ONLINE CALCULATORS

SHIP DESIGN

• ​DESIGN OF SHIP CYLINDRICAL CHAIN LOCKER​
• GALVANIC ANODE CATHODIC PROTECTION
• DNV SHIP MOTION ACCELERATIONS

• RUDDER  TORQUE CALCULATIONS ( SPADE RUDDER )
  
• STEERING GEAR CAPACITY CALCULATION​
• WINDLASS CAPACITY CALCULATION​
• RUDDER AREA CALCULATION AND RUDDER ARRANGEMENT​

• 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

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

• ​STIFFNER STRENGTH CHECK
• BOLLARD CAPACITY CHECK

• CIRCULAR CRANE PEDESTAL DEFLECTION CALCULATION​

• 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 WINCH BRAKE AND PULL CAPACITY ON DIFFERENT LAYERS​

• 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
• BARGE MOTION LOAD DURING TRANSPORTATION ( NOBLE DENTION )​

• ​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

LIFTING

• ​​LIFTING LOAD CAPACITY VS CRACK LENGTH CALCULTION

• ​RIGGING LIFTING BASICS AND THUMB RULES

• SHACKLE SAFTEY CHECK: RIGGING ANALYSIS-NDI

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
• OFFSHORE MOORING GUIDELINES
•  ANCHOR DEPLOYMENT PROCEDURE FOR OFFSHORE MOORING
• ​PILE DRIVING METHODLOGY
• ​OFFSHORE MOORING PATTERN -COMMERCIAL ASPECT
• MOORING DESIGN CRITERIA FOR OFFSHORE INSTALLATION​
• FPSO SPREAD MOORING ANALYSIS GUIDE FOR BENIGN WEATHER
• ​FPSO MOORING LINE FATIGUE CHECK
• MOORING PRE-LAY AS LEFT DATA ESTIMATION​
• ​MOORING BUOY HOOK UP OPERATION
• MOORING ANCHOR/CHAIN INSTALLATION AND TENSIONING
• MOORING DESIGN & MOORING ANALYSIS OF BARGE
• ​TANKER REPAIR AND LIFE EXTENSION FOR FPSO CONVERSION
• FPSO-FSO MOORING HOOK UP PROCEDURE
• RISER INSTALLATION PROCEDURE
• RISER STRESS ANALYSIS
• FLOATING STORAGE REGASIFICATION UNIT ( FSRU ) DESIGN INSIGHT
• ​LNG CARRIER DESIGN INSIGHT
• GAS MANAGEMENT ON LNG CARRIERS
• FPSO-FSO TOWING PROCEDURE
• ​FPSO-FSO BOLLARD PULL CALCULATION
• FPSO-FSO TANDEM MOORING HAWSER SYSTEM
• FPSO-FSO TURRET SYSTEM DESIGN​
• JACKET TRANSPORTATION
• JACKET DOCKING
• JACKET UPENDING
• ​JACKET LAUNCHING
• JACKET MUDMAT DESIGN
• ​TOPSIDE FLATOVER​​
• ​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
• BALLAST AND ANTI HEELING SYSTEM DESIGN
• 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​
• PIPELINE AND RISER DESIGN BASIS
• PIPELINE TOWING AND RISER INSTALLATION
• MOORING BERTHING LOAD CALCULATION ON JETTY OR WHARFSIDE