How can one define the modes of dispersion curve numerically?

Dear all, I am trying to find a way to find dispersion curves of plates using Rayleigh-Lamb frequency equations. I used a repetitive procedure by sweeping through the frequencies and inside it...

25 November 2020 7,254 5 View

Is there any Impact and blast standard test for materials (such as concrete, steel , ....)?

I found just charpy and IZOD test for it. I want to know other tests?

18 August 2018 3,903 3 View

Could anyone give me damping property of steel?

i want to analyse a part and i need to know about damping property to insert and import in material module in abaqus software. the coefficient of damping for example alpha & beta are needed to...

31 May 2017 5,847 2 View

How to generating LDPC parity-check matrices with arbitrary sizes?

01 January 2017 5,719 5 View

How can I solve this Abaqus error?

HI I was encountered with this problem IN ABAQUS/ATANDARD: The executable standard.exe aborted with system error code 1073741819. Please check the .dat, .msg, and .sta files for error messages if...

24 October 2014 818 28 View

How many ways exist to separate train and test data sets in ANN? which one is the best?

I want to know which way is the best to separate data set to train and test? random? cross validation?

18 August 2014 8,960 19 View

How can I solve the warning massage in ANFIS?

I use an ANFIS toolbox to predict a parameter with anfis and this error has appeared. Warning: genfis1 has created a large rulebase in the FIS. MATLAB may run out of memory if this FIS is tuned...

18 July 2014 4,755 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

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