How to approach CFD simulation results of a flow past a cylinder?

Hi all, I'm doing a transient simulation of flow past a rectangular cylinder close to the free surface. As far as I'm concerned, the common practice is to discard the initial stages of the...

25 February 2021 1,348 3 View

How to calculate time-averaged fields from Ansys CFX solver?

I would appreciate any comments on the following problem. I need to calculate mean fields (e.g. pressure, velocity and vorticity), for which I activate Trn Stats tab in CFX-Pre. However, what I...

21 February 2021 8,548 7 View

The most suitable turbulent models to predict flow past a floating body?

Hi all, I'm planning to simulate flow past a floating body using CFD method with the main purpose of investigating its stability against hydrodynamic forces. A sketch of the problem is presented...

28 January 2021 5,872 5 View

Stable region for VL model?

29 December 2020 4,125 3 View

How can I fix the capacity curve of two different structure?

I have two frames for nonlinear analysis, one of them is CBFs and one of them is BRBFs ( the generals are the same, only lateral elements are different). When I drew the capacity curve of my...

11 November 2020 10,034 3 View

How to measure the equivalent sand-grain roughness of a sandpaper?

I want to use standard sandpapers of different grit sizes to impart flow resistance to a surface. I am wondering how to convert the roughness of sandpaper to an equivalent sand-grain roughness. Is...

18 October 2020 9,384 3 View

How to calculate transvers current correlation function (MD)?

12 October 2020 4,424 1 View

How can I obtain thermal efficiency in thermal photovoltaic (PVT) systems by CFD (FLUENT) method ?

Hi everyone I have a question about the thermal efficiency of photovoltaic thermal (PVT) system by CFD (FLUENT) method. Why thermal efficiency in the morning with 400 W/m2 radiation is more than...

13 September 2020 2,543 4 View

How to deal with ANSYS Q3D surface mesh generation error?

I am trying to extract the stray inductance of a PCB bus bar using ANSYS Q3D. I tried different types of meshes but every time in the middle of the simulation, this error "Surface Mesh Generation...

10 September 2020 2,060 3 View

How can I improve Reinforcement Learning Agent training?

Hello everyone, I am trying to develop an RL agent for a simple double integrator system. Unfortunately, my agent couldn't find the maximum reward. The attached figure is the average episode...

20 July 2020 6,159 4 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

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View

Can anyone provide the Support vector regression code structure of LIBSVM MATLAB or python ?

Please, if Gaussian Parameter optimization is possible in this code structure

28 February 2021 278 3 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

No module named 'tensorflow.keras.backend.tensorflow_backend' ?

System Description Cuda 11.2 GeForce GTX 1080ti tensorflow version 2.4.1 keras version 2.2.0 python version 3.8 I was getting the below error when I try to run my code on the...

25 February 2021 6,673 2 View

Implementation of chance-constrained optimization problem via scenario approach?

23 February 2021 7,826 2 View

Bayesian decision trees and bayesian regression trees in Python and/or R?

I am looking for implementation of bayesian decision trees and bayesian regression trees in Python and/or R.. Do you know if the existing libraries support this

23 February 2021 6,689 3 View

Are there packages (R or Python) for simple models (bucket?) to assess soil water content?

Hi everyone. I am researching droguht effects on soil water drought. I am looking for already implemented functions in R or Python to estimate soil water content from precipitation,...

21 February 2021 2,084 1 View

How can I retrieve FASTA sequence from gene ID or UID of a Gene ? I have GeneBank IDs ?

I treid to use Entrez Batch, but it redirects me to NCBI site. Is there any script of Linux or Python through which I can download Fasta sequence of list of gene ID ?

21 February 2021 7,783 12 View