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Yesterday, 01:06

mhisham started a thread strain energy density function in Elastomers

what are strain energy density functions? how are they useful in hyperelastic models? can,t the same function be used in linear models?

2 replies | 24 view(s)

Yesterday, 15:23

EuanFoster started a thread Advanced Material Models in Abaqus in Finite Element Modeling

Hello there, I am fairly new to abaqus and I am trying to implement models that are not just a standard elastic model. I have been searching...

1 replies | 18 view(s)

2013-06-13, 05:08

mhisham started a thread material properties in Finite Element Modeling

What are the material properties required to model the geometric non-linearity of an O-ring made of viton material (undergoing compression) in ansys...

0 replies | 88 view(s)

2013-06-13, 12:54

cuba20052001 started a thread how to implement a logarithm calculation in VUMAT? The "log" is not available. in Constitutive Models

Hi, I want to simulate a strain rate effect model in VUMAT. And it involves a logarithm calculation, Qss=a+b *log(strain rate), for instance. I...

0 replies | 65 view(s)

2013-06-13, 01:11

mhisham started a thread damping in Finite Element Modeling

what is the difference between mass and stiffness proportional damping ?

0 replies | 54 view(s)

2013-06-15, 22:58

Mohamedsayed started a thread concrete damage plasticity variables? in Computer Software

Hello everyone, This is my first time to use Concrete Damage plasticity Criterion in Abaqus, I modelling rock, and the behavior of rock under low...

0 replies | 51 view(s)

2013-06-15, 22:24

ebdoep2 started a thread Find model weight - Abaqus / Python in Computer Software

I have been trying to solve this for a while. I need to find the weight of my model in Abaqus. I prefer to do it using python commands since I will...

0 replies | 29 view(s)

Yesterday, 23:49

mhisham replied to a thread strain energy density function in Elastomers

Thank you afreiden

2 replies | 24 view(s)

Yesterday, 19:39

afreiden replied to a thread strain energy density function in Elastomers

Different strain energy density functions provide different stress-strain relations. It is necessary to have a variety of options for strain energy...

2 replies | 24 view(s)

Yesterday, 15:29

EuanFoster replied to a thread Advanced Material Models in Abaqus in Finite Element Modeling

Sorry I should be more specific the material models I am currently wanting to gain more knowledge about are viscoelastic, Anisotropic and...

1 replies | 18 view(s)

Yesterday, 10:58

mdplacette replied to a thread Abaqus default units in Computer Software

This chart should help for a quick reference. From imechanica http://imechanica.org/files/1-4%20CAE%20Example.pdf

5 replies | 4009 view(s)

2013-06-17, 05:01

srikanta replied to a thread Modeling Viscoelastic model in Ansys in Viscoelasticity

I applied Prony Series and did a transient structural analysis in ANSYS but I didnt find any phase lag between stress and strain which should come...

7 replies | 2406 view(s)

2013-06-17, 04:46

srikanta replied to a thread Characterizing foam viscoelasticity and simulating with ANSYS in Finite Element Modeling

I applied Prony Series and did a transient structural analysis in ANSYS but I didnt find any phase lag between stress and strain which should come...

3 replies | 1387 view(s)

2013-06-17, 04:42

srikanta replied to a thread Viscoelasticity Constants in Ansys in Viscoelasticity

I applied Prony Series and did a transient structural analysis in ANSYS but I didnt find any phase lag between stress and strain which should come...

2 replies | 1495 view(s)

2013-06-17, 04:38

srikanta replied to a thread Dissipated energy in ANSYS and ABAQUS in Finite Element Modeling

the Prony series provides an effective tool in mechanical solutions from ANSYS for calculating deformation of materials where stiffness changes as a...

1 replies | 913 view(s)

2013-06-15, 08:46

Frank replied to a thread creep simulation abaqus in Constitutive Models

Abaqus Standard permits by default a maximum of 100 increments You have to define INC , a parameter for STEP or STATIC

4 replies | 636 view(s)

2013-06-14, 06:13

ignetious replied to a thread creep simulation abaqus in Constitutive Models

Hello All, I am new to creep modeling using Abaqus. I have been following a tutorial on creep modeling of pipe and modified the inputs based on my...

4 replies | 636 view(s)

2013-06-13, 11:52

shaheeri replied to a thread Prony Series in Viscoelasticity

i urgently need help as my thesis defense is next week. I have fitted Prony series with Creep and Stress Relaxation Test. They fit really well. BUT...

1 replies | 127 view(s)