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[konsmi]

Hello everyone. I  study Civil Engineering and I work on a structural-geostatic task. I would like to ask how could I insert initial stress conditions    in a static stractural analysis.Is this possible only with APDL commands or there is another way? My analysis has multiple steps and I would like to insert in situ stress conditions between 0 sec and 1sec(steo 1).

 

Thank you in advance.

[Aniket]

check the INISTATE command in ANSYS help, also more info at:

https://ansyshelp.ansys.com/account/Secured?returnurl=/Views/Secured/corp/v195/ans_adv/Hlp_G_INSTINTRO.html

-Aniket

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[konsmi]

Thank you very much for the answer,Aniket.Yes, this is the command that i use in my analysis but i haven't managed yet to find a proper solution.

In my 2d analysis i use a simple square geometry with soil properties(Young's modulus,Poisson's ratio,soil dens γ.What i am trying to achieve is this:

I want the program initially,before any other loads application even gravity, to calculate the geostatic in situ stresses of the ground(s=γxH,H=height) properly

and give me as result this stress gradual increase,from the free surface to the bottom,according to equation. I will be glad to hear any ideas about this problem.

Thank you in advance.

 

 

[msteggewentz]

Hello Array,ndid you manage to find the solution? I think it's about the SSOPT,GEOSTATIC command, but I haven't managed to make it work yet.nMarlenen

[konsmi]

Hello,nNo I could not find a proper solution. I could not manage to simulate the initial ground stresses with a gradual increase according to the function: s= ?*h, h=depth of the ground.nRegardsn