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Integration points in mapping stresses?

Hi I need an example of how to set initial stress in shell element model in Abaqus. I have certain stresses for each integration point however I dont know the way of setting it in SIGINI subroutine

11 December 2018 3,756 0 View

Mapping stresses in Abaqus?

I want to know How I can map the stress when preformed buckling and post-buckling. I read in one thesis, author mentioned about SIGINI/HARDIN subroutines. Unfortunately he did not explain about it...

06 July 2018 4,002 4 View

Initial stresses subroutine in Abaqus?

I am doing a research on investigating the influence of residual stresses/strains on press-braked cold formed steel I want to know How I can map the stress when preformed buckling and...

06 July 2018 1,934 0 View

Shell element Vs Solid element

What is the suitable element to use in Quasi-static problems? I am doing a simulation for press-braking operation to form a thin-walled steel plate in Abaqus. The simulation will be in 3D is shell...

07 August 2017 6,894 8 View

Shell element for through-thickness investigation

Hi everyone I am doing a simulation for press-braking operation to form a thin-walled steel plate in Abaqus. The simulation will be in 3D I choose shell element for that... MY QUESTION IS: is...

07 August 2017 5,508 13 View

Apply Pre-defined feilds in abaqus?

Hi I'm doing simulation for buckling and post-buckling of thin-walled CFS in abaqus. I want to know about the right way to apply stresses initially to the section. Is possible to import the...

11 December 2016 2,836 1 View

Divide the step time to subdivided step times in abaqus ?

Hi I running a job in abaqus for simulating Press-braking operation for cold formed steel. the problem is "the step time" I set seems quiet long and my computer took longer time to complete the...

08 September 2016 5,117 5 View

Restart abaqus explicit job?

Hi I tried to restart abaqus job but I got this message: "***ERROR: There are no steps saved on the restart file. If the original analysis was run with domain parallelization and multiple cpus...

03 April 2016 602 2 View

How to increase CPU usage in Abaqus/Explicit?

Hi all I'm running multiple jobs in Abaqus/Explicit I noticed that abaqus uses 60% of my computer CPU So, is there anyway to boost this percentage to greater than 60% (ex. 90%) in order to make...

01 February 2016 5,279 1 View

Hi... I have a question about Abaqus Explicit?

I'm doing FE analysis for metal forming process. In Abaqus Standard, the analysis took very long time. So, I changed to Explicit. However, the deformed shape I got form Explicit looks different...

31 December 2015 6,982 12 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