Fatigue Groups

Fatigue Groups is an envelope of Load Groups and their stress history. It is used in fatigue calculations for Eurocode 3 / EN13001 / DN-RP-C203 2016 / FEM 1.001 / DIN15018 standards. Eurocode 3 standard, including amount of cycles of each item and in total.

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.

Fatigue_group_stress

To create new Fatigue Group execute Job - Fatigue Group - Add.

Fatigue_group_add

The following Workplane will be displayed:

Fatigue_group

- select items in left table and add them to Fatigue Group with default cycle = 1;

- remove items from Fatigue Group;

- set Fatigue Item Cycle and apply to selected items in the table;

- paste cycles starting from first selected item in the table;

Press Create to create a Fatigue Group.