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Re: Buying EM Software
If you want an unbiased (non-vendor) view, then for your application (which is similar to work I have done before) would be a combination of sonnet and CST/HFSS.
certainly for spiral inductor type structures sonnet proved to be the quickest and closest to our...
Re: About Microstripes 7
In addition,
there is no optimiser, although they have just put in a parameter sweep
the UI is awful and has not really been updated since 1998
the accuracy is very dependent on the meshing, which is not automatic
BUT
the TLM method is generally quick and stable
The MOR solver should only be used for closed structures (like the Eigen mode) I believe. The FD tet solver will allow you to use a 2D sheet (in fact it prefers it)
emss feko price
rodzski,
Please do not come on here and spam your product without telling everyone your relationship to the company. Jim Rautio, Ray from Feko and others always state that they work for a certain EM company. To not do so is rude and deceitful.
Also to boldly state that it is...
Download Sonnet Lite, that may have all the features you need.
If not then Jim Rautio is sometimes here and he can let you know how applicable Sonnet would be. My feeling is that this is your best bet over HFSS/CST etc.
the semcad board comes from acceleware.com and my advice is to avoid as all they can do is accelerate a standard FDTD code, and only seem to increase speed noticably for certain situations (no open boundaries/dielectrics)
Accelerating CSTs FIT code is a much harder prospect (PBA etc.) and my...
Recruitment
I'm not sure this is the correct place for this...
I have a friend who is currently recruiting for development engineers in the UK for a company who is developing a product based on a completely new EM method.
Where would be the best place for him to advertise? Other than here...
The AR filter is basically a response predictor in the time domain. All this does is recognisae the damping and the response adn extrapolates so that when the FFT is performed there is no time domain truncation error (ripple on S parameters).
If you stop simulationg with too much energy in the...
If you have an up to date copy of both CST and ADS you can cosimulate from ADS to CST.
For earlier versions you can export in touchstone, although version 5.1.2 allows you to export an ADS block, although you have to run one of the post-processing ADS templates first.
Re: cst help
Electrically large antennas present problems for all simulation methods as they require a larger number of cells. FDTD, TLM and FIT however benefit from a linear relationship between number of cells and simulation time/memory.
With CST you can force a minimum cell size across an...
sonnet rfid
I would have thought that since HFSS is a frequency domain solver it would have been the best choice for this.
When I have tried to simulate RFID antennas at 13.56MHz with time domain codes (CST + Microstripes) I have had problems due to the low frequency.
I am not an expert in...
Re: CST vs XFDTD
How can you justify this? they both use similar pml formulations. I have used both CST and xfdtd for antenna analysis and found them to be as accurate as each other (CST solved quicker though).
Also bear in mind CST is not just an time domain solver, it has a frequency domain...
But in this case I would never use a time domain code for a high Q structure because of this issue, so maybe there is no sense in trying to develop techniques to develop this where another method is strong.
I have had some problems with multilayer spiral inductors (3-4 layers), volume meshing...
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