Classifications on Economic Statistics (HS to ISIC)?

04 December 2020 4,291 4 View

Which mathematical techniques we can combine with heuristic techniques to accelerate their exploration and exploitation capabilities?

As you may be knowing that there are different mathematical tools and techniques which we can combine or hybridize with heuristic techniques to solve their entrapment in local minima and...

30 August 2020 6,146 4 View

How we engineers and mathematicians can be of help in fighting COVOD-19?

While most governments try to hide the facts and manipulate statistics about COVOD-19 due to political/economical/stupidity reasons, many physicians and scientists are currently working on finding...

03 March 2020 5,178 26 View

What is the future of Meta-heuristics?

I mean every year new optimization algorithms are being developed by researchers and then, they start solving same kind of problems previously solved by their classical counter parts like Particle...

17 November 2019 9,892 49 View

HIL simulation with MATLAB & dSPACE 1104 ?

Dear all, I need to do HIL as part of my project. I intend to use HIL with MATLAB 1104 as my controller. Please share your thoughts and experience if you have already done HIL with MATLAB and...

14 October 2019 3,504 3 View

How to learn LEAP (the Long-range Energy Alternatives Planning System)?

As you know, LEAP is a widely-used software tool for energy policy analysis and climate change mitigation assessment developed at the Stockholm Environment Institute. But generally, engineering...

25 September 2019 9,004 3 View

Is the Bayesian updating and/or Bayesian inference considered as a subset of machine learning or statistical learning methods ?

Bayesian updating and and Bayesian networks are used in so many machine learning algorithms, but can we consider them as machine learning techniques? and if we can, under what circumstances? and...

01 June 2019 9,351 5 View

Is there any publicly available radiology dataset for NLP purposes?

Hi everybody, I'm trying to extend one of my works on Radiology reports summarization in which I need to run my model on various datasets. I've found Indiana University chest x-ray dataset...

21 May 2019 4,056 4 View

How we can implement optimization algorithms easily in programming languages e.g. in MATLAB?

Let us take an example of PSO implementation by Syed Ali Mirjalili, respected researcher in optimization field. % Main loop for t = 1 : maxIter % Calcualte the objective value for...

18 March 2019 7,185 8 View

How can I create a new boundary condition on a comsol?

How can I create a new boundary condition on a comsol? I use a plasma module and I want to apply a new condition to the 3,4,5 panes. There are no boundary conditions on the...

12 March 2019 4,864 3 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