Virtual Mass of Vessel Calculator

✖Mass of a Vessel refers to the total weight of a ship or boat, including its structure, cargo, fuel, crew, and equipment.ⓘ Mass of a Vessel [m]			+10% -10%
✖Mass of Vessel due to Inertial Effects of the water entrained with the vessel.ⓘ Mass of Vessel due to Inertial Effects [m_a]			+10% -10%

✖Virtual Mass of the Ship/ Vessel is measured as the summation of mass of the vessel and mass of the vessel due to inertial effects.ⓘ Virtual Mass of Vessel [m_v]

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Formula

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Virtual Mass of Vessel

Formula

m v = m + m a

Example

100 kN = 80 kN + 20 kN

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Download Important Formulas of Mooring Forces Formulas PDF PDF Image

Virtual Mass of Vessel Solution

STEP 0: Pre-Calculation Summary

Formula Used

Virtual Mass of the Ship = Mass of a Vessel+Mass of Vessel due to Inertial Effects
m_v = m+m_a
This formula uses 3 Variables

Variables Used

Virtual Mass of the Ship - (Measured in Newton) - Virtual Mass of the Ship/ Vessel is measured as the summation of mass of the vessel and mass of the vessel due to inertial effects.
Mass of a Vessel - (Measured in Newton) - Mass of a Vessel refers to the total weight of a ship or boat, including its structure, cargo, fuel, crew, and equipment.
Mass of Vessel due to Inertial Effects - (Measured in Newton) - Mass of Vessel due to Inertial Effects of the water entrained with the vessel.

STEP 1: Convert Input(s) to Base Unit

Mass of a Vessel: 80 Kilonewton --> 80000 Newton (Check conversion here)
Mass of Vessel due to Inertial Effects: 20 Kilonewton --> 20000 Newton (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

m_v = m+m_a --> 80000+20000

Evaluating ... ...

m_v = 100000

STEP 3: Convert Result to Output's Unit

100000 Newton -->100 Kilonewton (Check conversion here)

FINAL ANSWER

100 Kilonewton <-- Virtual Mass of the Ship

(Calculation completed in 00.004 seconds)

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Home » Engineering » Civil » Coastal and Ocean Engineering » Surf Zone Hydrodynamics » Harbor Hydrodynamics » Mooring » Important Formulas of Mooring Forces » Virtual Mass of Vessel

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Created by Mithila Muthamma PA

Coorg Institute of Technology (CIT), Coorg

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NSS College of Engineering (NSSCE), Palakkad

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< Important Formulas of Mooring Forces Calculators

Undamped Natural Period of Vessel

Go Undamped Natural Period of a Vessel = 2*pi*(sqrt(Virtual Mass of the Ship/Effective Spring Constant))

Individual Stiffness of Mooring Line

Go Individual Mooring Line Stiffness = Axial Tension or Load on a Mooring Line/Elongation in the Mooring Line

Mass of Vessel given Virtual Mass of Vessel

Go Mass of a Vessel = Virtual Mass of the Ship-Mass of Vessel due to Inertial Effects

Virtual Mass of Vessel

Go Virtual Mass of the Ship = Mass of a Vessel+Mass of Vessel due to Inertial Effects

Virtual Mass of Vessel Formula

Virtual Mass of the Ship = Mass of a Vessel+Mass of Vessel due to Inertial Effects
m_v = m+m_a

What is Mooring in Shipping?

Mooring is a procedure to anchor the ship to a fixed or floating element and keep it connected during loading or unloading operations. Safe mooring must withstand several forces, such as wind, the current, the tide and waves.

How to Calculate Virtual Mass of Vessel?

Virtual Mass of Vessel calculator uses Virtual Mass of the Ship = Mass of a Vessel+Mass of Vessel due to Inertial Effects to calculate the Virtual Mass of the Ship, The Virtual Mass of Vessel is defined as the sum of actual mass or displacement of ship m and added mass ma due to inertial effects of water entrained with ship. Virtual Mass of the Ship is denoted by m_v symbol.

How to calculate Virtual Mass of Vessel using this online calculator? To use this online calculator for Virtual Mass of Vessel, enter Mass of a Vessel (m) & Mass of Vessel due to Inertial Effects (m_a) and hit the calculate button. Here is how the Virtual Mass of Vessel calculation can be explained with given input values -> 0.1 = 80000+20000.

FAQ

What is Virtual Mass of Vessel?

The Virtual Mass of Vessel is defined as the sum of actual mass or displacement of ship m and added mass ma due to inertial effects of water entrained with ship and is represented as m_v = m+m_a or Virtual Mass of the Ship = Mass of a Vessel+Mass of Vessel due to Inertial Effects. Mass of a Vessel refers to the total weight of a ship or boat, including its structure, cargo, fuel, crew, and equipment & Mass of Vessel due to Inertial Effects of the water entrained with the vessel.

How to calculate Virtual Mass of Vessel?

The Virtual Mass of Vessel is defined as the sum of actual mass or displacement of ship m and added mass ma due to inertial effects of water entrained with ship is calculated using Virtual Mass of the Ship = Mass of a Vessel+Mass of Vessel due to Inertial Effects. To calculate Virtual Mass of Vessel, you need Mass of a Vessel (m) & Mass of Vessel due to Inertial Effects (m_a). With our tool, you need to enter the respective value for Mass of a Vessel & Mass of Vessel due to Inertial Effects and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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