An electronic scan radar antenna and smart antennas?

In witch cases we consider electronic scan radar antenna as a smart one?

11 December 2014 3,181 2 View

FEKO and MoM?

I want to know how FEKO uses the MoM model if it uses the model in its general form or the spacial case of Galerkin when the test functions are equal to the base functions.

11 December 2014 8,162 4 View

Is there any formula to predict a fractal antenna resonant frequency?

Is there any formula to predict a fractal antenna resonant frequency from the antenna parameters and the tree shape when there is no substrate used or the substrate occupies the whole antenna...

11 December 2014 6,330 8 View

HFSS and FEM discretization quality?

Given that HFSS uses the FEM, I want to know if HFSS can and how it can estimate some characteristics concerning the FEM like the: existence and uniqueness of solutions, stability and convergence.

11 December 2014 8,815 0 View

FVM and CEM?

I want to know if there is a CEM simulator that uses the the finite volumes method.

11 December 2014 6,371 1 View

FVM and CEM?

I want to know if there is a CEM simulator that uses the the finite volume method FVM.

11 December 2014 4,991 3 View

Are there some Matlab programs about implementing radar with electronic scan?

I talk about programs to use directly or to be modified to be adapted for different kinds of radiating function.

11 December 2014 9,980 4 View

Can HFSS estimate a RES?

Dear researchers, I want to know if the HFSS can estimate a Radar Equivalent Surface.

10 November 2014 9,177 3 View

Multi Resolution Time-Domain (MRTD) solver?

Is there any simulator using a Multi Resolution Time-Domain (MRTD) solver?

10 November 2014 7,059 0 View

How do you export an HFSS data table into a known file format?

HFSS simulator can generate after a simulation results in the form of a data table. I want to know how to export these tables to have excel files or other file formats.

10 November 2014 3,564 6 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 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

Help request in CST microwave?

im working now on TPV solar cells and metamaterials and i realy need our help in CST microwave i have a tpv cell simulation and i want to extract particullarly the absorbtion of only the active...

02 March 2021 2,246 2 View