Problem with entering internal boundary conditions in COMSOL 5.3?

07 August 2019 8,085 7 View

Does anyone know about modelling tensile contact behavior in abaqus?

I modeled 2 part in abaqus and i want to until tensile stress between 2 surface is T, it transmit between 2 surface and up to T, to surface be separate of each other. Is there any model in...

07 May 2015 733 1 View

Is it necessary to use of 3D8R element in damage plasticity model in abaqus?

I want to use of damage plasticity model in abaqus. when i use of 3D8R elements, the running complete easily, but when i use of 3D20R, abaqus cant solve the model. Is it necessary to use of 3D8R...

05 March 2015 6,743 3 View

How can I prevent this problem in converging in explicit analysis in abaqus?

I have a 2D model in abaqus (Explicit) and analysis is quasi-static (with time 50). Material model is damage plasticity. I can see some crack in my model. But when I refine mesh, displacement will...

29 January 2015 9,939 2 View

How to define slide contact between two edge in abaqus explicit in a quasi-static analysis?

I modeled a 2D model in abaqus explicit. My analysis is quasi-static. When I put a hard contact between two edge, a divergence occur in my result. I can understand why this problem occurs. Time in...

21 January 2015 9,366 1 View

I have used of tie constrain in abaqus between two surfaces but after analyzing, two nodes are separate, why?

14 January 2015 1,515 3 View

Can abaquse model the staged construction?

I want to model a Dam in 8 stage.

09 November 2014 2,309 4 View

Efficiency?

I am using a Biorad real time pcr device which is quiet old and cyber green method. I have made different dilution twice (once dilution factor 2 and second time 5) four series from first to the...

04 May 2012 4,146 6 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

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

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 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

Can NFL theorem be valid in infinite search space in ML?

NFL theorem is valid for algorithms training in fixed training set. However, the general characteristic of algorithms in expanded or open dataset has not been proved yet. Could you show your...

01 March 2021 1,189 3 View

Does anyone know how to plot my station to a section plot on Ocean Data View (ODV)?

I made a vertical section plot with WOA .nc file on ODV, and now I want to plot my stations (csv. file) in it. Does anyone know how to import my points to the section? They are two different...

01 March 2021 3,610 1 View

How to address this issue in the analysis of Real-Time PCR results?

To dear Researchers, I was analyzing a series of concentration for estimation of Real-Time PCR efficiency. The concentration was 1:10. I used MS-excel to evaluate Slope. The result of slope was -8...

01 March 2021 8,683 4 View

How to arrange coordinates and extract climate dataset out of MPI-ESM-MR netcdf files?

Have a nice day everyone, I'm stuck in extracting datasets out of MPI-ESM-MR netcdf files because the latitude ranges from -3*10^6 to 3*10^6 and longitude ranges -5,9*10^6 to 5,9*10^6. Plus, the...

28 February 2021 912 3 View