Fatigue Groups is an envelope of Load Groups and their stress history (amount of cycles for stress range) which is used in fatigue standards.
1 Cycle = period of time where stress of the load varies from its minimum to maximum and back to minimum. Stress results for load will be summarized as many times as defined in item cycle and divided on total amount of cycles to calculate part of fatigue damage taken by Fatigue Group.
To create new Fatigue Group executefrom the main menu:
Press Fatigue Item Cycles value to selected items in the table;to apply
Press to paste cycles starting from first selected item in the table.