MARINE & OFFSHORE ENGINEERING CALCULATORS

SHIP DESIGN

• ​DESIGN OF SHIP CYLINDRICAL CHAIN LOCKER​
• GALVANIC ANODE CATHODIC PROTECTION
• DNV SHIP MOTION ACCELERATIONS
• FREEBOARD CALCULATION
• TONNAGE CALCULATION
• ​RAO CALCULATION
• DYNAMIC POSITIONING ANALYSIS
• PIPELAYING CALCULATION
• SHIP RESPONSE CALCULATION
• PILE ANCHOR PULL OUT CALCULATION
• POSITION KEEPING CALCULATION
• BILGE KEEL LOAD CALCULATION
• SLOSHING LOAD CALCULATION
• ​​BOW TUNNEL THRUSTER SELECTION
• MODEL TEST ESTIMATION
• RESONANCE LOADS IN MOONPOOL AND DOOR DESIGN
• SEEKEEPING LIMITS OF SHIPS
• LOUVER SIZING CALCULATION
• FENDER ENERGY CALCULATION
• ANTI HEELING SYSTEM DESIGN

• RUDDER  TORQUE CALCULATIONS 
• STEERING GEAR CAPACITY CALCULATION​
• WINDLASS CAPACITY CALCULATION​
• RUDDER AREA CALCULATION AND RUDDER ARRANGEMENT​
• LAUNCHING CALCULATION
• SEAKEEPING CALCULATION
• SHIP MECHANICAL VENTILLATION CALCULATION
• SHIP HVAC CALCULATION
• GENERATOR CAPACITY CALCULATION
• EMERGENCY GENERATOR CAPACITY CALCULATION​
• AC LOAD ANALYSIS
• DC LOAD ANALYSIS
• SHORT CIRCUIT CALCULATION
• VOLTAGE DROP CALCULATION 
• TRANSFORMER CAPACITY CALCULATION
• ​

• RUDDER STOCK DIAMETER CALCULATION
• CODE OF SAFETY CHECK FOR SPECIAL PURPOSE SHIP 2008
• SHIP DIRECTIONAL STABILITY CHECK SEA TRIAL RESULTS PREDICTION
• SHIP BRIDGE NAVIGATION VISIBILITY
• NOISE & VIBRATION CALCULATION ON SHIPS
• EEDI INDEX CALCULATION
• SHIP PUMPS SELECTION
• SHAFT DIAMETER CALCULATION
• TORSIONAL VIBRATION CALCULATION FOR SHAFTS
• SHAFT VIBRATION CALCULATION
• SHAFT ALIGNMENT CHECK
• ANCHORING & TOWING EQUIPMENT SELECTION
• ​SHIP LIGHTSHIP ESTIMATION
• RESILIENT MOUNTS OR CHOKE FASTING CALCULATION
• ​SHIP MACHINERY CALCULATION
• ​SHIP PIPING SYSTEM DESIGN
• ​TANK CAPACITIES CALCULATION
• SELECTION OF TOWING AND MOORING FITTING
• PAINTING AREA CALCULATION
• WELDING DEFORMATION CHECK
• POWER & PROPELLER SELECTION FOR REQUIRED BOLLARD PULL
• PTO SELECTION FOR OTHER ELECTRICAL LOAD
• GEAR BOX SELECTION
• FIRE FIGHTING PUMP SELECTION
• SEA CHEST SIZING CALCULATION​

SHIP RESISTANCE & PROPULSION

RESISTANCE PREDICTION
​HOLTROP MENNEN METHOD

RESISTANCE PREDICTION
TRAWLER (RIDGELEY-NEVITT)

RESISTANCE PREDICTION DISPLACEMENT - SEMI PLANNING BOAT ( GROOT )

RESISTANCE PREDICTION
​ROUND BILGE CATAMARAN (MOLLAND)

• PROPELLER POWER AND THRUST COMPARISON FOR ENGINES
• BOAT PROPELLER THRUST AND ENGINE OPTIMIZATION
• PROPULSION SYSTEM DESIGN
• POWER PREDICTION OF BOATS - GERR METHOD
• RESISTANCE PREDICTION OF SYSTEMATIC SERIES OF SEMIPLANING-USNA

