgia institute of technology. Lumped port selection this presentation is one in a series of port tutorials, intended to help users better understand the nuances of model. Port forwarding is just a technique used to enable proper network connectivity for some applications that are running on nated devices almost all home computers port forwarding in itself a risk factor the risks occur with regards to how the destination computer handles the incoming connections. Since we will be using a trl calibration when measuring our devices, it is important to use port deembedding in our hfss simulations so that the reference plane is the same for simulated and measured data. How assign lumped port in hfss for stripline sipi exchange. In wave port, tem mode of crosssection of the structure is calculated first, then the tem mode is used to excite.
Global material database the global material database is the primary material database used throughout all maxwell software. Floquet port 12 introduction floquet ports in hfss the floquet port in hfss is used exclusively with planarperiodic structures. Does anyone have an idea about the wave port or lumped port in hfss,which. Techniques for analyzing antenna lattice structures. Hfss floquet ports getting started with hfss floquet ports. Design of an 868 mhz printed sshape monopole antenna. Another use of the lumped port condition is to model a small electrical element such as a resistor, capacitor, or inductor bonded onto a microwave circuit. This tetrahedral finite element technique exploits the same automatic adaptedforaccuracy meshing technology that made hfss the gold standard for accuracy in. Lumped rlc a parallel combination of lumped resistor, inductor, andor capacitor. In general, use the following procedure to define a wave port. Lumped port uses a uniform parallel field on patch as source to excite s.
Hfss does not allow to assign lumped port or wave port excitation on a curved surface, you should try cst or fekoyou will get. To set up an hfss design, follow this general procedure. Hfss wave port and lumped port assignment as for either wave port or lumped port, both reference conductor and signal conductor are required. For the lumped port, you need also to assign the integration line which shows the direction of the e fields between the two metals and hence define the excitation. I konw for a microstrip line, i can draw the 2d port rectangle that touchs the signal with one edge and the opposite edge touch the reference ground plane. Hfss does not allow to assign lumped port or wave port excitation on a curved.
Select the menu item hfss excitations assign wave port. To determine if the results are as expected, you compare hfsss sparameter calculations at each septum position on a 2d xy plot. Nixonb asubmillimeterwave technology laboratory, university of massachusetts lowell, lowell, ma, usa 01854. My goal is to get all sparameter values for all 401 frequencies and for all 444 design variations a,b inside one or several. What is the difference between lumped ports in a driven modal and driven terminal in hfss. The device must be connected by a section of transmission line or waveguide. But dont know the direction of the arrow represents which field. Lumped port uses a uniform parallel field on patch as source to excite structure. Phase characteristics of subwavelength antenna elements for efficient design of terahertz frequency and millimeter wave metasurfaces richard j. Define port by selecting edge solver specific properties hfss gap or wave port available. Select the menu item hfss mesh operations assign on selection length based maximum length of elements. Ansys hfss wave port example for patch antenna youtube. I have difficulty finding how to retrieve all my data from a parametric sweep with 2 variables a,b that was performed with hfss s optimetrics.
Hfss transient solver option the hfss transient solver is a 3d fullwave transient or time domain electromagnetic field solver based on the discontinuous galerkin method dgtd. Hfss assigning wave ports courserepsecen452spring2016. How assign lumped port in hfss for stripline hi,everybodybecause the pcb line i will simulate located internally, so i can not use the wave port of hfss. Hfss is an interactive simulation system whose basic mesh element is a tetrahedron. Coaxial simulations using hfss and maxwell hugo day february 28, 2011 with thanks to e. Phase characteristics of subwavelength antenna elements for.
The lumped port can be used to specify an effective impedance between two conductive boundaries within the modeling domain. Should i assign the wave port excitation to the antenna or provide the e, h and pml boundaries on airbox. Terminate the ports in the schematic with your lumped elements and define the system ports, then assign a sinusoidal power excitation to the system ports. Insert a new circuit design into your aedt project then you can drag and drop your hfss model with lumped port into the circuit schematic to create a dynamically linked hfss circuit model. One thing i didnt see mentioned in other comments is the possibility that your isp blocks certain port ranges andor torrenting. Each terminal that is identified by an edge selection must have each edge contained by some non port face. Mounet for useful discussions and suggestions hugo day coaxial simulations using hfss and maxwell.
How to set a lump port in the cylindrical surface using 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. Microsoft start programs ansoft hfss9 after program initialization, click on the blue icon for insert hfss design select the menu item hfsssolution type, choose driven terminal click ok. I want to assign wave port exciatition to the signal inputtrace. How can i simulate metamaterials based antenna in hfss. Click hfss or hfss ieexcitations assign lumped port. Eecs 117a demonstration 4 hfss simulation of a transmission line getting started. In this video, we will design the sma connector and it will be saved as a component in hfss.
Hfss training hfss training hfss training hfss training. Note that a quarterwave length transformer was used to match the patch to a 50 ohm feed line. Hfss perfectly matched layer boundary automation when analyzing radiating structures in an unbounded, infinite domain, ansys hfss requires the truncation of the analysis domain and use of appropriate radiation boundary condition at the domain boundary to emulate the effect of an infinite domain i. There are a few different types of excitations to choose from, but the most common excitation we use in this lab is the wave port.
Set the size of the air box to where is the wavelength at 14 ghz. I doubt theyd block 65000, but nothing else works, try a different port that should normally be open. Ansys hfss perfectly matched layer boundary automation. Chief examples are planar phased arrays and frequency selective surfaces when these may be idealized as infinitely large. The video describes the electronics desktop integrated antenna toolkit and. How do you identify whether to use lumped port or wave port in a.
The length of the line must be long enough such that only one propagation mode exists on the reference plane of the port. How do you identify whether to use lumped port or wave port. Comparison of hfss 11 and hfss 12 for jsf antenna model uhf blade antenna on joint strike fighter inherent improvements in runtime and ram usage for this example model converges to desir ed accuracy in 50% of the time using 20% less ram jsf antenna model 8 cpus adaptive passes to reach s 0. Ports and lumped ports for wave electromagnetics problems. What is the difference between lumped ports in a driven. It consists of rectangular substrate and the metal trace layer as shown in fig. Can anyone experienced in this tool give me detailed information. The mission of engineering tutorials center etc is to. Otherwise, i agree with the one comment that suggested enabling the firewall if it wasnt already.
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