My first phase is Gravity loading, do I need to create a second Plastic phase and apply the acceleration in this phase and then do the Safety calculation? orcan I do it from the initial phase?
Dear Juan,
The initial phase is intended to simulate the in-situ stresses before humans come and change the current situation. This is useful to have a separate phase as especially with Gravity loading equilibrium needs to be reached. With K0-procedure you may need a following-up so-called nil step that no changes are applied to the geometry to ensure equilibrium.
I would indeed add the pseudostatic analysis in one of the upcoming phases.