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54 Threads found on Hfss Load
Posting a schematic or drawing in addition will enable replies from Edaboard members who don't use hfss or can't load the project right now.
I simulated the UHF antenna in hfss, expected resonant freq. is 915MHz. The results shows very promising (S11~-35dB). But when I make a PCB, the figure below, the result is implemented by using Network Analyzer, the resonant freq. shifted from 915MHz to ~1.9GHz. In the simulation file, I chosed FR4 as a material, is it right?. Does anyone get m
Hi everyone, Just doing a project for uni and have created a loop antenna on hfss. I'm not at a stage to impedance match the antenna and am using a smith chart software. I obtained a impedance from hfss something around (2 - 200j)ohms and am wondering when I impedance match to a 50 ohm terminator is this the load impedance or source (...)
hello , guys, I have installed the hfss 13 and ANSYS 13, and I want to do thermal analysis. After simulation , I get a 'xml' file by 'export transfer file for ansys' in hfss, but when I load that file , a dialog denote me that ' either the specified location is incorrect or the sou
Hi, I was trying to import hfss file to Ansoft designer.But even before selecting the file following error occurs. "com error:cannot load hfss module" I googled about the error but there was no results.Has anybody experienced the same error?
Hi guys, I'm new here. Just a quick question: One of my assignment is to simulate an open stub through a transmission line (50ohm) to a load of 155 ohm. I used my smith chart to calculate the distance and length of the stub (in terms of wavelength) but I do not fully understand how to convert those numbers to design a physical stub. If
Dear All I am sure this thing has been discussed many times and after reading a number of posts with confusing comments i am writing this for our help. Please correct me if i am wrong any where. Let me first define the port Zo, this variable is related to the characteristics impedance of the port or precisely the characteristic impedance of the
u can use hfss GA for your aim and if u want u can load hfss with matlab in each part of your GA matlab can call the hfss for optimization and i cant understand what do u mean by telling the relation of s parameter and GA ????
Hello, I am trying to simulate two mutually coupled coils. I have created one coil in hfss with 3d boxes, applying PEC material and adding a current source. The second coil is separated by a distance also made of PEC. Now if I run simulation in this set up, I can see MagJsurf to verify that current from one coil is being coupled to the other.
Hi friends I wants to make an equivalent circuit of a resonator. There is an option in hfss to exort Eqivalent circuit (Result--> Solution). We can export into spice, but idont know about spice. Is anybody knows about that, which software can open that file, how we can extract eqivalent circuit from that???? Thanks for your help in Advance:D
Hello, I am currently building a demo of a microstrip line with a tuning stub. The transmission line is terminated in a load impedance of 100-50j ohms. The microstrip line has a Z0 of 50 ohms, and the stub has a Z0 of 100 ohms. I know my designs for the microstrip lines work, but I am having trouble terminating the transmission line with the fix
Hi Guys, I have been having some issue in making my antenna design into a equivalent circuit model. I have managed to export it from hfss into a library PSPICE file. 67761 After I exported it, i use this PSPICE AD lite edition to open the library file. At first i saved it into a .cir file and then i try to run the
Hello, I am planning to simulate a waveguide termination to analyze the power dissipation of the load material, but not quite sure how to create the load materials with correct parameter. I know there is an important parameter, Attenuation Ratio, for the load material. But how should hfss model reflect this parameter? (...)
can u plz upload file hfss 1-4 Wilkinson power divider ---------- Post added at 22:43 ---------- Previous post was at 22:42 ---------- my fyp is badly stuck and i dnt knw what to do plz help me i need hfss 1-4 Wilkinson power divider design
Hello I want to load my hfss simulation in Ansoft Designer. what should I do? Thanks Regards
Hi, I want to simulate a waveguide termination by hfss, but I don`t know how to create the materials with correct parameter, such as the Er, tand, etc... any body can help me? thanks!
hi..i'm in the process of manufacture of microstrip antenna using hfss version 10.. but, i got problem, i can't get the best result of gain, VSWR and Z parameter...they point is always deviated... for your information, i want to make rectangular microstrip antenna,, array,with gain 11 dBi minimum, VSWR ≤ 1.5 and load impedance 50 Ω
You need to use something like 'Projection' feature. I am not sure where it is in hfss, but I can create for you such a file in EMCoS Virtual AntennaLab. Attached is similar SAT file (you can load it in hfss) - specify your dimensions, I'll generate what you need. We can also compare simulation results, if I'll have some time to simulate (...)
I want to calculate the current flowing in the outer conductor of the Coaxial cable in case of mismatching at the load of the cable in hfss. I have simulated the simple coaxial cable model in hfss...Can anyone guide me how to measure the current flowing in the outer conductor of the Coaxial Cable under mismatching condition....
hfss is a high-performance full-wave electromagnetic(EM) field simulator Here what is the meaning of "full wave" electromagnetic field simulator? Any Good reference for FEM and MOM? Any one have the below one Analytical and Computational Methods in Electromagnetics by Ramesh Garg
hfss is better for high Q filter, but mesh seeding may be used, especially for the coupling section with evanscent waveguide.
hello I am in Matlab in a loop where I have to call hfss. I need to: 1. load a project file, 2. change some variables values 3. run the optimization in it 4. export results 5. save project I have this Matlab routine I wrote (mostly guessing) and the hfss test project file attached. Questions: 1. It looks like when the (...)
Hi i want to match 50 ohm to 150 ohm with chebyshev impedace transformer that i design in hfss Software.I don't know how assign load impedance to structure. can anyone help me?
