With the Groups tab highlighted, click Add/Remove Members. The Pipe Stress Interface window becomes greyed out and inactive. To exit the inactive window at any time, press Esc (escape key).

To remove branches from a Stress Group, the user is prompted to Identify element from the Pipework Application 3D view window, click to select the branches to be removed. A Confirm window is displayed. Click Yes to remove the selected branches or No discard any inputs and close the window.

When finished selecting the branches to remove in the Stress Group, press Esc (escape key). The Pipe Stress Interface window become active, with the branches deleted from the Pipe Stress Interface window and the Model Explorer.