Why can't I get an Sdr value when measuring surface texture parameters?

I am performing a texture surface analysis of a polished ceramic surface using an optical profiler; amongst the parameters I am measuring is the Sdr. I got values for the Sdr when I analyzed my...

25 January 2021 4,462 3 View

Does anyone know about vision-guided control of civil structures?

I would like to know more about the following issues: 1. Using images as feedback for the closed-loop control of civil structures 2. Simulating the vision-guided control on the computer without...

03 January 2021 7,566 1 View

I have started to design a Lithium ion battery in Comsol. I need to merge the LIB model with PDEs. any idea how to do that ?

the electrode structure has secondary pore networks , so I need to use different governing equations for the electrodes. I tried to use PDEs , but I have not get any results. Does anybody have any...

02 January 2021 3,225 1 View

Has anybody done Mineral Potential Mapping using Artificial Neural Network in Matlab?

I would like to figure out how to integrate evidence layers using Artificial Neural Network (ANN) for mineral potential mapping (MPM) in the Matlab step by step. I will be grateful to you if you...

06 September 2020 2,413 4 View

Why i am getting pig spikes in the Avg fitness data from TinyGP?

hi all i am currently working with TinyGP which is a simple implementation of genetic programming for symbolic regression problems. so I am testing it with simple problems like sin(x) symbolic...

29 June 2020 9,720 2 View

Any suggestion with a mobile application can be to test hearing with reliable results?

I am looking for any experience with an application could be used to self test hearing with good reliability.

23 June 2020 6,876 3 View

How to draw a 3D model for ALSIN protein?

Hello I'm trying to model ALSIN protein for my article. It is a quite large protein with 1657 amino acids. First, I tried to use SWISS-MODEL web server, but Based on its homolgy modeling strategy,...

13 February 2020 7,735 8 View

How to find the leaky wave antenna dispersion curve?

I am trying to calculate the dispersion curve of a waveguide leaky-wave antenna using CST. I have seen people have mentioned methods to calculate the dispersion curve for periodic structures but...

24 November 2019 1,748 9 View

Dear researchers, is there any film to download which show how to make ready geo-spatial maps for subsequent process in Matlab?

Indeed, i want to model mineral potential zones by the use of neural network. But i dont know how to make evidential layers ready (such as making binary map) for follow up processing in Matlab. So...

22 June 2019 8,190 2 View

What are the different factors that affect the contrast of an image?

Medical Imaging

28 May 2019 9,969 8 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

Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence?

I am on the lookout for the Enhanced Yellow Fluorescent Protein (Aequorea victoria) DNA sequence. Does anyone know where I can find it? Thank you in advance

03 March 2021 3,568 1 View

What kind of fluid could I use for a pitfall trap that also does not invalidate molecular testing?

Hi, I want to start testing pitfall trap to obtain ants samples, but I need to conduct molecular analysis on those insects. So, what kind of fluid can I use? Ethanol expires too early and I need...

03 March 2021 5,978 5 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

Logistical regression using SPSS for a dichotomous dependent variable, with an independent variable of 1, 2, 5 and 10 seconds?

I have an experiment with 28 participants The independent variable is the times 1, 2, 5, and 10 used as the cross hairs during a task These 4 times were tested using 4 different blocks, each...

03 March 2021 9,692 2 View

Do we need to write protocol for a second study of a systematic review that has been registered and published?

I have conducted and published a systematic review and meta-analysis research with the topic related to public health and health pomotion (protocol was registed in PROSPERO). Now we want to...

03 March 2021 8,920 3 View