9/16/2023 0 Comments Using sigini subroutine![]() ![]() ![]() My experiences of these subroutines is linked to my research into extrusion of particulate pastes, which can behave as soils in that the pore fluid and solids matrix can phase separate over time.Įxtrusion involves very high strains (10000% or even higher). The SIGINI and VOIDRI subroutines supply the initial stress components and voids ratio at the integration points of the mesh elements. I have searched the ABAQUS documentation and google for any examples of these subroutines, but the best I can find is simple descriptions like this, which do not offer any examples of actual code: ĭoes anyone have a sample of SIGNI and VOIDR subroutines that you have written and implemented in a simple Abaqus model? If I could just see how the two subroutines are applied to a working model, I can certainly extrapolate and adapt the code to meet my particular model specifications. ![]() I have encountered some difficulty initializing stresses and void ratio for coupled pore-stress analysis using the built in Abaqus functions and as a result, I need to make use of subroutines SIGNI and VOIDR. I am in the process of establishing the appropriate initial conditions of a saturated soil base, submerged in water (i.e. ![]()
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