Combined Stresses at Mid Span Solution

STEP 0: Pre-Calculation Summary
Formula Used
Combined Stresses at Mid Span = Stress due to Internal Pressure+Stress due to Longitudinal Bending at Mid-Span
fcs3 = fcs1+f3
This formula uses 3 Variables
Variables Used
Combined Stresses at Mid Span - (Measured in Pascal) - The Combined Stresses at Mid Span formula is used in structural analysis to determine the combined stress at the mid-span of a beam due to both bending moment and axial load.
Stress due to Internal Pressure - (Measured in Pascal) - Stress due to Internal Pressure refers to the amount of pressure-induced stress exerted on the walls of a container or vessel due to the presence of fluids or gases inside.
Stress due to Longitudinal Bending at Mid-Span - (Measured in Pascal) - Stress due to Longitudinal Bending at Mid-Spann refers to the amount of stress that develops at the extreme fibre located at the bottom of a cross section.
STEP 1: Convert Input(s) to Base Unit
Stress due to Internal Pressure: 61.19 Newton per Square Millimeter --> 61190000 Pascal (Check conversion ​here)
Stress due to Longitudinal Bending at Mid-Span: 26 Newton per Square Millimeter --> 26000000 Pascal (Check conversion ​here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
fcs3 = fcs1+f3 --> 61190000+26000000
Evaluating ... ...
fcs3 = 87190000
STEP 3: Convert Result to Output's Unit
87190000 Pascal -->87.19 Newton per Square Millimeter (Check conversion ​here)
FINAL ANSWER
87.19 Newton per Square Millimeter <-- Combined Stresses at Mid Span
(Calculation completed in 00.004 seconds)

Credits

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Thadomal Shahani Engineering College (Tsec), Mumbai
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University of Hawaiʻi at Mānoa (UH Manoa), Hawaii, USA
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12 Saddle Support Calculators

Bending Moment at Support
​ Go Bending Moment at Support = Total Load per Saddle*Distance from Tangent Line to Saddle Centre*((1)-((1-(Distance from Tangent Line to Saddle Centre/Tangent to Tangent Length of Vessel)+(((Vessel Radius)^(2)-(Depth of Head)^(2))/(2*Distance from Tangent Line to Saddle Centre*Tangent to Tangent Length of Vessel)))/(1+(4/3)*(Depth of Head/Tangent to Tangent Length of Vessel))))
Bending Moment at Centre of Vessel Span
​ Go Bending Moment at Centre of Vessel Span = (Total Load per Saddle*Tangent to Tangent Length of Vessel)/(4)*(((1+2*(((Vessel Radius)^(2)-(Depth of Head)^(2))/(Tangent to Tangent Length of Vessel^(2))))/(1+(4/3)*(Depth of Head/Tangent to Tangent Length of Vessel)))-(4*Distance from Tangent Line to Saddle Centre)/Tangent to Tangent Length of Vessel)
Period of Vibration at Dead Weight
​ Go Period of Vibration at Dead Weight = 6.35*10^(-5)*(Overall Height of Vessel/Diameter of Shell Vessel Support)^(3/2)*(Weight of Vessel with Attachments and Contents/Corroded Vessel Wall Thickness)^(1/2)
Stress due to Longitudinal Bending at Top most Fibre of Cross Section
​ Go Stress Bending Moment at Topmost of Cross Section = Bending Moment at Support/(Value of k1 depending on Saddle Angle*pi*(Shell Radius)^(2)*Shell Thickness)
Stress due to Longitudinal Bending at Bottom most Fibre of Cross Section
​ Go Stress at Bottom most Fibre of Cross Section = Bending Moment at Support/(Value of k2 depending on Saddle Angle*pi*(Shell Radius)^(2)*Shell Thickness)
Stress due to Longitudinal Bending at Mid-Span
​ Go Stress due to Longitudinal Bending at Mid-Span = Bending Moment at Centre of Vessel Span/(pi*(Shell Radius)^(2)*Shell Thickness)
Stress due to Seismic Bending Moment
​ Go Stress due to Seismic Bending Moment = (4*Maximum Seismic Moment)/(pi*(Mean Diameter of Skirt^(2))*Thickness of Skirt)
Combined Stresses at Topmost Fibre of Cross Section
​ Go Combined Stresses Topmost Fibre Cross Section = Stress due to Internal Pressure+Stress Bending Moment at Topmost of Cross Section
Combined Stresses at Bottommost Fibre of Cross Section
​ Go Combined Stresses Bottommost Fibre Cross Section = Stress due to Internal Pressure-Stress at Bottom most Fibre of Cross Section
Combined Stresses at Mid Span
​ Go Combined Stresses at Mid Span = Stress due to Internal Pressure+Stress due to Longitudinal Bending at Mid-Span
Stability Coefficient of Vessel
​ Go Stability Coefficient of Vessel = (Bending Moment due to Minimum Weight of Vessel)/Maximum Wind Moment
Corresponding Bending Stress with Section Modulus
​ Go Axial Bending Stress at Base of Vessel = Maximum Wind Moment/Section Modulus of Skirt Cross Section

