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An
Abaqus
simulation can include any number of steps.
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Implicit and explicit steps are not allowed in the same analysis job.
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An analysis step is a period of “time” during which the response of the
model to a specified set of loads and boundary conditions is calculated. The
character of this response is determined by the particular analysis procedure
used during the step.
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The response of a structure in a general analysis step may be either
linear or nonlinear.
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The starting condition for each general step is the ending condition of
the previous general step. Thus, the model's response evolves during a sequence
of general steps in a simulation.
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Linear perturbation steps (available only in
Abaqus/Standard)
calculate the linear response of the structure to a perturbation load. The
response is reported relative to the base state defined by the condition of the
model at the end of the last general step.
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Analyses can be restarted as long as a restart file is saved. Restart
files can be used to continue an interrupted analysis or to add additional load
history to the simulation.