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

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

Optimization Algorithm for an artificial neural network?

I am using the ANN for a product reliability assurance application, i.e.picking some sample within the production process and then estimating the overall quality of the production line output....

11 March 2019 7,435 14 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

fatal error

When I tried to energy minimization my system, I got fatal error as below. Fatal error: Atomtype opls_116 not found Although I've already added this line: ; include water #include "oplsaa.ff/spc.itp" to [molecultype] directive in my topology.

16 June 2021 0 0 View

Arena simulation - how do i model the following model in ARENA (see description) (new to ARENA)?

Hello, I'm fairly new to ARENA and I have the following problem: I have two queues in which, in each queue, a different order type arrives (both having an arrival rate of exponential 10). Order...

02 March 2021 2,431 3 View

Why are the velocities so high in my Boussinesq approximation Fluent simulation?

Hello, I have a mechanism where air rises due to convective flows. In this simulation, nothing is driving the air except this. I understand that the Boussinesq approximation only works for small...

02 March 2021 4,910 3 View

Why the results when using wall thickness and when using shell conduction are different in ansys fluent?

Actually, I am running cfd simulation for a heat exchanger which has two fluids one hot and other one is cold fluid. there is a solid domain between them, which I removed and instead I have used...

01 March 2021 9,537 2 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

In Molecular Dynamics Simulation, how do I make changes to the force field according to my protein?

Hi In Molecular Dynamics Simulation, how do I make changes to the force field according to my protein? I got this error in the add-ion stage: Fatal error "./ amber99sb-ildn-HHH.ff / force...

01 March 2021 8,747 4 View

How can you bring two structures together to create an adhesive bond in LAMMPS?

I have created an Ice 1h crystalline structure and an Aluminium substrate structure and equilibrated both at 250K. Now I need to bring them together in a way that an adhesive bond is created....

01 March 2021 3,325 2 View