GiD forum

Hello,
I'm new with GiD and I need some help please.

I attached a problem I have to solve in this topic.

To solve it, I imposed initial unknown temperatures on both left and right sides of my geometry (20°C and 10°C respectively), initial unknown pressure on the right side (0.1 MPa), and a flux B.C on the left side with a prescribed pressure (0.2 MPa with an increment of 0.01).

I set the material conditions so as to make it a rockfill, with mass balance of water and energy balance equations to solve.

But I get the error message "Erroneous node numeration, mbndg > numnu". What does it mean and what should I do?

The error is raised by the exe of code_bright, I don't know its exact meaning.

a) Maybe the nodes numeration is not consecutive and this could be a problem for code_bright:
(the amount o nodes [GiD_Info Mesh NumNodes] different of the maximum id of nodes [GiD_Info Mesh MaxNumNodes])
Try to renumber the mesh in GiD: in view mesh mode use Utilities->Renumber

b) maybe there is no memory space to use a direct LU solver, try to use and iterative with sparse storage:
Data->Problem data: Solution strategy - Solver type: iterative

Thank you very much! It was a mesh problem.
Though I can't find the Renumber label.

Current version of GiD has the option inside of Utilities->Renumber.
Which version are you using?

I am using the latest version.
I didn't know how to remember, I found the command.
Thank you very much.