What substance can I use for DIY recoating of a optical fiber?

During the process of inscription of FBG on the silica/glass optical fiber few centimeters of the fiber had to be stripped. Bare fiber is too fragile for mechanical measurements, so I thought...

10 August 2020 4,823 4 View

Are move probabilities used during MCTS procedure in AlphaGo Zero?

In AlphaGo Zero algorithm, the neural network returns a pair (p, v) consiting of a vector of move probabilities p and a scalar v indicating winning probability. The v is used for node evaluation...

06 June 2020 5,588 3 View

Can discretization method change non-observable system to became an observable one?

Is it theoretically possible, that after discretization by using Talyor Series Expansion, a non-observable nonlinear system will became an observable? It was proved, that used continuous model of...

15 May 2020 3,608 5 View

Is there any physicochemical data which tell which of two polymers will be on the surface after the 3D printing?

Hi, I prepared solvent of PHBV and PLGA in methylene chloride. The resulting slurry was then cast into a Petri dish and dried. The resulting film was used to fabricate composite scaffolds using...

06 November 2019 9,454 2 View

Did someone developed any analytical surface for the Berkovich indenter?

I need the analytical surface describing the geometry of the Berkovich indenter, taking into account the fact that the tip of the indenter is rounded with some radius. The modelling of the...

24 June 2019 4,607 4 View

What is the best animal model for testing the effectiveness of painkillers?

We have a substance that potentially reduces the sensation of pain. We want to study it on laboratory animals. We are looking for a way to measure pain in animals.

04 February 2019 6,146 4 View

Does anyone know a free microstructure generation algorithm?

Hello everyone, I would like to use some program to generate grain structure of a metal. Does anyone know any free code or program? The output data from this program wil be used for FEM...

01 June 2016 7,580 3 View

How reliable is texture measurement from the EBSD.comparing to texture obtained using the X-ray diffraction?

How reasonable is obtaining a polycrystal texture from the EBSD measurement comparing to the results obtained using the X-ray diffraction? Is the typical investigation area in EBSD smaller or bigger?

14 September 2015 1,615 9 View

What is the optimal buffer for DNase I?

I would like to use DNase I (from bovine pancreas, Roche) to get rid of DNA. Roche/Sigma does some recommendations (1 mg/ml enzyme, pH 7.0, Ca 0.12 mM, some Mg), but I did not find a comprehensive...

06 September 2015 9,806 4 View

Heat transfer coefficient depend on kind of fluid that take part in the heat exchange, but is it depend on kind of material that take part in process?

24 September 2014 9,175 23 View

How to define and get results (stresses) for certain points of a model in abaqus, using python? When the size of the model changes?

I want to do a parameter study of a aixsymmetric cylinder in Abaqus. I want to create several jobs where I get the stresses for 3 different points in my model. These points are defined. I wrote a...

01 March 2021 10,078 1 View

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 3 View

Why the results when using wall thickness and when using shell conduction are different in ansys fluent?

Actually, I am running cfd simulation for a heat exchanger which has two fluids one hot and other one is cold fluid. there is a solid domain between them, which I removed and instead I have used...

01 March 2021 9,537 2 View

How can I integrate a routing protocol in a tiny device (e.g. Raspberry Pi)?

Hi Community, I'm facing the issue of integration/compiling a new routing protocol in a WSN simulator. The final goal is to successfully add, configure this routing protocol in hardware devices...

01 March 2021 9,332 6 View

How much pressure we can reduce at the outlet to avoid Reverse Flow?

I am simulating Heat Exchanger. I have tried and tested all the methods to resolve this issue from the internet like refining mesh, improving skewness and orthogonal quality ,extending outlet to...

01 March 2021 6,985 3 View

How to classify strictly upper triangular matrices by similarity?

Let F be a field. Consider U, the set of n times n strictly upper triangular matrices in F. For X, Y in U, we call them similar if there exists some S, which is non-degenerate and upper...

01 March 2021 2,957 8 View

Is CD44 degraded in lysosome together with hyaluronan after CD44 mediated endocytosis of hyaluronic acid?

Also when RHAMM binds hyaluronic acid, they get internalized, will RHAMM also be degraded? Or both CD44 and RHAMM will be transferred back to the cell membrane? Asking for breast cancer cell line...

01 March 2021 8,169 2 View

Why is the sum of the elements in a row in a Q matrix equal to zero?

When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?

28 February 2021 3,864 3 View

Distribution of particles in metal matrix?

How would define the "good" and "poor" distribution of particles within the matrix. Is there a quantitative solution to assess the distribution of the particles, which then having denotation of...

28 February 2021 7,397 8 View

How to find a correlation between coordinates in a curvilinear coordinate system?

Hello. I have a skewed elliptical coordinate system (I use alternative elliptical coordinates). And I need to determine connections between coordinates in order to fetch a covariance matrix of...

28 February 2021 364 3 View