Non linear buckling analysis with imperfection?

hello every one good day. i am using abaqus to perform a non linear buckling analysis in order to match it the experimental buckling load ,i have to use imperfection in my model but Increased the...

04 May 2017 8,835 4 View

Non linear buckling analysis with imperfection?

Hello Everyone , I am performing a buckling analysis on laminated composites shells. The load I am getting in Non Linear Riks method is greater than the Eigen Value Load . Can someone help me with...

04 May 2017 2,292 2 View

Square and filleted square?

09 October 2016 4,138 1 View

Delamination buckling load and depth position of delamination?

09 October 2016 2,248 2 View

Generation of MESH in cylindrical shell in abaqus?

31 December 2015 5,352 6 View

How can I generate a cuvred panal type of mesh in abaqus?

09 October 2015 7,140 2 View

What is the correct stacking sequence of Composite lay? up[45/0/-45/0/45/0/-45/0/45/0]2s?

hello every one... i m modeling composite laminates consist of an UPPER and Lower part which are tied through a cohesive elements, the stacking sequence is [45/0/-45/0/45/0/-45/0/45/0]2s... Where...

09 October 2015 8,667 6 View

How do I solve my problem when creating zero thickness cohesive elements?

09 October 2015 9,658 3 View

What is the most efficient way to create ZERo thickness cohesive elements?

hello every one.... i m modeling delamination using a zero thickness cohesive element in Abaqus . consider two plates and a zero thickness cohesive element in between them.. i create an orphan...

09 October 2015 7,399 8 View

Can anyone help me with the difference between solid and continuum shell layup?

08 September 2015 5,531 1 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

Why the results when using wall thickness and when using shell conduction are different in ansys fluent?

Actually, I am running cfd simulation for a heat exchanger which has two fluids one hot and other one is cold fluid. there is a solid domain between them, which I removed and instead I have used...

01 March 2021 9,537 2 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

How much pressure we can reduce at the outlet to avoid Reverse Flow?

I am simulating Heat Exchanger. I have tried and tested all the methods to resolve this issue from the internet like refining mesh, improving skewness and orthogonal quality ,extending outlet to...

01 March 2021 6,985 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