How can I define a material in Abaqus when its behavior is dependent to thermal?

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I have Incorrect results in modal analysis of an arch bridge, what's wrong with the modeling?

09 October 2015 8,329 11 View

How I define the behavior of shape memory steel in abaquse?

I want to model behavior Shape memory material (SMA) in Abaqus .diagram stress-strain material is like this picture. This graph is adiabatic condition (because is high rate loading like...

08 September 2015 4,482 7 View

Any suggestions about direct cyclic analysis in abaqus ?

I want modeling fatigue steel railway bridge and a moving train is my load,do I need to enter my load to form cyclic? I do need some step or only one direct cyclic step is enough?

02 March 2015 7,590 8 View

How I can solve the convergence error in abaqus ?

hello researchers How I can solve this problem in my model analysis, the error message in the message file is as follows: CONVERGENCE CHECKS FOR EQUILIBRIUM ITERATION 2 MAX. PENETRATION ERROR...

31 December 2014 166 6 View

Why when I increase the speed of mass-oscillator (vehicle) on a truss bridge, the displacement in the center of the span decreases?

Hello dear researchers I modeled a 3D truss bridge in abaqus to study about effect of high speed train on the bridge.When I increase the speed of mass-oscillator (vehicle) on a truss bridge, the...

11 December 2014 1,673 20 View

How can I model blast loading at ground level in Abaqus?

10 November 2014 7,703 9 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

Elham Askari

Properties of the materials in this field was only introduced in Ascending.When zero is declining graph and again returned to its original state. The next question is about the graph more've explained

Reddy Ganta

Is the part of the curve in your figure in the T-e (Temperature vs. strain) plane loaded by thermal strain only and without any mechanical stress? If so, does this part enter in to the material property input?