What are the meanings of Teaching, Lecturing, and Training?

It senses that teaching is giving all the information to the student but not encourage students to think beyond that and work on the Research. The lecturing is not a lesson which gives all the...

09 October 2018 5,272 1 View

What is the refractive index contrast of PCF?

I hope the step index contrast of PCF is the difference between the refractive indexes of solid (background or host) and holes. I need further explanations.

03 April 2018 5,478 0 View

Is it possible to exist HE11 mode of the tube glass by TIR wave guidance?

I want to get the HE11 mode of a glass tube. Is it similar with the HE11 mode of solid core PCF with homogeneous electric field lines?

02 March 2018 6,175 10 View

What are the current issues on PCF design and simulations?

We are working with COMSOL simulation.

02 March 2018 6,690 0 View

What is preprints on research gate?

Dear Friends Are you aware about preprints on research gate? (https://explore.researchgate.net/display/support/Preprints) As it says, there are many advantages of adding our work to preprints...

01 February 2018 5,360 5 View

What is the procedure to do convergence test to optimize the mesh size?

The size of meshing is important in COMSOL simulations. It is better to fine the mesh size as possible but it increase the simulation time. It was came to know that convergence test can use to...

31 December 2017 2,371 0 View

Is it possible to get a clear structure of PCF structure to word document?

31 December 2017 3,248 1 View

What is the difference between perfectly match layer (PML) and full vector anisotropic perfectly matched layer (APML)?

09 October 2017 2,686 0 View

What is the way to adjust citation style for Mendeley?

I am using Mendeley citation management tool for my paper work. I want to customize IEEE citations style according to the requirement of the journal (Microwave and Optical Technology Letters)....

09 October 2017 8,127 7 View

In the mode analysis by using COMSOL multiphysics, is there a way to optimize the mesh size?

I use physics controlled mesh option of COMSOL 5. But sometimes it takes a long time. When I increase the size of mesh, the circular shape of holes of PCF is apparently deformed. Could you please...

09 October 2017 1,998 3 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

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 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

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 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

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 View