This video shows a step-by-step process of imposing triaxial loading on a 3D Representative Volume Element of a Voided aluminium material. It is demonstrated with ABAQUS in mind the the virtual domain is created from a Python script automatically generated by a bespoke software called MontCarlGen3Dv1 developed by Dr. Michael Okereke. In the end, contour plots, stress-strain and triaxiality plots were generated to help quantify the triaxial behaviour of the aluminium material.
#triaxiality #rve #porousmedia #voids #abaqustutorial #triaxialloading #ductility #dilation #voidcoalescence
Time stamps
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00:00 - Intro
00:31 - Application areas of Triaxial loading in computational modelling
02:56 - How to generate voided virtual domain
03:00 - About MontCarlGen3D - a bespoke software for creating RVEs in 3D
03:56 - How to get a copy of MontCarlGen2D
04:01 - Theory: Description of Boundary Conditions used
07:07 - Theory: Extracting stress-strain data
08:52 - Subscribe to channel and CM Videos Insider Group
09:21 - Modelling: Understanding the Python script to be used
10:27 - Modelling: Steps for creating the Voided aluminium irtual Domain
14:50 - Modelling: Create Surface and Reference Point Nodal Sets
18:36 - Modelling: Create History values for extracting force-displacement profiles
19:31 - Modelling: Create *EQUATION kinematical constraints
21:20 - Modelling: How to apply boundary conditions on RVE
22:33 - Modelling: How to apply triaxial loads on RVE
24:29 - Modelling: Simulation Results
26:39 - Modelling: How to quantify the stress-strain response.
35:14 - Outro
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📥* DOWNLOAD MODEL RESOURCES: PYTHON SCRIPTS, EXCEL FILES
To download the Python scripts used in this video, as well as the Excel analysis template, then click on this link: cmvig.cmvideos.org/
Note that you will need to subscribe first to CM Videos Insider Group before access to to the files.
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📥* DOWNLOAD LINK TO SOFTWARE
1. MontCarlGen3Dv1: A software for generating random spherical inclusions within a 3D RVE. The inclusions can include: voids, particles, fibres, microcapsules, particulates, etc.
Download software here: www.cmvideos.org/shop/
2. PBCGen2D: A software for applying periodic boundary condition
Download software here: www.cmvideos.org/shop/
3. PBCGenlite: A lite version of software for applying periodic boundary condition
Download software: www.cmvideos.org/shop/
4. MontCarlGen2D: A software for creating random inclusions in 2D RVEs
Download software here: www.cmvideos.org/shop/
👨‍👩‍👦 CM Video Insider
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Become a CM Video Insider (100% free) to access modelling resources, advanced workshops, bonus trainings, behind the scene contents and regular CM Video updates: cmvig.cmvideos.org/
✔️*Link to Michael Okereke's Finite Element Applications textbook
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Okereke, M. and Keates, S., 2018. Finite element applications. Cham: Springer International Publishing AG. amzn.to/3Bv54Di
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