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

The most suitable method to calculate the stress intensity factor in the presence of contact between the crack lips?

I'm trying to study cracked structures under a compressive load taking into account contact between the crack lips. I would like to know if the method of extrapolation by displacement remains...

21 February 2021 8,694 4 View

How can i get the data for the FTSE/JSE Responsible investment top 30 index (J110)?

Hi All , Please can you recommend a free database (i already use yahoo finance but it's not avaible) ,or if someone has already worked on this index for the period of 2015 it would be great to...

22 December 2020 247 3 View

How to find the dimensions of a patch antenna of a horn shape?

So i was asked to make a horn-shaped patch antenna, but i'm having hard time to find its dimensions. Is there a relation between a real horn antenna dimensions and a patched one?

07 December 2020 1,748 3 View

How to implement the Maximum Tensile Stress Criterion for crack propagation ?

Hello everyone, I'm working on crack propagation using a meshless method in linear elastic fracture mechanics and I want to use the Maximum Tensile Stress Criterion. I need some references or...

29 September 2020 2,362 3 View

How to calculate the sum and the subtraction of many random variables that follow exponential distributions ?

How to calculate the sum and the subtraction of many random variables that follow exponential distributions and have different parameters ? (The value of Lambda is different for all or some...

03 September 2020 3,721 10 View

Question regarding displacement of phases in Match! software?

Hello First of all i am an amateur when it comes to XRD and phase analysis so please bare with me on this . That being said , i am having an issue with Match! software whereas the suggested phases...

09 March 2020 4,240 6 View

About a MOSFET device ?

Is the thermal study of the MOSFET device important to improve the efficiency of the device or is there another opinion?

06 January 2020 8,718 4 View

How to model the terminations of a coaxial cable in MoM simulation? and How can i get the its Transfer Impedance ?

I want to simulate a coaxial cable in FEKO software. However, the results do not agree with the transmission line solution that uses the transfer impedance (Schelkunoff model). I m thinking that...

05 December 2019 4,357 8 View

Rotate mesh in ANSYS?

Hello , I am trying to make a 2D airfoil simulation using ansys fluent to calculate Aerodynamic coefficients for multiple angles of Attack . the domain i build has two parts exterior and a cyrcle...

19 November 2019 6,217 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

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

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 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

Is There Any Feasible Method To Test Fluorescent Compounds Other Than Fluorescence Spectrometers ??

Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !

02 March 2021 5,785 3 View

Do you know any MR image dataset?

I would like to research on MR images (0.5T and 3T). Can you please suggest some websites that I can download dataset including both 0.5T and 3T MR images? Thank you.

02 March 2021 7,735 3 View