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

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

What is the most Operating System (OS) which can be INSTALL on Tiny hard devices like Raspberry Pi (RPi) hardware ?

I'm targeting to deploy a mesh network and manually configure MANET routing protocols. I'm preparing scenarios, architectures, and hard devices needed to do that. Are there some step-by-step...

03 March 2021 1,931 5 View

Is there any tutorial for comsol general projections?

Hi, im trying to make a projection in a 3d comsol model. I have a non uniforme chanel and my intention is to get the average tempreture in the y-z cross section and se the average tempreture...

02 March 2021 4,624 4 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

Is it possible to do piezoelectric coupling in ANSYS-APDL or COMSOL between tapered substrate and rectangular piezoelectric patch?

How to do Piezoelectric coupling in ANSYS-APDL or COMSOL between tapered substrate and rectangular piezoelectric patch? Piezoelectric coupling between the rectangular substrate and rectangular...

02 March 2021 9,833 3 View

Why Austenite grains in steel show much more twinning than ferrite grains?

It is oftentimes said to be a distinctive metallographic trait that differentiates a fully austenitic and a fully felly ferritic steel without etching that might distinguish between two. Why...

02 March 2021 728 2 View