Compressive Stress due to Vertical Downward Force Calculator

✖Total Weight of Vessel with Attachment widely depends on its size, material, and function.ⓘ Total Weight of Vessel [ΣW]			+10% -10%
✖Mean Diameter of Skirt in a vessel will depend on the size and design of the vessel.ⓘ Mean Diameter of Skirt [D_sk]			+10% -10%
✖Thickness of Skirt is typically determined by calculating the maximum stress that the skirt is likely to experience and their must be sufficient to resist the weight of the vessel.ⓘ Thickness of Skirt [t_sk]			+10% -10%

✖Compressive Stress due to force is the amount of force per unit area applied to the surface of an object in the opposite direction of its surface area, resulting in a decrease in its volume.ⓘ Compressive Stress due to Vertical Downward Force [f_d]

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Formula

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Compressive Stress due to Vertical Downward Force

Formula

`"f"_{"d"} = "ΣW"/(pi*"D"_{"sk"}*"t"_{"sk"})`

Example

`"0.677994N/mm²"="50000N"/(pi*"19893.55mm"*"1.18mm")`

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Compressive Stress due to Vertical Downward Force Solution

STEP 0: Pre-Calculation Summary

Formula Used

Compressive Stress due to Force = Total Weight of Vessel/(pi*Mean Diameter of Skirt*Thickness of Skirt)
f_d = ΣW/(pi*D_sk*t_sk)
This formula uses 1 Constants, 4 Variables

Constants Used

pi - Archimedes' constant Value Taken As 3.14159265358979323846264338327950288

Variables Used

Compressive Stress due to Force - (Measured in Newton per Square Millimeter) - Compressive Stress due to force is the amount of force per unit area applied to the surface of an object in the opposite direction of its surface area, resulting in a decrease in its volume.
Total Weight of Vessel - (Measured in Newton) - Total Weight of Vessel with Attachment widely depends on its size, material, and function.
Mean Diameter of Skirt - (Measured in Millimeter) - Mean Diameter of Skirt in a vessel will depend on the size and design of the vessel.
Thickness of Skirt - (Measured in Millimeter) - Thickness of Skirt is typically determined by calculating the maximum stress that the skirt is likely to experience and their must be sufficient to resist the weight of the vessel.

STEP 1: Convert Input(s) to Base Unit

Total Weight of Vessel: 50000 Newton --> 50000 Newton No Conversion Required
Mean Diameter of Skirt: 19893.55 Millimeter --> 19893.55 Millimeter No Conversion Required
Thickness of Skirt: 1.18 Millimeter --> 1.18 Millimeter No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

f_d = ΣW/(pi*D_sk*t_sk) --> 50000/(pi*19893.55*1.18)

Evaluating ... ...

f_d = 0.677993975016327

STEP 3: Convert Result to Output's Unit

677993.975016327 Pascal -->0.677993975016327 Newton per Square Millimeter (Check conversion here)

FINAL ANSWER

0.677993975016327 ≈ 0.677994 Newton per Square Millimeter <-- Compressive Stress due to Force

(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)

Compressive Stress due to Vertical Downward Force Formula

Compressive Stress due to Force = Total Weight of Vessel/(pi*Mean Diameter of Skirt*Thickness of Skirt)
f_d = ΣW/(pi*D_sk*t_sk)

What is Design Stress?

Design stress is the maximum stress that a part, component, or structure can withstand without failing. It is usually defined as a certain fraction of the ultimate strength of a material, and is used to ensure that a structure can safely handle the loads it will be subjected to during its normal operating life.

How to Calculate Compressive Stress due to Vertical Downward Force?

Compressive Stress due to Vertical Downward Force calculator uses Compressive Stress due to Force = Total Weight of Vessel/(pi*Mean Diameter of Skirt*Thickness of Skirt) to calculate the Compressive Stress due to Force, Compressive Stress due to Vertical Downward Force is defined as the stress that is placed on a structure as the weight of the structure needs to be supported by the foundation or other support structures. Compressive Stress due to Force is denoted by f_d symbol.

How to calculate Compressive Stress due to Vertical Downward Force using this online calculator? To use this online calculator for Compressive Stress due to Vertical Downward Force, enter Total Weight of Vessel (ΣW), Mean Diameter of Skirt (D_sk) & Thickness of Skirt (t_sk) and hit the calculate button. Here is how the Compressive Stress due to Vertical Downward Force calculation can be explained with given input values -> 6.8E-7 = 50000/(pi*19.89355*0.00118).

FAQ

What is Compressive Stress due to Vertical Downward Force?

Compressive Stress due to Vertical Downward Force is defined as the stress that is placed on a structure as the weight of the structure needs to be supported by the foundation or other support structures and is represented as f_d = ΣW/(pi*D_sk*t_sk) or Compressive Stress due to Force = Total Weight of Vessel/(pi*Mean Diameter of Skirt*Thickness of Skirt). Total Weight of Vessel with Attachment widely depends on its size, material, and function, Mean Diameter of Skirt in a vessel will depend on the size and design of the vessel & Thickness of Skirt is typically determined by calculating the maximum stress that the skirt is likely to experience and their must be sufficient to resist the weight of the vessel.

How to calculate Compressive Stress due to Vertical Downward Force?

Compressive Stress due to Vertical Downward Force is defined as the stress that is placed on a structure as the weight of the structure needs to be supported by the foundation or other support structures is calculated using Compressive Stress due to Force = Total Weight of Vessel/(pi*Mean Diameter of Skirt*Thickness of Skirt). To calculate Compressive Stress due to Vertical Downward Force, you need Total Weight of Vessel (ΣW), Mean Diameter of Skirt (D_sk) & Thickness of Skirt (t_sk). With our tool, you need to enter the respective value for Total Weight of Vessel, Mean Diameter of Skirt & Thickness of Skirt 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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