Access to pore pressure from UMAT?

Hi, I am using ABAQUS for soil consolidation analysis. Could anyone tell me whether there is a way to access pore pressure at gauss points (from UMAT) Thanks, with regards, Hansini

05 June 2017 9,934 2 View

Sign of the initial pore pressure?

Dear all, I am doing a plain strain consolidation analysis in ABAQUS. I know ABAQUS take compressive stress negative which is opposite to the sign convention used in soil mechanics. I want to...

03 April 2017 7,255 1 View

How can I access data of neighbour elements in ABAQUS UMAT?

31 December 2016 3,953 4 View

Convergence of biaxial test?

Hi, I am trying to model plain strain biaxial compression test for dense sand with ABAQUS Standard, I have implemented a critical state soil model in forms of UMAT. Well, as expected for dense...

10 November 2016 3,327 4 View

Boundary conditions for simulation of simple shear test-2D ?

Hi, I am trying to model a simple shear test in plain strain conditions in ABAQUS. I initially did a single element model. But when I try with multiple elements, I encountered some problems with...

09 October 2016 6,840 12 View

Can anyone help me calculate soil force on buried anchor plate?

11 December 2015 753 3 View

Which force is best to represent soil force on anchor plate?

11 December 2015 6,808 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