*Bins

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*Bins

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Purpose

To specify bins or divisions for histogram output.

Theory

Refer to Fatigue Analysis (Mode 1) for further information on this feature.

Keyword Format

A single line repeated as often as necessary to define the number of bins or divisions of the histogram. A histogram is assumed to start at 0, so the first entry on the first line is assumed to be the upper end of the first bin; the second entry is the upper end of the second bin and so on. Up to 20 values may be specified on a single line.

Value, Value, Value, Value, Value, etc.

This input is optional. If it is omitted the program uses a default bins specification depending on the unit system.

Table Input

Input:

Description

Divisions for Stress Histogram Output:

This entry allows you to enter values to specify how values are grouped in histogram output.

Notes

(a)Definition of bins is optional for a Mode 1 analysis (but required for a Mode 2 analysis). Several bin sets are typically required in a Mode 2 analysis, as you may be cycle counting various parameters. The Bin Set entry is not relevant to Mode 1 analyses, as the histograms produced are always stress histograms, and would typically all tend to have a similar order of magnitude.

(b)You can specify up to 20 values per line, and you may use as many lines as you need to completely define your histogram. A histogram is assumed to start at 0, so the first value you specify is the upper stress of the first bin of the histogram.

(c) Stress Histograms discusses stress histograms in more detail, and provides insights into the significance and use of some of the other input parameters relating to this type of LifeTime output.