Page 153 - Pipelines and Risers

126 Chapter 9

I READINPUTDATA 1
.c
PROCESS INPUT,FIND REDUCTION
FACTORS, EFFECTIVE MASS
4
FIND PROBABILITIES OF OCCURRENCE OF
EACH SEASTATE
4
FOR EACH MODE SHAPE
4
FOR EACH SIGNIFICANT WAVE
HEIGHT'
4 - FOR EACH WAVE PERIOD' 1

FOR EACH WAVE
HEADING'
.c
FOR EACH CURRENT
VELOCITY INCREMENT
+
FIND PROBABILITY OF
CURRENTOCCURENCE
6 t +
FIND X-FLOW RESPONSE
1 MODEL DAMAGE- (1) FIND INLINE FORCE FIND INLINE RESPONSE
MODEL DAMAGE (3)
MODEL DAMAGE (2)
I
FIND CROSS-FLOW INDUCED
INLINE RESPONSE DAMAGE (1)
1
INLINE DAMAGE
~
CURRENT VELOCITY INCREMENT
FIND TOTAL DAMAGE FOR ALL THE
WAVE HEADINGS
+
FIND TOTAL DAMAGE FOR ALL THE
CURRENT HEADINGS
.c
FIND TOTAL DAMAGE FOR ALL
THE WAVE PERIODS
.c
FIND TOTAL DAMAGE FOR ALL
THE WAVE HEIGHTS
.c
FINDTOTALDAMAGE FOR ALL
THE MODE SHAPES

Figure 9.2 Flow chart showing the step in VIVA.