Cohesive zone length meaning??

Hi, i am little confused about the term cohesive zone length in delamination modeling of composites. is it the thickness of cohesive zone? or something else? Thank you in advance

02 March 2019 7,783 2 View

Abaqus asxissymmetric model?

Hi i am working on abaqus open hole tensile model. i have given axis-symmetric boundary conditions for a quarter model. However, when i am using mirror command, there exists a gap in XZ plane. but...

31 December 2018 6,386 1 View

What should be the appropriate thickness of cohesive zone element??

I am working on delamination modeling by using cohesive zone approach in abaqus. i am defining abaqus inbuilt cohesive elements by defining the cohesive surfaces. i am concerned about the...

11 December 2018 151 3 View

How to define unit cell model in abaqus for heat transfer problem?

i am working on heat transfer problem . i have to model unit cell and find local temperatures then i have to go to global scale for finding the global temperatures. is there any reference or...

10 November 2018 5,874 1 View

How to insert cohesive zone elements in 3 D continuum shell quasi isotropic layup?

i am working on continumm shell 3D quasi isotropic layup. i have to model delamination by unserting cohesive zone elements between layers. can anyone give me good reference or tutorial. thanks

10 November 2018 3,471 3 View

Can i transform block diagaram to control logic diagram in MATLAB/SIMULINK?

i am working on boiler process model. i have devleoped boiler process model. i have boiler block diagram. can i transform my process model (block diagram ) to control logic diagram in MATlab/simulink

09 October 2018 7,447 0 View

Whats the difference between control logic diagram and block diagram??

i have to develop boiler control logic diagram on MATLAB/ SIMULINK. i have block diagram of boiler. i want to know the difference between control logic diagram and block diagram. i have attached...

09 October 2018 6,055 6 View

I am simulating low velocity impact on cfrp by using abaqus. i am confused defining amplitude of impactor in abaqus while defining velocity?

i have force vs time graph . i have to define amplitude. what should i do. as amplitude definition is important step in analysis

08 September 2018 5,417 3 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

LOAD DISPLACEMENT CURVES Stiffness increasing in ANSYS non linear analysis. HOW CAN I CORRECT IT?

Hi. I am doing non linear FE analysis using a new material beam under flexural 2 point loading using ANSYS. I have defined a bilinear material model. The solution has converged. In results I am...

01 March 2021 9,911 3 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

How relevant is Mini slump cone?

for all the rheology researchers, my question is, how relevant is a mini slump cone (smaller than a standard 50 cent rheometer). currently based on testing, the thickness of slumped material is...

26 February 2021 3,668 1 View

Stress/strain tensors decomposition ???

25 February 2021 6,760 1 View

How to reduce residual stresses in MD simulation?

I am working on a preparation of representative polymeric structures of some popular polymers, such as polyimide or PTFE for MD simulation, during which a single nitrogen or oxygen atom will be...

24 February 2021 8,105 3 View

Suggestions for occupational stress surveys?

I am currently writing a masters thesis on reasons for occupational stress in the early childhood classroom, and want to include a short survey assessing participants work-related stress levels. I...

24 February 2021 8,678 2 View

How do you mesh a thin solid in Fluent?

Hello, I have used the shell function on SpaceClaim to create thin solids for the model I am studying. These are contained within an enclosure for my study. I chose this approach as it avoids the...

24 February 2021 8,856 3 View

The most suitable method to calculate the stress intensity factor in the presence of contact between the crack lips?

I'm trying to study cracked structures under a compressive load taking into account contact between the crack lips. I would like to know if the method of extrapolation by displacement remains...

21 February 2021 8,694 4 View

Buckling analysis of a cylindrical shell in Ansys APDL?

In Ansys APDL, We are trying to validate our shell model for nonlinear buckling analysis considering the initial imperfection (as given by Ahmed et. al.) We have attached our results as attached....

13 February 2021 9,200 5 View