If the microalgae experience stress through transportation. What would be the best course of action to avoid it from becoming contaminated or killed?

I am currently doing an experiment in my faculty lab and I need living micro-algae to be transported from other countries. The samples will be done in Morocco and Spain and they will be sent to...

08 September 2020 4,424 2 View

Can anyone suggest a recipe to deposit thin films of TiO2 on glass substrates using sputtering?

I need to deposit Titanium dioxide (TiO2) on a glass substrate using sputtering, any suggestions for a recipe that can get a uniform coating please

03 September 2020 5,232 5 View

What is the effect of the large scale of behavior particle in a magnetic field?

As it is known there is a magnetic field in large scale universe, so the particle undergoes a magnetic field will be different in case of expanding universe or static one as it will be in the...

13 June 2020 6,258 3 View

Why do I need to calibrate the spectrometer connected to an optical microscope?

I am taking some measurements using a spectrometer connected to a microscope. My aim is to know the spectral position of the resonant peak. As I know, I need to calibrate the spectrometer for...

02 July 2019 8,043 2 View

I need help for implement 3d deployment optimizes in wireless sensor networks in omnet++ or NS3?

in 3d environment the wireless sensor networks can't coverage the area like we want , in my studies i want to optimize the deployment of the sensors for gain the number of sensors , please help me...

18 March 2018 9,276 1 View

On which window was made the fast Fourier transformation because the main frequency is not very precise?

concerning now comparing the CSD to the noise power can you explain to me why should I do this because from what I got from the cyclostationnary spectrum sensor that it is based on the correlation...

20 October 2017 5,278 2 View

Whet is the relationship between the signal measurement noise and the variation in signal distance?

01 June 2016 4,538 3 View

How to choice some trees adapted to water deficiency is difficult in arid lands ? Was the adaptation more interest than genetic expression ?

04 February 2016 6,184 3 View

Can anyone help with a problem in Qst3?

I want ask about the QST3. I make the run and the message Lnk1e in /usr/local/gaussian//g09/l103.exe I used opt=CalcAll and tried Opt=CalcFC both give me the same message.

11 May 2014 2,965 3 View

Joint behaviour in Abaqus is not captured well?

I am working on roof joint and trying to simulate the behaviour in Abaqus. I am successful in running the model but the final graph does not follow the experimental curve in the negative direction...

01 March 2021 6,661 3 View

How to modify Johnson cook equation in ABAQUS?

I wanted to add an extra parameter to the existing Johnson cook equation in the ABAQUS simulation. How to add those extra parameters. Ref: A modified Johnson-Cook material model with strain...

28 February 2021 4,841 3 View

How to find the right number of integration points in second order 3d finite elements?

I am familiar with finite element simulations and numerical schemes like the Gauss Legendre quadrature. I also know that the Gauss integration yields exact values for polynomials up to degree 2n-1...

27 February 2021 6,818 3 View

What could be the reason for not having further low chi square value (better agreement) in my refinement result?

I have tried every combination of parameter changes and after that i have a poor chi square value. I can't get it lower any further. I know there have been a lot of discussion about Rietveld...

26 February 2021 8,480 3 View

Which software is best to analyse multi-phase fluid flows ?

Hello everyone, hope all is good. I want to analyse multi-phase fluid flow through pipe, which software is best to do so ?

21 February 2021 4,230 8 View

Is there any effective FEM solver to perform simulation of balloon inflation with large deformation (e.g. 300% strain)?

Hi! Thank you for your time, attention, and support. I am currently using FEM solver Abaqus to perform a set of balloon inflation simulations, trying to understand the deformation shape, stress,...

14 February 2021 2,524 4 View

How to compare different models with different inputs and data length?

I want to run 5 different models to estimate stream flow. In order to optimize the characteristics of these models I use Taguchi method. So I have to run different models according to the Taguchi...

11 February 2021 7,986 6 View

How to choose the Hidden Layers Number and RBM Size in a DBN network?

Hello, When using a Deep Belief network (DBN) for images classification, how could we choose the number of hidden layers (number of Restricted Boltzmann Machines) and nodes (RBM size) in a hidden...

09 February 2021 4,618 5 View

Does Abaqus plugin AM-Modeler predict the same temperature/crystallinity history as UMATHT user-subroutine?

During AM process, progressively activation of elements can predict the temperature/crystallinity history, including surroundings heat losses and than this data could be used to determine the...

06 February 2021 4,686 1 View

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29 January 2021 2,623 1 View