Any recommended antenna design tool for undergraduate students which can run as trial version initially without purchasing full?

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Does anyone know what is the dielectric constant of 100% Ethanol at microwave/millimeter-wave frequencies?

It is around 24.4 for lower frequencies.

04 May 2016 4,178 3 View

Determining R1, R2, C1 and C2 values of HFSS designed 2nd order Chebyshev filter. Need resistance/capacitance values from measured s-parameters?

Hello! I designed a 2nd order bandpass Chebyshev filter in HFSS. I fabricated the sample and measured the s-parameters. Its a two port network and it should have R1, R2, C1 and C2. I want...

01 January 1970 364 4 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Raymond Rumpf

Just about any software package I can think of has a 30-day free trial. I think the better question is what type of antennas you want to simulate. There are a lot of options out there and what serves you best depends on what you want to simulate. I have a list of open source EM simulation packages here:

http://emlab.utep.edu/opensource.htm

Scroll down to "Electromagnetic Simulation Software."

Felipe Beltran-Mejia

You can use OpenEMS, it is an opensource FDTD software that uses Matlab as a front-end. If you look in the tutorials section there is a micristrip patch antenna tutorial.

www.openems.de

Pablo Fernandez Medina

CST offers a student version that should provide enough capabilities for microstrip antennas. It is not a time fixed trial, just comes with restricted capabilities but you can use a long as you want. I think it is a very good option to start with :)

Ronis Maximidis

EMCoS Antenna Lab, quite simple and powerful tool.

Has a free student license, with the problem size restriction. But it is enough to simulate any kind of the classical antenna.

Md Zulfikar Mahmud

CST trial version can be used..You can follow the link below

https://www.cst.com/Academia/Student-Edition/Download

Bart Boesman

You can also download for free the student version of FEKO using the link below:

http://www.altairuniversity.com/feko-student-edition/

FEKO is MoM-based and offers thus a lot of interesting tools to study antenna radiation, scattering and so on...

Pieter Willem Van der Walt

SABOR, available from http://www.gr.ssr.upm.es/sabor.htm is a free shareware program for developing insight into and a feel for horn and reflector antennas. Also shows effects of offset in the position of a feed horn for a parabolic reflector.

Manoj Sharma

cst microwave studio seems the best and most easy to be used. Except some mesh limitations most of features are available and quite useful and userfriendly tool.