Page 459 - statbility for masters and mates

446 Index
Reserve buoyancy 27 Resolution of the component
moments 5
Resolution of forces 1±4 Resolution of moments 5 Resultant force 1
Resultant moment 5
Resultant thrust 266±7 Revision questions 429±31 Righting couple 43
Righting lever see GZ (righting
lever)
Rolling, in still water 290±95 Rolling period, formulae 385
Sag, effect on draft amidships 236±7
Sagging stress 342
Second moment of area 256±7 Section modulus 360, 361 Shallow water indications 279±80 Shear forces, in ships 347±8 Shearing stresses 326
beam theory 361±4 with ¯anges 364±6 without ¯anges 366±7
Ship squat:
de®nition 278±9
formulae 385
governing factors 280±84 interaction 306±308 supertanker 284±5
Ships:
construction rules 390
shape volumes 77±9
stability rules 391±3
strength formulae 384±5
types and characteristics table xi
Simple harmonic motion 290±91 Simpli®ed stability information
(Merchant Shipping Notice
1122) 372±7 Simpson's Rules:
for determining centre of pressure 270±76
Simpson's Rules (cont.)
for determining waterplane area
260
First 68±9, 72±4, 381 Second 70±71, 75±6, 381 Third 71±2, 76±7, 381
use of radian intervals 220
Speci®c gravity 19 Squat see ship squat Stability:
effect of bilging 214±15
effect of increasing beam 224±5 effect of increasing freeboard
225±6
formulae summary 380±86
Stability cross curves: GZ set 162±6
KN set 167±8
Stable equilibrium 44±5, 231 Statical stability curves 168±71 Statutory freeboard 36
Stiff (ship condition) 47
Still Water Bending Moment (SWBM) 350±52, 354
Stowage factor 207 Strength curves 346 Stresses:
de®nitions 325±30 longitudinal in still water
340±41
longitudinal in waves 341±2
Syllabuses, Department of Transport 395±400
Tank soundings, effect of trim 243±5
Tender (ship condition) 47 Tensile stress 326
Thrust 184±7
resultant 266±7
total 266
Time period 47
Tipping centre see centre of
¯otation