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Hi, thank you for the clarification. Actually, when I say envelope I would "only" need the maximum (positive) and minimum (negative) value reached in terms of acceleration for each node.

The problem is that (of course) the maxima are not simultaneous for all the nodes, so when you write:

Instead ...

Dear Massimo,

yes, you are correct. I am trying to plot the envelope of the maximum (and minimum) accelerations in time for each node. I would like to see a colour map like the Surface Color map but of course without time steps, only the maximum (and minimum)value for each node.

I have corrected ...

Dear STKO team,

Thank you I have watched the seminar and used the example test_virtual_result_query_node to change my code.

Now I have modified the code like this. Since I want the results for all the nodes, and I couldn't find a way to get the full number of nodes, I have just defined NN=6502 ...

Just for the sake of clarity, I am only interested in the component "Ax".
Thank you again

Dear STKO team,

I am trying to use Python API to visualize the envelope of minimum and maximum accelerations for each node of the mesh. I have followed the example of the Getting started Week 12 example, Utils 14 and 15 (load combination and envelope).

In my case I just want to get the envelope of ...

Dear Massimo,

Thank you very much for your help.

Of course, due to the deformation of the columns, only some portions of the column are in contact, while others (bending inwards) are not. Pay attention to the sign!, if they are in contact, you will see NEGATIVE stress (compression) in the soil ...

Dear Massimo,

Thank you very much for this. However, there are still some issues with the contact2D:

1a) The problem with the contact2D elements is still present. That is, both in the static and in the dynamic analysis the soil and the abutment wall are detaching (not in contact) thus producing ...

Dear Massimo,

In the original model I was trying to solve the following issues:

1. I have a contact2D in the interface between the backfill soil and the abutment walls. And in the old model the top of the structure seemed to detach from the soil, producing a strange deformed shape. I would like to ...

Hi STKO Team, thank you very much!

Hi, thank you for the response. Here is a sketch. It is a simple 2D model of a pile in an elastic medium. The only force is the horizontal force at the top node. The top node of the pile can be either free to rotate or fixed against the rotation if I add the fixed constraint, but I would like to ...