HASHIN progressive damage problem ?

Hi friends i'm working on progressive damage of Glass/Epoxy composite pipes. Because of plane stress condition, I use Abaqus default damage criterion (Hashin). The problem geometry is the...

07 August 2019 7,562 12 View

Stiffness test question?

Dear friends ; I did a stiffness test on a E-glass/Epoxy composite pipe which the pipe exposed to transverse vertical load . The Force-Displacement diagram is like attached file ? Why ? pipe...

11 December 2018 7,059 0 View

Composite shell failure ?

Dear friends. I modeled a graphite- epoxy composite plate with stacking sequences of ( 0/45/-45/0) in Abaqus software. but when i want to see failure indexes of Tsai-wu failure theory for each...

08 September 2018 3,012 3 View

Limitation on extra zoom in Abaqus ?

Hi friends. I built the microstructure model of dimensions (50 micrometer * 50 micrometer ) and when i meshed it, i could not large zoom on model in detail. Can anyone help me ? Additionally ,...

08 September 2018 5,872 3 View

Hashin progressive failure analysis (PFA) ?

Dear researchers. I've modeled an Eglass/Epoxy composite plate containing a hole in the center and is tensile-loaded from both sides. Hashin progressive failure in Abaqus software is used to see...

08 September 2018 2,027 4 View

Mass Diffusion Analysis?

08 September 2017 1,826 1 View

Dear researchers ! Does any one has a good textbook about progressive damage modelling in composite materials?

Progressive Damage modelling??

07 August 2017 5,779 4 View

Does anyone have an experiences about FEA modelling of hygro-thermo-mechanical effects on the filament wound pipes ?

03 April 2017 3,511 2 View

After a reference from Int J Body Compos Res, can any body help?

Hi, I am after the reference below, my library says it cannot obtain a copy either locally or internationally, any help appreciated! Chris Wang ZM, Heshka S, Wielopolski L, Pi-Sunyer FX, Pierson...

03 March 2021 6,193 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

Energy minimization in LAMMPS using NVT ?

How do I do energy minimization in lammps with NVT ensemble ? I am using the following command and it does not seem to work. It stops at extremely high energy and gives me the error zero search...

01 March 2021 2,294 3 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

Any research papers for extraction of nutrient deprivation on macroalgae? Analysed by HPLC-UV and GC/MS. Possibly from macroalgae genus Rhizoclonium?

I am doing my thesis on the nutrient deprivation on the macroalgae Rhizoclonium sp. I will be analysing the levels over a period of roughly 5 days by HPLC-UV and GC/MS. I will be using seawater as...

28 February 2021 6,477 1 View

Why is the sum of the elements in a row in a Q matrix equal to zero?

When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?

28 February 2021 3,864 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