Job parameter file (ASCII).

MSC.Fatigue Input file (Binary).

ASCII version of the jobname.fes file.

MSC.Fatigue intermediate results file (Binary).

MSC.Fatigue message and log files (ASCII).

Job status file (ASCII).

Global multi-node/element results file (ASCII).

This file provides useful information on the stress contribution and damage for each load condition at the analysis nodes for each rotational increment of the structure and each surface angle increment.

Loading time history/rainflow matrix files (Binary).

K solution XY data (ASCII).

Plotting format data (ASCII PCL file).

Results template files (ASCII).

Materials database description files (ASCII/Binary/Binary).

This sets the equivalent units for reporting purposes. Life is reported in terms of the equivalent units e.g. in the example shown life will be reported in Miles.

It is important to understand the concept of a load condition in this module. The load condition is not a Unit case - rather it is a sequence of subcases in a NASTRAN run. The load condition represents a particular type of loading e.g. the first load condition could be a sequence of subcases for one revolution of the wheel on a smooth surface, the second for one revolution of the wheel on a rough surface and so on. Clicking on the load condition cell displays a secondary GUI , shown in figure , that allows the user to select the subcases corresponding to the load condition. The descriptions of the fields and functionality of the secondary GUI are shown below.

This is the design life in the equivalent units. A factor of safety calculation is performed using this input e.g. if the design life input is 1000 miles and the calculated life is 1100 miles the factor of safety is 1100/1000 = 1.1

Stress results for the load condition may be scaled by specifying a factor in this cell.

Window displaying all the results cases in the database. Clicking on any one case will populate the lower window for subsequent filtering.

Subcases can be filtered on Subcase IDs by entering the appropriate IDs in the next field .

Enter range of subcase ID’s e.g. 1:30 or separate IDs (1 3 5) or incements ( 1:10:2 - means select subcases one through 10 by twos). Or use any combination of spaces and colons between subcase IDs to select as many as you wish.and click on Filter. The lower window will show the results of the filtering.

Click on this button to display the results of the range selected above.

Clears the lower window for the user to start over and specify a different range for filtering.

Removes a subcase that is clicked on in the lower window. The remove button is clicked after making the selection from the lower window.

The filtered subcases are added to the select loading conditions text box of the main loading form (Figure 8-80). These subcases are subsequently selected with the appropriate stress tensor results and loaded into load condition cell (Figure 8-80) with the Fill cell button.

The overwrite button allows the user to overwrite the results of a previous Add operation. The results in the select loading conditions text box of the main loading form (Figure 8-80) are replaced with the results from the current filter operation.

Close the window and return to the main loading form.

Fatigue job parameter data.

FE stress and fatigue input file.

Fatigue results file.

Message file.

Job status file.

This file provides useful information on the stress contribution and damage for each load condition at the analysis nodes for each rotational increment of the structure and each surface angle increment.