What kind of tape can be used to fix the samples on an XRD machine?

I have a very thin sample, the thickness is around 1 mm. I want to do X-ray diffraction measurement on the thin side of the sample. What kind of tape can I use to fix the sample, and will not...

13 February 2021 4,153 3 View

How to deal with fMRI data with long task block (120s)?

Respected researchers, Recently, I have got a bunch of fMRI data collected from an experiment using a block design. However, it has a very long task block (lasting for 120 seconds) and containing...

11 December 2020 3,609 3 View

How to export the standard XRD spectra of titanium alloy under different X-ray wavelength?

Hello all, which software can be used to export the standard XRD spectra of titanium alloy under different X-ray wavelength? How to operate? Such as 0.11 angstrom or 0.6887 angstrom (These X-ray...

07 December 2020 6,433 2 View

How to confirm the crystal face in synchrotron XRD data (Debye-Scherrer rings) ?

28 April 2020 4,247 3 View

Hydrogel's pore size at nano scale?

Hi all! I am selecting hydrogel materials for my DNA application. The ideal hydrogel should have a pore size between several to tens of nm and the pore to be negatively charged. The purpose of...

19 February 2020 3,862 3 View

What's the differences between the two control structures of grid-forming converters? Which one is more promising?

As far as I know, the control structures of grid-forming converters can be classified into 2 categories: one is single-loop without current control loop; the other includes a voltage loop and an...

16 February 2020 6,169 3 View

Is the term "inertia" still be a meaningful concept in future power grids?

With more and more renewable power integrated into power grids, the proportion of synchronous generators significantly decreases. As many researchers recommended the renewable power to emulate the...

30 November 2019 4,849 26 View

What are the mechanisms by which many G- bacteria can target cancer cells?

Several G- bacteria including Salmonella Typhimurium and E coli, have been engineered to treat cancers. One of the main things been found is that those bacteria can specifically colonize tumor...

30 October 2019 6,123 2 View

How to interpret synergy score in SynergyFinder?

I am trying to test whether two drugs have synergy in inhibiting cancer cells using SynergyFinder. I would like to know how one should interpret the results after the syngergy score is...

29 October 2019 4,733 1 View

In western blot, what kind of problem will cause antibodies stain the top area of each sample strip?

According to the color or the loading buffer and the protein ladder, the pull-down progressed successfully. And I also get right signals of beta-actin (lower ones), but another primary antibody...

28 August 2019 3,702 7 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

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

Which one is easier and better at modeling slender masonry structures? ANSYS or ABAQUS?

I need to model masonry and reinforced concrete minarets for my MSc thesis. Which one is easier and better at modeling slender masonry structures? ANSYS or ABAQUS? (Or any other program for just...

01 March 2021 736 3 View

How to assign different material properties to each element in Abaqus ?

Hello, I am writing a python script to generate my model and write the input file. The problem is I have 1000 elements in my mesh and I want to assign different material properties to each...

01 March 2021 9,511 3 View

How to define tie constraint between rigid body and another part in dynamic explicit model of Abaqus?

Hi dear researchers I connected a rigid body into the part of my structure by tie constraint and then I added displacement to rigid body, in static general step every thing is fine and these two...

28 February 2021 3,442 2 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

For modelling epoxy-based matrices (in composites), which model in ABAQUS is the most suitable, Concrete damaged plasticity or Drucker-Prager model?

I am working on developing a micromechanical FE model for predicting kink-band formation in UD composites. To model matrix plasticity, which model, out of Concrete Damaged Plasticity and...

28 February 2021 5,415 1 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

How can we use a hybrid element in Abaqus Dynamic/Explicit for impressible materials?

Hi, all! How can we use a hybrid element in Abaqus Dynamic/Explicit for impressible materials? I have not find the choice for explicit element in Abaqus CAE. I am wondering whether it is possible...

25 February 2021 9,936 2 View

Is it possible to do optimization for a submodel in Abaqus?

I'm trying to run an optimization in Abaqus for a submodel with no luck, jobs are not being create for submission. Is this even possible? or is Abaqus limited to do Opt. for the model itself...

24 February 2021 4,908 5 View