How does ABAQUS interpolate a property with multiple field variable dependencies?

Fellow researchers, I have a query regarding the method ABAQUS uses for interpolating the values of a property that has multiple dependencies. I have read the Material data definition section in...

10 November 2017 8,075 1 View

Can I give a name to state variables in the contour legend in ABAQUS?

Fellow researchers, I am carrying out a heat treatment simulation to study phase transformation in a cylinder using ABAQUS. I have encode the phase transformation kinetics in UMAT subroutine and...

07 August 2017 4,205 2 View

What does the error "Application of adaptive constrains requires an adaptive mesh domain" mean?

Fellow researchers, I am preparing to model some erosion process in ABAQUS with UMESHMOTION subroutine and ALE adaptive meshing scheme. I have compiled the subroutine without any errors. However,...

02 March 2017 8,214 2 View

How is generalized plane strain configuration defined in ABAQUS?

Dear fellow researchers, I am attempting to carry out a thermal stress analysis on a 2d quarter cylinder part model I have attached in the image file. The geometry is in XY plane and I want to...

09 October 2016 3,362 3 View

Which is the best Python library for neural network and how to learn it?

Dear fellow researchers I would like to know the best library to do a neural network modeling in Python. I know programming (Python included) to an intermediate level. I have used MATLAB NN...

06 July 2016 8,984 3 View

How to generate code for a trained RBF (Radial Basis Function) neural network in MATLAB?

I have successfully trained an RBF network using two layers and I can readily get the weights and biases for both layers. Using these weighs and bias values I want to reproduce the network to...

02 March 2016 5,431 6 View

What is the meaning of "Specified constraint not allowed on slave DOF in coupled set"?

03 April 2015 3,573 2 View

Having trouble using the *VWRITE command in APDL. Can someone help me?

I am trying to output a results of a transient analysis in APDL of a beam to a file using *VWRITE. But i keep getting the error message "error in format not enough data format specifiers". I have...

02 March 2015 9,153 7 View

How to code open-ended questions in SPSS?

Hello all, In SPSS I am going to code 2 open-ended questions. I have already read all the answers and I made a list of the most important categories to which I can code the answers. This question...

02 March 2021 1,757 4 View

How can i resolve the "final solutuin is not converged" error in Comsol for my heat transfer simulation??

I have been trying to simulate heat transfer problem in Comsol 5.5 for long time but it always throw an error stating: "Failed to find a solution. Maximum number of Newton iterations...

28 February 2021 8,626 3 View

How to eliminate Steady state error from Reinforcement learning genetic algorithm code?

The following code (see 1st 2 images attached) is used to produce PID controller values that are designed to control the system (G). The code finds the PID controller values (noted as k) by using...

28 February 2021 6,560 14 View

How can we simulate an hyperelastic-viscoelastic behavor with Ansys APDL?

I am working on modeling and simulation of biomecanical material behaviour, I have succeded on simulating skin using anisotropic hyperelastic material, on APDL and in our lab's finite element...

28 February 2021 552 3 View

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

Modeling viscosity using model of Chung?

Hello, As part of simulation of gases mixture and water, I need to calculate viscosity of the fluid components and I am using relationships proposed by Chung et al. (1988). The irony is while I...

25 February 2021 8,053 5 View

Error in comsol?

Dear respected researchers, while performing CFD analysis in Comsol it's showing like this Error: Nonlinear solver did not converge. The maximum number of Newton iterations reached can...

24 February 2021 249 3 View

Satellite orbit estimation using Recurrent Neural Network - what should I use?

Hello, I am a master's student studying in Yonsei Univeristy, Korea. I am trying to estimate the state of satellite, using Neural Network. Below is a simple flow of my study. 1. Train (t0 ~ t1)...

23 February 2021 6,383 3 View

How can I get the coding gene sequences of Hela and U2OS cell lines? Is mRNA sequence of Hsp90 alpha tissue specific??

I am looking for hsp90 mRNA sequence in Hela and U2OS cell lines, I have tried through ncbi but always the output is hsp90 in homo sapiens not in the specific cell line. Kindly, could any one...

22 February 2021 1,853 3 View

How to constrain genetic algorithm input u?

My real system (buck converter) can only take an input of 0 to 1 (duty ratio) and I need to constrain the system so the controller action keeps within this bounds. How can I do this? The code for...

22 February 2021 2,125 3 View