For the current example, the Tensile Strength (ST field of the NASTRAN card) for the material of the horizontal plate is set to 300 N/mm2 and that of the vertical plate is set to 275 N/mm2.Suppose now that we would like to identify the areas of these plates that exceed the allowable stress limits for these plates.1.Activate the Non-Linear from Right Mouse Button menu on the fringebar and select the Spacing... option from Right Mouse Button menu on the fringebar.2.In the window that appears enter a name for the new range that will be created.3.Enter new values for each field, starting from the one at the top.