Hi: One of my former colleague wrote the following cbs for hfss10 to read dxf and then convert to solid object. But how do I extend this to handle the case when I have more than one slices? Thanks, Dim oAnsoftApp Dim oDesktop Dim oProject Dim oDesign Dim oEditor Dim oModule Set oAnsoftApp = (...)
i recod the script when i am drawing my antenna, then i double click the VBscript file, i can't load it.(Generally, i can run it by double click the vbscript file) When i open the hfss, then i run the script, it can be run, i hope some people can help me to solve this problem. Here is my vbscript file. thanks a lot!!!!
Hi, I have several stl files consisting of thousands of cuboids that need to load into hfss 11. After loading, the solid structures defined in stl came out to be 2D sheets. I found posts about this problem in this forum, and people were talking about a layermap file that come along with stl file and define the sheet thickness. Can anyone (...)
I am relatively new to hfss. I was using the program without problems until it crashed during a particular session. Now every time a try to load a previous project, the program promptly crashes. Worse yet, and project that fails to load because hfss becomes locked, potentially causing further problems. I need to be able to (...)
where from i can down load hfss simulation software ?
hi every one i want to load hfss v 10 into my system..... can any one tell me the requirements of the system to load the hfss v 10 3D simulation software like ........... RAM vedio card memory processor and windows version or any thin else specially to support this software thank you
Hi, I am working with IE3D an hfss. I do design in IE3D and export it to hfss. My circuit is 3D one and I transfert it to ".sat" in hfss. But when I load it in hfss there is an error message, Acis error: "api_check_entity failed for part: alim", when I define it as a model. What this message mean? How (...)
hi everybody:D I meet a problem during the simulation in hfss, I donnot know how to load piezoelectric material in hfss and hope someone can help me. Regards and thanks very much!
It is nothing related to VSWR. Regarding the same amout of energy is delivered to the antenna, part of the energy is radiated, the other part of energy is dissipated due to resistive load and surface wave. If you are using hfss, you can get the radiation efficency directly. How to measure efficiency on PCB antenna designed for ISM ban
Hi I am design a slotted waveguide array. The waveguide is feed from one terminal, while the other is assigned matched load. A previous post says port is matched load, but it seems that in hfss ports are all excited, that's not what i want. Ports could be setted as unexcited in CST Microwave Studio. How to do that in (...)
You can refer this tutorial for simulation of dipole in hfss. Don't forget to press helped me button if you like tutorial. Abhishekabs
hi , I need to define or draw a 50 ohm terminator load the end of my microstrip line. But I am not able to draw it. İt is only connected with microstrip line. But in hfss I dont know hot to do it. the picture is below; tha
If ur device is a wideband device, it is normal to see the difference between hfss and VNA. If it is an antenna, driven model should be used and driven terminal for waveguide structures. Usually, it is the case if u terminae a load with a match impedance.
I am using hfss V9.1 and I cannot open the files uploaded here. Each time I want to open them, it says "File is locked". Is there a way to go around this problem? Question: how do i represent a UHF RFID chip as a load in such simulation? I want to attach a dipole antenna to the chip. What type of port should I use? Many thanks!
I have made a microwave oven by hfss. I have put a load (dough) inside the oven and want to calculate the energy absorbed. Can hfss do it? What is the problem with that ? If you know properties of your load just put it inside lossfree cavity and see the level of reflection.
hello, can i define a 50 ohm terminator load in hfss? if it is ok, how sould i do it? thanks for your helps. frequency range of 50 ohm terminator load is from 16 ghz to 40 ghz.
hello, can i define 50 ohm terminator load in hfss? if it is ok, how sould i do it? thanks for your helps.
HELLO, i have been trying to draw my structure on hfss.But the end of my original structure has a 50 ohm load (this is a special load, we solder it to the end of the structure). But i cant define the 50 ohm load in hfss. however, i know that we can define easly the 50 ohm load in ansoft (...)
hi, I would like to use a deformed Mesh from Ansys in hfss. I don't know how to use my mesh file with nodes and elements for a simulation in hfss. Indeed i have no interest to build my geometry with the 3Dmodeler because all i have is a mesh file and not a 3dmodel from Ansys. More over if i use a reverse ingeneering tools like Geomagic to create
Dear friends? What is the difference between unloaded quality factor QU and loaded quality factor QL? In Ansoft hfss, which knid of quality factor can be calculated, QU or QL? Thank you!
can you post the .hfss file?
hi; Jian thanks but i have to use hfss. if helio1972 can send to me FDTD code about terminator load, ı will be very happy. and can you tell me what do FDTD code does? thanks for your helps
hello; i want to draw a microstrip antenna. end of the microstrip antenna has a terminator load. but i dont know how i can draw the terminator load to microstrip antenna on hfssv9.0. i give the microstrip antenna's picture. thanks for your helps....
Hi, I wish to simualte a structure which has about 20 ports. Therefore, I am using lumped ports for the simulation. However, I only wish to excite only 10 ports, the other 10 ports are not used...but I need them to be terminated to 50 Ohms. How can I do this? Right now, the other 10 ports do not have an excitation, instead it is touching
I have a sistem antenna with capacitive load (in hfss) it looks like half-wave dipole (or oscillator) with capacitive load in center =====@====== Could somebody tell me, how appropriate set this sistem? how about joining (combination) antenna material (with perfect E boundaries) and load box (with lumped RLC (...)
There are two parallel conductors on PCB (see a pictures). Case 1. Sources on the one hand, load with another. Case 2. The explorers are located specularly each other. In what case EMI will be more? hfss has shown, that in second. Why?
Hi, I am trying to measure the load impedance of the block sitting at the end of the coupled lines. Any help ?.