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Hi @DerZweiteJulian2

Your license key has been deactivated in Altair One, and you can now reactivate your student license using the same key.

Kindly note, The Altair Free Student Edition license is valid for use on only one device, it cannot be shared or activated on multiple machines at the same time AND Deactivation and reactivation feature is only if a computer breaks down or reformatted and is only allowed a few times per user preprogrammed into the system.

You can deactivate the license from one machine and reactivate in another by yourself if you have access to both machines as per –
https://community.altair.com/discussion/34280/altair-student-edition-deactivate-from-one-computer-to-activate-in-another-in-the-rare-case-a-computer-is-lost-or-malfunctional#latest

Thanks

Hello,

The issue appears to be related to the element orientation. Please review the CIFHEX element orientations to ensure they are defined correctly.

Best regards,

Hi everyone,

I'm having some issues using Cohesive Zone Modelling in HyperMesh OptiStruct. I’ve run two simulations using exactly the same adhesive (same stiffness parameters, damage initiation, and damage evolution), but with slightly different Single Lap Joint geometries.

One of them, as shown in the attached second image, gives a reasonable response, while in the first one, the cohesive elements just stretch but no damage initiates at all.

At first, I thought it might be an issue related to the reference system of the cohesive elements, but even after defining it explicitly, the result remains the same.

Can anyone help me understand what’s going wrong and how to fix it? I’m quite stuck and really don’t know what else to try. I would really appreciate your help.

I’ve also attached both models in case anyone would like to run them.

Your previous license key activation is now deactivated in Altair one, you can now reactivate the student license with the same license key.

Deactivation and reactivation feature is only if a computer breaks down or reformatted and is only allowed a few times per user preprogrammed into the system.

You can deactivate the license from one machine and reactivate in another by yourself if you have access to both machines as per –

You should us HMCFD for setting up a fluids problem

I encountered the same problem and didn't know the reason, but I managed to solve it.

I deactivated the "Show export options" setting and then activated it again, which somehow resolved the issue.

You can find this setting under:  
File - Preferences - HyperMesh - Application - Show export options dialog

If you don't have any other options, it is worth trying this.

Hi Michele,

From your description it looks like you are working on contact based CZM technique. As the deformation is very high you need to do use Large displacement method.

I think you might be knowing there is also element based technique where you can model the adhesive and do the simulation.

I am attaching few docs and two models which you can refer for set up and explanation of CZM method.

Hope you find this helpful.

Thanks

Rajashri

yes correct

Thank You so Much.

Hi,

If you are just looking for the mass of the specific liquid part like runner, There is a work around you can follow.

1. Import the assembly and assign that part as a Cast part, create gate and open process tab.
2. If you setup everything, you can get total mass of the liquid parts.

See example in attached images.