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To assign a release in selected directions only for spring hanger design, select connected pipe(s), not anchors or pipe supports, then Design>Assign Design properties, Object type Pipe. Clicking the Spring hanger sizing field activates a radio button to click. Users assign releases in selected local directions.
Imposed Anchor Displacements displacements can be assigned to anchors and other supports by selecting them, then Assign>Point loads>Ground displacement (keyboard shortcut type F, then G), choose a load pattern to associate with the imposed displacement, and type displacements in selected directions. In order for an assigned imposed displacement to work, the support must be acting in the direction of the imposed displacement. For example, if an imposed displacement was assigned to an anchor direction which was Free, there would be no imposed displacement acting in that direction.