• RESISTANCE PREDICTION-FISHER METHOD
• RESISTANCE PREDICTION-SEMIPLANING TRANSOM STERN HULLS (LAHTIHARJU)
• RESISTANCE PREDICTION-HIGH SPEED CRAFT (MERCIER-SAVISTKY)

• RESISTANCE PREDICTION-TRANSOM STERN HULL (FUNG)
• PROPELLER STRENGTH CALCULATION FOR NAVIGATION IN ICE
• B SERIES PROPELLER DESIGN
• B SERIES PROPELLER WEIGHT ESTIMATION​​​​​​

HYDROSTATICS & STABILITY

• SHIP STABILITY CALCULATION
• FREEBOARD LENGTH CALCULATION

• ​SHIP INCLINING EXPERIMENT REPORT​
• RIGHTING ARM CALCULATION BY KN VALUES

• SHIP DAMAGE EXTENT AND MAX CARGO TANK LENGTH CALCULATION

SHIP STRUCTURES

• ​​SHIP RULE LENGTH CALCULATION
• GIRDER OR PLATE BUCKLING CHEC​​K
• MIDSHIP SECTION CALCULATION
  
• BUCKLING CHECK
  
• FATIGUE CHECK
  

• ​STIFFNER STRENGTH CHECK
• BOLLARD CAPACITY CHECK

• CIRCULAR CRANE PEDESTAL DEFLECTION CALCULATION​

MOORING

• MOORING BERTHING AND ANCHORAGE ENVIRONMENTAL LOADS ON TANKERS AND GAS CARRIERS (OCIMF-SIGTTO)
• API WIND AND CURRENT LOAD CALCULATION
• SHIPMOOR-WHARF OR PIERSIDE MOORING ANALYSIS SOFTWARE​

• PIER SIDE SHIP BERTHING LOAD CALCULATION
• MOORING BRIDLE PLATE OR PADEYE DESIGN VERIFICATION​

• MOORING LINE CATENARY CALCULATION
• RADIUS OF GYRATION CALCULATION FOR SHIP LOADING CONDITION​

TOWING & SEAFASTENING

• ​TOWING RESISTANCE OF BARGE
• SHIP TOWLINE ARRANGEMENT VERIFICATION​
• TOWING TENSION AT WINCH FOR VARIOUS CATENARY DEPTHS AND PAID-OUT LENGTHS
• ​BOLLARD PULL REQUIREMENT FOR BARGE WITH CARGO
• BOLLARD PULL CALCULATION OF SHIP​​​
• BOLLARD PULL CALCULATION OF JACKUP
• ​BOLLARD PULL CALCULATION OF SEMI-SUB

• ​BARGE MOTION LOAD DURING TRANSPORTATION ( NOBLE DENTION )​​
• SEAFASTENING LOAD CALCULATION FOR TRANSPORTATION BARGE
• ​VESSEL DECK STRENGTH CHECK FOR UNIFORM LOADING
• SEAFASTENING STANCHION OR BRACES DESIGN
• PLATE TYPE STANCHION SIZING CHECK FOR PIPE TRANSPORTATION​
• PLATE THICKNESS VERIFICATION FOR LOADING

• MOTION LOADS ON SHIP CARGO

• DESIGN OF PADEYES FOR SEAFASTENING AND LIFTING
• LASHING PADEYE DESIGN​
• SEAFASTENING LASHING  STRAP DESIGN
• ​PIPE STACKING CHECK
• PITCH STOPPER DESIGN
• GUSSET PLATE DESIGN
• ​DOG PLATE DESIGN
• ​BUCKLING CHECK FOR SEA FASTENING
  
• ​WINDAGE AREA CALCULATION

MARINE & OFFSHORE LIFTING

• MARINE OFFSHORE LIFTING RIGGING ARRANGEMENT
• TWO POINT LIFTING
• TWO POINT ASYMMETRIC LIFTING
• TWO POINT LIFTING WITH SPREADER BAR
• ​​THREE POINT LIFTING
• ​​FOUR POINT LIFTING

• FOUR POINT LIFTING TWO HOOKS
• FOUR POINT LIFTING WITH ONE SPREADER BAR
• ​FOUR POINT LIFTING TWO SPREADER BAR
• ​CRANE HOOK STRENGTH CHECK
• LIFTING PADEYE DESIGN
• LIFTING SPREADER BAR DESIGN
• ​LIFTING TRUNION DESIGN

