I want to model a material for projectile analysis using Abaqus. Abaqus have a built-in material model based on johnson-holmquist(JH-2). But I want to look at that vumat file and want to work on that. can anyone provide the link for this vumat file to download?
Article An Improved Computational Constitutive Model for Brittle Materials
Abaqus does not give you access to the source code of their material routines.
Have you got any clue about how the JH2 was implemented in Abaqus? If you know about it already, please share it with me.
After installing Abaqus, you can find a folder with examples (look for exa_impactsiliconcarbide_jh2.inp; there is also an Abaqus tutorial about using it). If you open the file with notepad you can visualize its structure. There are some initialization inputs, followed by a long range of numbers (associated with geometry, discretization etc). At the end there are defined the parameters for JH2 model. You can design your geometry, apply the discretization, apply materials and so on. Finally save/export your work as inp file. After that try to follow the original structure (copy/paste JH2 parameters). Let's assume that everything was assembled without flows, then you can run the inp file in Abaqus (job, select the file source).
This is what I suggest. If it works, let us know!
I am confused about the JH2 model implemented in Abaqus.How use J-H2 in abaqus.Ican not find the model in abaqus interface.Can you share me? Thks!
That model is not part of the interface. It is a file. It can be opened with notepad and edited. After editing you can run it under Abaqus.
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