I can not find any CIF file (crystallographic structure) of Co doped willemite (Zn2SiO4), Does anyone knows where can i find this kind of file?

I have searched for many websites such as (http://www.crystallography.net/cod/) and (http://rruff.geo.arizona.edu/AMS/amcsd.php). However, I could not find any structure I want. Thanks for your...

25 December 2020 1,933 2 View

Can anyone help me about what should I do in order to learn openfoam?

My major is chemical engineering and I'm going to learn openfoam software but I don't know how to begin. Can anyone help me and suggest me what should I do? I mean what should I know before...

04 October 2020 8,717 4 View

Can anyone please introduce a facile coating method for a surface with micro structures?

I want to apply a coating to a metallic surface with micro-grates. I want the coating to be applied only on the top of the grates and not intrude into the ridges. Can anyone please tell me how can...

22 June 2020 4,592 11 View

How to download Twitter tweets into Excel file?

I am working on a research and should deal with tweets of many tweeters on Twitter. I need a reliable website or software (free or paid) to get ALL the tweets that I choose from different...

09 February 2020 6,717 14 View

Why use beryllium window in xrd tube ?

why use beryllium window in xrd tube ?

23 April 2019 6,227 1 View

Abaqus why stresses are not transferred between elements?

Please refer to the picture. I believe stresses are computed for elements separately. Is this a connectivity issue?

14 December 2017 8,283 3 View

What is the role of zeta potential in gold nanoparticle functionalization with DNA probe?

09 September 2014 3,713 8 View

suggestions for courant number

Hi every body I saw in cfd book and cfd references " the cfl (Courant) number should below than 1' but in official star-ccm+ suggested bigger cfl for outer current to active HRIC scheme. whats...

01 January 1970 4,733 5 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 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