• SHACKLE SAFTEY CHECK: RIGGING ANALYSIS-NDI
• ​​RIGGING LIFTING BASICS AND THUMB RULES
• ​​​LIFTING LOAD CAPACITY VS CRACK LENGTH CALCULATION

OFFSHORE PIPE LAYING

• CATHODIC PROTECTION DESIGN
• EXPANSION ANALYSIS
• WALL THICKNESS CALCULATION 
• BOTTOM STABILITY CHECK
• BEAM TROL SHOE IMPACT CHECK
• DROP OBJECT CHECK
• BEAM TROL BOARD IMPACT CHECK
• RISER VORTEX INDUCED VIBRATION CHECK​​

• SHORE APPROACH & SOIL LIQUEFACTION CHECK
• SHORE APPROACH & COHESIVE SOIL EROSION
• WAVE PROPAGATION CHECK
• TRENCH SLOPE CALCULATION
• CROSSING SUPPORT SETTLEMENT CHECK
• CONCRETE CRUSHING CHECK
• SOIL STIFFNESS CALCULATION
• PIPE COLLAPSE CHECK​

• BOLT & CLAMP STRENGTH CHECK
• GROUT CALCULATION
• PUNCHING SHEAR CHECK FOR TUBULAR STRUCTURE
• PILE CAPACITY CHECK
• PIPE SOIL INTERACTION CHECK
• PIPE ULTIMATE STRENGTH CHECK

PROCESS

• CONDENSATE LINE SIZING
• FLARE STACK  CALCULATIONS
• KOD SIZING
• LINE SIZE & PRESSURE DROP CALCULATION
• PRESSURE OF REAL GASES
• REACTOR PARTICLE SIZING
• SCRUBBER DESIGN

• STEAM LEAK CALCULATION
• STEAM TRACING
• TWO PHASE FLOW
• VAPOR PRESSURE OF A LIQUID SOLUTION
• VELOCITY OF SOUND
• PSV RELIEF SIZING 
• LINE SIZING GRAVITY LINE

• LINE SIZING FOR SUBSEA PIPELINE​
• PIPE WALL THICKNESS CALCULATION
• RECIPROCATING PUMP SIZING CALCULATION
• SINGLE PHASE GAS LINE SIZING
• ​TWO PHASES LINE SIZING CALCULATION​

MACHINERY & PIPING

• SHIP FUEL ENDURANCE ESTIMATION​
• DEAD SHIP START ARRANGEMENT​​

• SHIP CARGO OIL STEAM HEATING CALCULATION​
• SHIP EXHAUST GAS BACK PRESSURE CALCULATION​

• ​PUMP POWER CALCULATION
• P-V VALVE VENTING CAPACITY CALCULATION​

TECHNICAL ARTICLES

• MOORING AND BERTHING LOAD CALCULATION
• ​ ANCHOR DEPLOYMENT PROCEDURE FOR OFFSHORE MOORING
• MOORING ANCHOR/CHAIN INSTALLATION AND TENSIONING
• FPSO-FSO MOORING HOOK UP PROCEDURE
• RISER INSTALLATION PROCEDURE
• RISER STRESS ANALYSIS
• ​LNG CARRIER DESIGN INSIGHT
• FPSO-FSO TOWING PROCEDURE
• ​FPSO-FSO BOLLARD PULL CALCULATION
• FPSO-FSO TANDEM MOORING HAWSER SYSTEM
• FPSO-FSO TURRET SYSTEM DESIGN​
• JACKET MUDMAT DESIGN
• ​TRANSVERSE STABILITY OF SHIPS
• ​PROBABILISTIC DAMAGE STABILITY APPROACH
• FPSO-FSO WET TOWING INTACT & DAMAGE STABILITY CALCULATION
• DRILLSHIP LIGHTSHIP WEIGHT CALCULATION
• DRILLSHIP MAXVCG AND STABILITY CALCULATION
• MOPU TOWING STABILITY ANALYSIS
• DAMAGE CONTROL INFORMATION FOR SHIP
• BILGE SYSTEM DESIGN
• FIRE MAIN FIGHTING SYSTEM
• SHIP PROPELLERS AND SHAFTING SYSTEM
• SHIP FRICTIONAL RESISTANCE
• WAVE MAKING RESISTANCE IN SHIPS
• RELATION OF HULL FORM TO RESISTANCE