To simulate handover in wireless ad hoc networks, what are the freely available academic network simulation tools?

I wanted to simulate a handover algorithm for ad hoc networks, I want to know what are freely available supporting tools for academic research?

28 September 2020 4,604 7 View

What is the chemical name of Zn(0.3) Mg(0.7) Cr(x) Fe(2-x) O(4)?

Is this ferrite is from the spinel group? can anyone explain the tetrahedral and octahedral sites pf elements for this above formula? If Cr(2+) and if Cr(3+) is doped, describe the...

08 September 2020 4,472 2 View

What is the most efficient way to make quad meshes in 3D in ANSYS Fluent?

I am planning to run ANSYS Fluent simulations in 3D. While I have a lot of experience in meshing in 2D, I have no idea on how to form 3D meshes in ANSYS Fluent. The geometry I am working with has...

25 August 2020 7,902 3 View

Can anyone suggest a good textbook / article on shock / boundary layer interactions?

I am currently working on a project involving shock / boundary layer interactions using experiments and CFD. I am looking for some books / papers where I can get the theoretical understanding of...

11 August 2020 2,748 3 View

Can we use Ethanol Amine or Poly ethylene glycol instead of Oleic Acid to synthesize Molybdenum Disulfide (nano)? Either Yes or No, What is Reason?

I want to Synthesize Molybdenum Disulfide at Nano Scale. Can I use Ethanol Amine or Poly ethylene glycol instead of Oleic Acid? Please brief with the reason.

26 July 2020 913 3 View

Can anyone suggest a good textbook on finite element methods (FEM) and its programming in MATLAB?

I'm planning to learn the basics of FEM and also want to be able to solve all kinds of problems numerically using MATLAB. I'm looking for some textbooks and/or sources where I can learn about...

24 July 2020 3,911 12 View

Which information/parameters can we directly extract from a single image captured by camera?

Like we can get color information, estimate sizes, corners, edges, shape etc. Which other parameters can we directly compute from a single image?

05 July 2020 413 4 View

Are there any reading materials available for lerning to modify source code and solver files in OpenFOAM?

Often the existing source codes and solvers are not enough for specific applications, and it becomes necessary to modify source code files in such a way so as to suit the needs of the user....

18 May 2020 7,195 5 View

How to add one input signal with delayed signal in matlab simulink(specialized technology)?

I have used hilbert filter on the current signal and i have to add two signals, one signal after hilbert filter and other signal before hilbert signal, however, i have used simple adder but i...

13 May 2020 7,441 7 View

In matlab simulink, how to add underground cable block?

for example: for over head lines we can use pi section line or distributed paramters.I am working on the underground cable and in my system i want to add underground cable to get accurate results....

03 May 2020 3,280 3 View

How to Eliminate cosine error and abbe error in LASER measurement system(for example Rhenishaw XL80)?

I like to do project in laser measurement system. My objective is to eliminate or reduce the cosine error, abbe error in Laser measurement system. I have Rhenishaw XL80 system. Please tell the...

28 February 2021 4,890 3 View

How to measure angle between laser travel path and machine axis in Laser Measurement system?

25 February 2021 1,987 3 View

How to increase bacterial concentration of DNA from Laser capture microdissection samples?

I used laser capture microdissection, selected specific bacteria presented in ethanol-fixed slides. And DNA was extracted by Qiamp mini kit. The problem right now is we have pretty low...

09 February 2021 3,908 2 View

How to measure cosine, abbe, deadpath errors?

Dear sir, How to measure cosine, abbe, deadpath errors. I know cosine error, abbe error, deadpath error occurs in laser measurement. But how i can identify the cosine error value. Is any separate...

03 February 2021 4,878 4 View

How to apply graphene oxide on an gold electrode?

Dear Fellows, now it is the time to push graphene applications further in terms of easy and low cost production surroundings. Thus I recently dived in the materia and I am facing tons of papers,...

02 February 2021 6,284 2 View

Which method is preferable for cutting the nanocomposites?

Which of the methods like water jet cutting, diamond cutting, laser cutting, etc. is more suitable to cut the carbon nanotubes reinforced epoxy composites into test sample to ensure the clean...

29 January 2021 1,354 5 View

Where is the active point of VCSEL?

I am now working on the coupling between vertical-cavity surface-emission laser(VCSEL) and waveguide. However, the window design for laser emission is larger than the waist of Gaussian beam...

27 January 2021 8,318 1 View

Does use of hand sanitizer negatively impact the skin microbiome?

Hello, Most hand sanitizers contain 60-80% alcohol. Alcohol destroys organisms including bacteria, fungi, protists, and enveloped viruses by breaking down the plasma membrane. In recent...

16 January 2021 6,923 11 View

Detection of insect eggs in stored and processed products?

Currently, in order to identify insect eggs in stored or processed products (such as contaminated flour or wafer samples), staining was performed based on the method mentioned in the below...

15 January 2021 6,362 5 View

What can cause laser beam polarisation fluctuations?

Dear colleagues, We have observed large fluctuations in laser power in our setup and traced them down to fluctuations in laser beam polarisation. Attached is a schematic of the relevant part of...

14 January 2021 7,505 4 View