What is the best way to calculate the angles of twist for concrete columns subjected to torsional moment using finite element software?

In Finite element software like ANSYS , there is difficulty in obtaining direct results of twisting of concrete members because SOLID65 which is the unique element designed to represent concrete...

26 February 2021 3,806 2 View

How can i preserve cell culture media for long time?

I have two bottles of cell culture media MEM Hanks and 199 Earls I dont need them now, but i will later. How can I preserve them for about 6 months , without loss in nutrients or contamination ?

24 May 2018 3,138 3 View

How we can calculate the Q-factor for an Optical M-QAM-OFDM signal in DDO-OFDM or CO-OFDM ?

14 August 2017 201 3 View

DFT computes, but B3LYP gives error

16 May 2017 6,767 4 View

What kind of organic doping should be employed to produce red, yellow and blue emission in Zinc Oxide nano-rods ?

Hydro-thermally synthesized Zinc oxide nanorods.

19 October 2016 3,007 1 View

How can i choose the correct primer from so many papers and have a successful PCR , what are the parameters?

I am working on bovine rotavirus in Egypt, i searched and found little number of papers doing RT-PCR in Egypt What are the parameters that make me choose the correct one? the RNA nature of the...

31 May 2016 5,641 14 View

If I want to prepare a land use, land cover map from LANDSAT 8 is it necessary to do atmospheric correction?

Thanks in advance.

22 February 2014 2,616 9 View

Low Voltage Modelling for Voltage Unbalance?

So, apparently there was never a need for low voltage modelling but because of the addition of unpredictable renewables and batteries and EVs, suddenly there is a big market out there for a good...

01 January 1970 933 3 View

2020 International Conference on Partial Least Squares Structural Equation Modeling?

Dear RG colleagues who will participate in the 2020 Smartpls Conference March 17 - 19, 2020 Beihang University, Beijing?? What is your opinion regarding this conference, does it worth to...

01 January 1970 4,349 6 View

Physics: Why do we describe light by referring to its wavelength, but microwaves and radar pulses by referring to their frequency?

In physics, the description of the properties of light generally refers to its wavelength (nm), while in the range of microwaves and radio waves we refer to the frequency of a signal (e.g. kHz or...

03 March 2021 1,682 3 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

I have designed reflectarray element and feeding it though Horn Antenna on HFSS. After full wave simulation, I am not getting desired results?

I have designed reflectarray element to generate OAM beams at 5.8GHz and feeding it though Horn Antenna on HFSS. After full wave simulation, i am not getting desired results i.e Radiation pattern...

01 March 2021 9,701 5 View

I need to accelerate corrosion in steel parts that are used in a salt-water environment. Is there a technique for doing so?

I have a structure that employs d-ring swiveling tie-downs that corrode during use and become "frozen". I have sample swivel assemblies that I wish to corrode to see if I can free them using one...

01 March 2021 3,739 3 View

Does the circuit modeling for planar monopole antennas using Foster canonical forms give good approximation?

Hi researchers, I am searching for some accurate way to do the circuit modeling of planar CPW-fed monopole antennas. I have gone through the literature where mostly circuit modeling is done using...

28 February 2021 7,016 1 View

Microstrip antenna design tutorial of HFSS 3D layout module ?

I have designed a 24 GHz rectangular antenna on HFSS 3D model and got desired results while desing the same antenna with same dimensions I am getting resonance frequency at 27 GHz I am...

28 February 2021 4,426 2 View

How to improve and implement WBAN MAC and Radio modules under Castalia 3.2 ?

Hello researchers, Hello Castalia3.2 researchers I am a beginner with Castalia, I work on optimization of RFID systems used in wireless body networks. I simulated a WBAN with 10 nodes and one...

28 February 2021 400 1 View

Compact antenna for the frequency range 1 MHz-5 MHz?

Hello everybody! I have a problem with developing a compact antenna for the 1MHz-5MHz frequency range. Tell me what type of antenna can be used and what books and articles to read to perform this...

27 February 2021 7,710 4 View

Can impedance of antenna be less than 50 ohms?

I am simulating helix antenna in hfss, right now, giving excitation with 50 ohms port. When I see the results of Z parameter (real). It shows lower than 50 ohms. Do not understand, if it can be...

27 February 2021 4,218 7 View

What is the better software for approximation of 3D surface with equations?

I have a massive of x, y, z coordinates of 2D surface in 3D space, which builded in Ansys HFSS or AutoCAD. How can I get the analitical aproximation of this surface by formulas?

21 February 2021 3,444 7 View