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Hi I was checking the theory manual of the constitutive behavior in a porous medium. The manual provides a general effective strain equation that would include the grain bulk moduli, but it doesn't include the pore fluid bulk moduli (nor does it mention anything about young's modulus) in the...

How can i identify a certain material in the subroutine? Like i wanna do something like this if i have material x and y If (material .eq. x) then follow a certain logic if (material .eq. y) then follow another logic. So how can i do that?

Hi I am making this model where i am calling some variables (void ratio, pore pressure, etc) and creating others (Bf) using UVARM subroutine. variables are read using URDFIL, then by using common block to transfere the values to UTEMP where i am relating the TEMP to (Bf). The problem is ...

i have virtual fortran installed

I keep on getting this message "ifort.exe not found in PATH" when i am trying to submit a job with a linked subroutine. Anybody knows how to fix that?

It works with other models but not this one. Thats why i don't think it is a problem in linking between abaqus and fortran

I am trying to submit a job, and i always get this message problem during linking Abaqus-standard user subroutines. Any clue how can i overcome that?

even if i was changing in the next step?

yes

When i try to restart my analysis, i get this error message and i don;t understand why. ***ERROR: Features such as new nodes/elements, IMPORT, SYMMETRIC MODEL GENERATION, MAP SOLUTION are detected in a continuation analysis where the original model is defined in terms of...

I want to ask how can i change the hydraulic conductivity in a soil model in failed elements during analysis?

Can fluid bulk modulus (or fluid compressibility) in soil model, be introduced as a function? (and i don't mean temprature as a variable)

what about parition?

Thanks, but the numbers will be very weird and huge if i do so (for g gravity and water specific gravity). i tried to do simple analysis that i know it converges if i use seconds, but it didn't converge at all when i changed all units to day.

I want to use time=day instead of second in my analysis (to identify element permeability). Does this mean i should convert all time units to day? (including gravity m/day2 instead of 9.81 m/s2)?

How can i identify hydrostatic BC ?

in all soil tutorials, to achieve a drained analysis, loads are applied at one step (using very short time and without releasing the pore pressure) , then during the next step pore pressure is identified to be zero and the consolidation behgaviour is monitored with time. My question is, would it...

I am modelling an excavation, and i am wondering which parameter should give me the failure surface (plastic zone). the closest surface to what i was looking for was the AC yield, but still not sure if that is correct. Any ideas?

I figured out whats wrong with the analysis..Thanks

Hi There is something i am not sure i do understand it right. For consolidation (soil analysis-fluid/stress model), when i set a time for the consolidation step (either fixed or automatic) , would abaqus give the results at that time, or would it assume that it is the time for the 100%...