*Timetrace

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*Timetrace

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Purpose

To request the creation of timetrace plots.

Theory

Refer to Code Checking for further information on this feature.

Keyword FORMAT

A block of two or more lines defining the location (i.e. element, local node) at which the outputs are required, and the associated element set definition. The element line may be repeated to request further plots within the same element set. The block may be repeated to request outputs for different element sets.

Block requesting force timetraces. Lines 2-4 can be repeated and mixed as often as necessary.

SET=Set Name

Element (Number or Label), Local Node, OUTPUT=Output Type

Output Type can be ALL, LFRD, WSD, VMS, METHOD1, METHOD2, METHOD3, METHOD4A, or METHOD4B. If you specify an element label rather than an element number, it must be enclosed in {} brackets.

Table Input

Input:

Description

Set Name:

The name of the element set.

Element:

The element (number or label) for which the timetrace is required. If you specify an element label rather than an element number, it must be enclosed in {} brackets.

Local Node:

This option allows you to choose between three locations on the specified element. First Node refers to the first specified node of the element, Last Node is the second specified node, and Midpoint is half-way between the two.

Output:

This list allows you to select a relevant output parameter. The entries are largely self-explanatory. See Note (a). 

Notes

(a)Refer to Output for a discussion of the various output parameters. The abbreviations used as are follows:

LRFD        Load and Resistance Factor Design

WSD        Working Stress Design

VMS        Von Mises Stress

METHOD1                API-STD-2RD: Utilization of combined membrane load

METHOD2                API-STD-2RD: Utilization of axial load based on yield tension

METHOD3                DNV-OS-F201: LRFD Utilization

METHOD4A        API-STD-2RD: Utilization of combined pressure and axial load

METHOD4B        API-STD-2RD: Utilization of bending strain