Maximum Wind Moment for Vessel with Total Height Greater than 20m Solution

STEP 0: Pre-Calculation Summary
Formula Used
Maximum Wind Moment = Wind Load acting on Lower Part of Vessel*(Height of Lower Part of Vessel/2)+Wind Load acting on Upper Part of Vessel*(Height of Lower Part of Vessel+(Height of Upper Part of Vessel/2))
Mw = Plw*(h1/2)+Puw*(h1+(h2/2))
This formula uses 5 Variables
Variables Used
Maximum Wind Moment - (Measured in Newton Meter) - Maximum Wind Moment is calculated based on a number of factors, including the wind speed and direction, the size and shape of the building or structure, the materials used in construction.
Wind Load acting on Lower Part of Vessel - (Measured in Newton) - Wind Load acting on Lower Part of Vessel refers to the forces and stresses that are generated by wind acting on the surface area of the vessel below its center of gravity.
Height of Lower Part of Vessel - (Measured in Millimeter) - Height of Lower Part of Vessel refers to the vertical distance between the vessel's bottom and a point where the diameter of the vessel changes.
Wind Load acting on Upper Part of Vessel - (Measured in Newton) - Wind Load acting on Upper Part of Vessel refers to the external force exerted by wind on the exposed surface area of the vessel above a certain height.
Height of Upper Part of Vessel - (Measured in Millimeter) - Height of Upper Part of Vessel is typically defined as the distance from the bottom of the vessel to a certain point above the liquid level.
STEP 1: Convert Input(s) to Base Unit
Wind Load acting on Lower Part of Vessel: 67 Newton --> 67 Newton No Conversion Required
Height of Lower Part of Vessel: 2.1 Meter --> 2100 Millimeter (Check conversion here)
Wind Load acting on Upper Part of Vessel: 119 Newton --> 119 Newton No Conversion Required
Height of Upper Part of Vessel: 1.81 Meter --> 1810 Millimeter (Check conversion here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Mw = Plw*(h1/2)+Puw*(h1+(h2/2)) --> 67*(2100/2)+119*(2100+(1810/2))
Evaluating ... ...
Mw = 427945
STEP 3: Convert Result to Output's Unit
427945 Newton Meter -->427945000 Newton Millimeter (Check conversion here)
FINAL ANSWER
427945000 4.3E+8 Newton Millimeter <-- Maximum Wind Moment
(Calculation completed in 00.004 seconds)

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16 Design Thickness of Skirt Calculators

Wind Load acting on Lower Part of Vessel
Go Wind Load acting on Lower Part of Vessel = Coefficient depending on Shape Factor*Coefficient Period of One Cycle of Vibration*Wind Pressure acting on Lower Part of Vessel*Height of Lower Part of Vessel*Outside Diameter of Vessel
Wind Load acting on Upper Part of Vessel
Go Wind Load acting on Upper Part of Vessel = Coefficient depending on Shape Factor*Coefficient Period of One Cycle of Vibration*Wind Pressure acting on Upper Part of Vessel*Height of Upper Part of Vessel*Outside Diameter of Vessel
Maximum Wind Moment for Vessel with Total Height Greater than 20m
Go Maximum Wind Moment = Wind Load acting on Lower Part of Vessel*(Height of Lower Part of Vessel/2)+Wind Load acting on Upper Part of Vessel*(Height of Lower Part of Vessel+(Height of Upper Part of Vessel/2))
Thickness of Bearing Plate inside Chair
Go Thickness of Bearing Plate inside Chair = sqrt((6*Maximum Bending Moment in Bearing Plate)/((Width of Bearing Plate-Diameter of Bolt Hole in Bearing Plate)*Allowable Stress in Bolt Material))
Total Compressive Load on Base Ring
Go Total Compressive Load at Base Ring = (((4*Maximum Bending Moment)/((pi)*(Mean Diameter of Skirt)^(2)))+(Total Weight of Vessel/(pi*Mean Diameter of Skirt)))
Thickness of Base Bearing Plate
Go Thickness of Base Bearing Plate = Difference Outer Radius of Bearing Plate and Skirt*(sqrt((3*Maximum Compressive Stress)/(Allowable Bending Stress)))
Thickness of Skirt in Vessel
Go Thickness of Skirt in Vessel = (4*Maximum Wind Moment)/(pi*(Mean Diameter of Skirt)^(2)*Axial Bending Stress at Base of Vessel)
Axial Bending Stress due to Wind Load at Base of Vessel
Go Axial Bending Stress at Base of Vessel = (4*Maximum Wind Moment)/(pi*(Mean Diameter of Skirt)^(2)*Thickness of Skirt)
Maximum Bending Stress in Base Ring Plate
Go Maximum Bending Stress in Base Ring Plate = (6*Maximum Bending Moment)/(Circumferential Length of Bearing Plate*Thickness of Base Bearing Plate^(2))
Compressive Stress due to Vertical Downward Force
Go Compressive Stress due to Force = Total Weight of Vessel/(pi*Mean Diameter of Skirt*Thickness of Skirt)
Minimum Width of Base Ring
Go Minimum Width of Base Ring = Total Compressive Load at Base Ring/Stress in Bearing Plate and Concrete Foundation
Maximum Wind Moment for Vessel with Total Height Less than 20m
Go Maximum Wind Moment = Wind Load acting on Lower Part of Vessel*(Total Height of Vessel/2)
Maximum Bending Moment in Bearing Plate Inside Chair
Go Maximum Bending Moment in Bearing Plate = (Load on Each Bolt*Spacing Inside Chairs)/8
Maximum Tensile Stress
Go Maximum Tensile Stress = Stress due to Bending Moment-Compressive Stress due to Force
Moment Arm for Minimum Weight of Vessel
Go Moment Arm for Minimum Weight of Vessel = 0.42*Outer Diameter of Bearing Plate
Minimum Wind Pressure at Vessel
Go Minimum Wind Pressure = 0.05*(Maximum Wind Velocity)^(2)

