Learning Forum

[user deleted]

Dear Ansys team,

I recently had the opportunity to watch his video titled "ANSYS Mechanical: Fatigue Crack Growth Analysis using SMART Crack Growth", and I was impressed by the quality of the explanation and the clarity with which the analysis process was demonstrated. However, to carry out a similar analysis on my computer and delve deeper into the topic, it would be of great help to have the geometric model used in the video.

Therefore, I would like to kindly ask if you could provide me access to the geometric model used in the mentioned video. This will allow me to replicate the analysis process in my local environment and make comparisons with the results presented in the video. 

Otherwise, I wanted to know if the geometric model used in the video mentioned in the previous email corresponds to the dimensions defined in the ASTM E647 standard and shown in the image below. If yes, I would like to know what "W" you have used. 

FIG. A1.1 Standard Compact C(T) Specimen for Fatigue Crack Growth Rate Testing (ASTM E647 standard)

I am trying to define it in Inventor but I am having problems defining the part where the crack propagates (area marked in yellow in the attached image below)

I look forward to your response. Thank you in advance for your attention and consideration of this request.

[Giorgos Papa]

 

Hello Jose,

 

You can find the exact dimensions and details of the geometry you are referring to in the Ansys Help site following the link below:

 

• 3.2.5. Example: Fatigue Crack-Growth Analysis Using SMART: https://ansyshelp.ansys.com/account/secured?returnurl=/Views/Secured/corp/v201/en/ans_frac/fracSMART.html

 

 

There are multiple ways of defining the initial crack (arbitrary, semi-elliptical, pre-meshed etc.).

Since you are following the Ansys video example using a pre-meshed crack, some useful information in how to define a Pre-meshed crack can be found at:

 

• • Ansys Help site on "Defining a Pre-Meshed Crack": https://ansyshelp.ansys.com/account/secured?returnurl=/Views/Secured/corp/v241/en/wb_sim/ds_define_pmcrack.html?q=pre%20meshed%20crack

   

  • Ansys Help Tutorial on “Fracture Analysis of a 2D Cracked Specimen using a Pre-Meshed Crack” (model files included) : https://ansyshelp.ansys.com/account/secured?returnurl=/Views/Secured/corp/v241/en/wb_sim/ds_define_pmcrack.html?q=pre%20meshed%20crack

 

 

 

Finally, if you’re interested in more training-tutorial material, there is a short course in Ansys Innovation Space where one of the modules included is “Modelling using SMART Fatigue Crack Growth with Pressure Loading”.

The link to access the Course is attached below:

/courses/index.php/courses/topics-in-fracture-mechanics-using-ansys-mechanical/

 

Kind Regards,

Giorgos

 

[user deleted]

Thank you very much for your help but I can only access the course link because the others ask me to fill out a form and I do not have an account number (client) because I am working with a student version.