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6.1.1 Boundary Conditions
In a multi-step analysis boundary conditions can be applied that are only active during the step. This applies to the Boundary, Loads, Contact and Constraints section of the FEBio input file. These sections can thus be placed inside the Step section to define a boundary condition that is only active during the step. If one of these sections is defined before the first Step section, the corresponding boundary conditions remain enforced during all the steps.