Combined Stresses at Mid Span Formula

Combined Stresses at Mid Span = Stress due to Internal Pressure+Stress due to Longitudinal Bending at Mid-Span
fcs3 = fcs1+f3

What is Design Stress?

Design stress refers to the maximum allowable stress that a material or structure can withstand under certain design conditions without experiencing deformation or failure. It is a key factor in engineering design, as it ensures that a structure or component will be able to function safely and effectively under anticipated loading conditions. Design stress is typically determined through various types of analysis, including theoretical calculations, computer simulations, and physical testing. The specific factors that are taken into account when determining design stress include the type of material used, the geometry and shape of the structure, the anticipated loads and forces that will be applied, and the operating environment in which the structure will be used.

How to Calculate Combined Stresses at Mid Span?

Combined Stresses at Mid Span calculator uses Combined Stresses at Mid Span = Stress due to Internal Pressure+Stress due to Longitudinal Bending at Mid-Span to calculate the Combined Stresses at Mid Span, The Combined Stresses at Mid Span formula is used in structural analysis to determine the combined stress at the mid-span of a beam due to both bending moment and axial load. Combined Stresses at Mid Span is denoted by fcs3 symbol.

How to calculate Combined Stresses at Mid Span using this online calculator? To use this online calculator for Combined Stresses at Mid Span, enter Stress due to Internal Pressure (fcs1) & Stress due to Longitudinal Bending at Mid-Span (f3) and hit the calculate button. Here is how the Combined Stresses at Mid Span calculation can be explained with given input values -> 8.7E-5 = 61190000+26000000.

FAQ

What is Combined Stresses at Mid Span?
The Combined Stresses at Mid Span formula is used in structural analysis to determine the combined stress at the mid-span of a beam due to both bending moment and axial load and is represented as fcs3 = fcs1+f3 or Combined Stresses at Mid Span = Stress due to Internal Pressure+Stress due to Longitudinal Bending at Mid-Span. Stress due to Internal Pressure refers to the amount of pressure-induced stress exerted on the walls of a container or vessel due to the presence of fluids or gases inside & Stress due to Longitudinal Bending at Mid-Spann refers to the amount of stress that develops at the extreme fibre located at the bottom of a cross section.
How to calculate Combined Stresses at Mid Span?
The Combined Stresses at Mid Span formula is used in structural analysis to determine the combined stress at the mid-span of a beam due to both bending moment and axial load is calculated using Combined Stresses at Mid Span = Stress due to Internal Pressure+Stress due to Longitudinal Bending at Mid-Span. To calculate Combined Stresses at Mid Span, you need Stress due to Internal Pressure (fcs1) & Stress due to Longitudinal Bending at Mid-Span (f3). With our tool, you need to enter the respective value for Stress due to Internal Pressure & Stress due to Longitudinal Bending at Mid-Span 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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