• 24th June 2017, 08:27
In CST MW STUDIO, for my antenna design observed that negative efficiency values in dB? Can any one suggest me what might be the problem?
1 replies | 196 view(s)
• 17th June 2017, 13:44
If you have solved the complete model including pickups with Eigen Solver and you are getting one frequency which you are not able to get with driven...
4 replies | 1244 view(s)
• 15th June 2017, 12:15
So you included pickups with the driven model and that was not the part of Eigen simulation? If yeas then this is the reason for shift in frequency.
4 replies | 1244 view(s)
• 14th June 2017, 12:18
Look man you made it too heavy with so many formal words so keep it light and simple SIR is little too heavy. Your approach seems correct. All the...
4 replies | 883 view(s)
• 13th June 2017, 16:17
The best way to make any geometry in CST or HFSS is to make it from LINE DIAGRAM and then covert that LINE DIAGRAM to sheet using CST basic commands...
4 replies | 883 view(s)
• 7th June 2017, 19:50
i'm using incident plane wave along with waveports applied on the air boundary(box).
5 replies | 1050 view(s)
• 2nd June 2017, 09:01
Lets make things simpler 1.Coupling coefficient is called Beeta 2. If Beeta = 1 it means we are critically coupled and mag(s11) = 0 3. If Beeta <...
8 replies | 963 view(s)
• 1st June 2017, 17:02
I am attaching screen shot of answer to your first part Just have a look at the corresponding curves of s11 for under over and critical coupling...
8 replies | 963 view(s)
• 1st June 2017, 16:17
I can understand that for accurate stuff I should rely on discrete sweep. But the point is if I get lets say s11 -7dB at some frequency lets say...
4 replies | 677 view(s)
• 1st June 2017, 16:12
No when I say PML I mean PML. It is defined in place of PORT in Eigen solver while in driven model it is replaced with PORT. Screen grab is...
8 replies | 963 view(s)
• 1st June 2017, 07:58
Thanks a lot for your response. I have tried to attach screen grab of model, field configurations which may be needed to look through the problem....
8 replies | 963 view(s)
• 31st May 2017, 13:19
It means HFSS is not able to mesh the object it happens mostly when due to some Boolean operations model has infinity thin edges which makes meshing...
2 replies | 687 view(s)
• 31st May 2017, 13:15
Your frequency is bit higher I mean even mesh generated for 75 GHz would be enough to drag the simulation time longer and upper limit 110 GHz so if...
1 replies | 313 view(s)
• 31st May 2017, 13:08
It is always better not to get any warnings but you can go ahead and check filed and other parameters and compare them with some reference. You can...
10 replies | 1010 view(s)
• 31st May 2017, 13:04
Let me give you some background of problem. I am designing a coupler which has to be over coupled as a part of my project. I used Eigen solver...
8 replies | 963 view(s)
• 31st May 2017, 12:58
I have one question regarding plot when we switch the line style to dot does each dot represents HFSS calculated data point? Can I use this way to...
5 replies | 736 view(s)
• 31st May 2017, 10:51
both options are incorrect. x = X(e^jw) not x
3 replies | 6775 view(s)
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#### Basic Information

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September 7, 1984 (32)
##### Areas of Interest
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RF, Microwave, Antennas and Optic
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From Pakistan to CERN then from CERN to Elettra journey is rewarding and fulfilling. Working on RF accelerating structures for Normal Conducting Linear Accelerators. Currently working on wakefield analysis for Multi Bunch configuration. Journey goes on.........
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#### Simple steps to make Complicated 3D Structure with simple Lines in HFSS

by nomigoraya on 19th September 2016 at 14:21
Lot of people who start with HFSS have issues in making the complicated geometry in HFSS. Here are very simple steps which anyone can follow to make a 3D structure in HFSS

Just take example of this cavity with attached beam pipes
Step 1 Draw this 3D structure on paper as 2D line Diagram which will look like this

Have a closer look it is 1/4th of 2D Line Diagram of total cavity
This is what