Template:WebNotes/MPCStructuralHierarchy

Structural Hierarchy and SSI Selection For Aircraft Structural Analysis, you will use the structural hierarchy tree to define the structures, substructures, subsubstructures and structural items that will be considered. The structures and substructures are added from a predefined list that is the same for all analyses in the same repository (this can be maintained by an authorized user if you choose Home > Manage ATA Chapters). When you select a structural item (lowest level in the Structural Hierarchy), a panel at the bottom of the Properties tab displays a set of questions that can be used to determine if the item is a structurally significant item (SSI). A "Yes" answer to any of these questions will enable the commands to create the appropriate Accidental Damage (AD) and/or Environmental Damage (ED) analyses for the item.

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