Learning Forum

[Alex1EDP]

Hello,

 

I am trying to simulate the construction phase of a concrete dam, meaning I have the geometry and mesh generated and divide into three phases of concreting.

I would like to run the self-weight analysis divided into three steps:

1. self-weight applied to the first third of the dam;

2. adding the second construction phase on top of the prior step and results;

3. adding the final phase of construction on top of the second phase.

Is this possible?

[peteroznewman]

ANSYS staff are not permitted to open attachments. Please use the Insert Image button.

One way is to use Element Birth and Death to turn layers 2 and 3 on in steps 2 and 3 of the analysis that starts with layer 1.

[Alex1EDP]

Thank you very much for your reply. 

I am trying to use that method but it takes a long time to run the simulation.

[peteroznewman]

Some of my simulations run for tens of hours.

[Alex1EDP]

Hi thank you very much for your help.

I have solved my problem but now i am facing another one.

I am trying to perform a transient thermal analysis of the dam, meaning the temperatures vary over time and i am usaing the an apdl code but i keep getting the same error:

 

 *** WARNING ***                         CP =       1.328   TIME= 12:437

 There are no active degrees of freedom.                                 

 

 *** ERROR ***                           CP =       1.375   TIME= 12:437

 An unexpected error ( SIG$SEGV ) has occurred...  ANSYS internal data   

 has been corrupted.  ANSYS is unable to recover and will terminate.     

 Previously saved files are unaffected.  Please send the data leading    

 to this operation to your technical support provider, as this will      

 allow ANSYS, Inc to improve the program.