OrcaFlex Manual - Orcina

User Interface, Results
To obtain an Offset Table:
� Select Offset Table on the Results form.
� Select the offset vessel.
� Select the offset direction required.
� CLICK the Table button.
The report is presented in a spreadsheet.
3.9.7 Line Clashing Report
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The Line Clashing Report produces a detailed tabular report about the line clashing events during a simulation.
To obtain a Line Clashing Report:
� Select Line Clashing Report on the Results form.
� Select a line.
� Select the period required.
� CLICK the Table button.
The report is presented in a spreadsheet.
Contents of the Line Clashing Report
The report lists a summary table followed by a detailed table as described below.
Summary table
The summary table lists all clash events for segments on the selected line. A clash event is deemed to start when a
segment from the selected line first comes into contact with another line segment. We shall refer to the selected line
as L1 and to the particular segment on this line as S1. The clash event ends when S1 is no longer in contact with any
other line segments.
Note: During the course of a clash event the segment S1 may be in contact with a number of different line
segments from other lines, e.g. if the clash is a sliding contact. This is counted as a single clash
event from the perspective of S1.
For each clash event the following results are reported:
Event number
A number of clash events may occur during the simulation. Each event is given a number to identify it. This is useful
when relating the summary results of a clash event to the detailed results.
Segment number and segment arc length
This identifies the segment S1 on the selected line.
Start Time, End Time and Duration
The simulation time of the start and end of the clash event together with its duration.
Total Impulse
The total impulse of the clash event.
Peak Clash Force
A scalar value reporting the greatest value of clash force achieved during the clash event. The clash force vector is
monitored during each clash event and the greatest magnitude of this vector is reported.
Peak Clash Energy
A scalar value reporting the greatest value of clash energy achieved during the clash event.
Max Penetration
At each time step we calculate the depth of penetration between the outer surfaces of segment S1 and all other
segments. Let S2 be a segment on another line.