Maximum Wind Moment for Vessel with Total Height Greater than 20m Formula

Maximum Wind Moment = Wind Load acting on Lower Part of Vessel*(Height of Lower Part of Vessel/2)+Wind Load acting on Upper Part of Vessel*(Height of Lower Part of Vessel+(Height of Upper Part of Vessel/2))
Mw = Plw*(h1/2)+Puw*(h1+(h2/2))

What is Design Height?

Design height refers to the effective height of a structural member or column that has been designed to resist compressive loads. In structural engineering, the effective height is defined as the length of a column or member between its points of zero bending moment, or the length at which the column or member buckles under compressive loads. The design height is an important consideration in the design of structural members, as it affects their ability to resist buckling and collapse under compressive loads. Structural engineers and designers use a range of analytical methods and computer simulations to determine the appropriate design height for different types of structural members, depending on the material properties, loading conditions, and other factors that may affect their performance.

How to Calculate Maximum Wind Moment for Vessel with Total Height Greater than 20m?

Maximum Wind Moment for Vessel with Total Height Greater than 20m calculator uses Maximum Wind Moment = Wind Load acting on Lower Part of Vessel*(Height of Lower Part of Vessel/2)+Wind Load acting on Upper Part of Vessel*(Height of Lower Part of Vessel+(Height of Upper Part of Vessel/2)) to calculate the Maximum Wind Moment, Maximum Wind Moment for Vessel with Total Height Greater than 20m refers to the maximum bending moment that is generated by wind forces acting on a vessel structure. Maximum Wind Moment is denoted by Mw symbol.

How to calculate Maximum Wind Moment for Vessel with Total Height Greater than 20m using this online calculator? To use this online calculator for Maximum Wind Moment for Vessel with Total Height Greater than 20m, enter Wind Load acting on Lower Part of Vessel (Plw), Height of Lower Part of Vessel (h1), Wind Load acting on Upper Part of Vessel (Puw) & Height of Upper Part of Vessel (h2) and hit the calculate button. Here is how the Maximum Wind Moment for Vessel with Total Height Greater than 20m calculation can be explained with given input values -> 4.3E+11 = 67*(2.1/2)+119*(2.1+(1.81/2)).

FAQ

What is Maximum Wind Moment for Vessel with Total Height Greater than 20m?
Maximum Wind Moment for Vessel with Total Height Greater than 20m refers to the maximum bending moment that is generated by wind forces acting on a vessel structure and is represented as Mw = Plw*(h1/2)+Puw*(h1+(h2/2)) or Maximum Wind Moment = Wind Load acting on Lower Part of Vessel*(Height of Lower Part of Vessel/2)+Wind Load acting on Upper Part of Vessel*(Height of Lower Part of Vessel+(Height of Upper Part of Vessel/2)). Wind Load acting on Lower Part of Vessel refers to the forces and stresses that are generated by wind acting on the surface area of the vessel below its center of gravity, Height of Lower Part of Vessel refers to the vertical distance between the vessel's bottom and a point where the diameter of the vessel changes, Wind Load acting on Upper Part of Vessel refers to the external force exerted by wind on the exposed surface area of the vessel above a certain height & Height of Upper Part of Vessel is typically defined as the distance from the bottom of the vessel to a certain point above the liquid level.
How to calculate Maximum Wind Moment for Vessel with Total Height Greater than 20m?
Maximum Wind Moment for Vessel with Total Height Greater than 20m refers to the maximum bending moment that is generated by wind forces acting on a vessel structure is calculated using Maximum Wind Moment = Wind Load acting on Lower Part of Vessel*(Height of Lower Part of Vessel/2)+Wind Load acting on Upper Part of Vessel*(Height of Lower Part of Vessel+(Height of Upper Part of Vessel/2)). To calculate Maximum Wind Moment for Vessel with Total Height Greater than 20m, you need Wind Load acting on Lower Part of Vessel (Plw), Height of Lower Part of Vessel (h1), Wind Load acting on Upper Part of Vessel (Puw) & Height of Upper Part of Vessel (h2). With our tool, you need to enter the respective value for Wind Load acting on Lower Part of Vessel, Height of Lower Part of Vessel, Wind Load acting on Upper Part of Vessel & Height of Upper Part of Vessel and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Maximum Wind Moment?
In this formula, Maximum Wind Moment uses Wind Load acting on Lower Part of Vessel, Height of Lower Part of Vessel, Wind Load acting on Upper Part of Vessel & Height of Upper Part of Vessel. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • Maximum Wind Moment = Wind Load acting on Lower Part of Vessel*(Total Height of Vessel/2)
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