Why does rectangular shape for nano wire?

Generally while doing molecular dynamics modeling of nano wires/ nano pillars, researchers are using rectangular shape nano wires. is that shape is obvious for nano wires?. why do they prefer...

11 December 2016 5,525 7 View

What is the difference among effective plastic strain, equivalent plastic strain and accumulated plastic strain?

Getting confusion with these terms in literature.

06 July 2016 6,681 5 View

What is the difference between total (Instantaneous) Elastic modulus and elastic modulus of the elastic-viscous network?

How to determine them in creep-fatigue interaction test of steel?

02 March 2016 6,099 5 View

Is there any code for optimizing the parameters in chaboche unified viscoplasticity model?

I am trying to apply Chaboche unified viscoplasticity model to my creep-fatigue interaction data. I understood how to calculate the parameters in this model but I am stuck at the optimization...

11 December 2015 2,198 9 View

Can anyone suggest me how to generate polycrystal in LAMMPS?

10 November 2015 5,440 6 View

Can anyone advise me how to get a triangular wave form in LAMMPS input?

I am doing a fatigue deformation of Cu. I know wiggle command which gives a sinusoidal wave form, but I want to use triangular waveform. Can anyone suggest me how to generate triangular wave form...

09 October 2015 2,782 2 View

Binary Logistic Generalized Linear Mixed model in SPSS. Is it doable?

I want to analyses the proportion of swimming sperm of three species of fish in two salinities. To analyse the proportion of swimming sperm in a Generalized Linear Model, I would use a Binary...

03 March 2021 2,297 3 View

What analysis to choose with a large neste dataset and clearly skewed or kurtotic distributions?

Hello! I have a dataset of n=3000 nested within 8 countries with approximately 200 or 400 responses in each country. I originally planned to perform multilevel modelling with 4 dependent variables...

02 March 2021 6,865 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

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

How can we simulate an hyperelastic-viscoelastic behavor with Ansys APDL?

I am working on modeling and simulation of biomecanical material behaviour, I have succeded on simulating skin using anisotropic hyperelastic material, on APDL and in our lab's finite element...

28 February 2021 552 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