Equivalent Bending Moment given Torsional Moment Formula

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Equivalent Bending Moment from MSST is the maximum bending moment calculated from the maximum shear stress theory, used to analyze stress distribution in a beam. Check FAQs
Mbeq=Mb MSST+Mb MSST2+Mtt2
Mbeq - Equivalent Bending Moment from MSST?Mb MSST - Bending Moment in Shaft for MSST?Mtt - Torsional Moment in Shaft for MSST?

Equivalent Bending Moment given Torsional Moment Example

With values
With units
Only example

Here is how the Equivalent Bending Moment given Torsional Moment equation looks like with Values.

Here is how the Equivalent Bending Moment given Torsional Moment equation looks like with Units.

Here is how the Equivalent Bending Moment given Torsional Moment equation looks like.

2E+6Edit=980000Edit+980000Edit2+387582.1Edit2
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Equivalent Bending Moment given Torsional Moment Solution

Follow our step by step solution on how to calculate Equivalent Bending Moment given Torsional Moment?

FIRST Step Consider the formula
Mbeq=Mb MSST+Mb MSST2+Mtt2
Next Step Substitute values of Variables
Mbeq=980000N*mm+980000N*mm2+387582.1N*mm2
Next Step Convert Units
Mbeq=980N*m+980N*m2+387.5821N*m2
Next Step Prepare to Evaluate
Mbeq=980+9802+387.58212
Next Step Evaluate
Mbeq=2033.85951826627N*m
Next Step Convert to Output's Unit
Mbeq=2033859.51826627N*mm
LAST Step Rounding Answer
Mbeq=2E+6N*mm

Equivalent Bending Moment given Torsional Moment Formula Elements

Variables
Functions
Equivalent Bending Moment from MSST
Equivalent Bending Moment from MSST is the maximum bending moment calculated from the maximum shear stress theory, used to analyze stress distribution in a beam.
Symbol: Mbeq
Measurement: TorqueUnit: N*mm
Note: Value should be greater than 0.
Bending Moment in Shaft for MSST
Bending Moment in Shaft for MSST is the maximum twisting force that causes shear stress in a shaft, affecting its structural integrity and stability.
Symbol: Mb MSST
Measurement: TorqueUnit: N*mm
Note: Value should be greater than 0.
Torsional Moment in Shaft for MSST
Torsional Moment in Shaft for MSST is the maximum twisting moment that a shaft can withstand without failing, considering maximum shear stress and principal stress theory.
Symbol: Mtt
Measurement: TorqueUnit: N*mm
Note: Value should be greater than 0.
sqrt
A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number.
Syntax: sqrt(Number)

Other formulas in Maximum Shear Stress and Principal Stress Theory category

​Go Permissible Value of Maximum Principle Stress
σmax=16πdMPST3(Mb+Mb2+Mtshaft2)
​Go Diameter of Shaft given Permissible Value of Maximum Principle Stress
dMPST=(16πσmax(Mb+Mb2+Mtshaft2))13
​Go Permissible Value of Maximum Principle Stress using Factor of Safety
σmax=Fcefosshaft
​Go Factor of Safety given Permissible Value of Maximum Principle Stress
fosshaft=Fceσmax

How to Evaluate Equivalent Bending Moment given Torsional Moment?

Equivalent Bending Moment given Torsional Moment evaluator uses Equivalent Bending Moment from MSST = Bending Moment in Shaft for MSST+sqrt(Bending Moment in Shaft for MSST^2+Torsional Moment in Shaft for MSST^2) to evaluate the Equivalent Bending Moment from MSST, Equivalent Bending Moment given Torsional Moment formula is defined as a measure of the combined effect of bending and torsional moments on a shaft, providing a comprehensive understanding of the stress distribution and potential failure points in mechanical systems. Equivalent Bending Moment from MSST is denoted by Mbeq symbol.

How to evaluate Equivalent Bending Moment given Torsional Moment using this online evaluator? To use this online evaluator for Equivalent Bending Moment given Torsional Moment, enter Bending Moment in Shaft for MSST (Mb MSST) & Torsional Moment in Shaft for MSST (Mtt) and hit the calculate button.

FAQs on Equivalent Bending Moment given Torsional Moment

What is the formula to find Equivalent Bending Moment given Torsional Moment?
The formula of Equivalent Bending Moment given Torsional Moment is expressed as Equivalent Bending Moment from MSST = Bending Moment in Shaft for MSST+sqrt(Bending Moment in Shaft for MSST^2+Torsional Moment in Shaft for MSST^2). Here is an example- 2E+9 = 980+sqrt(980^2+387.5821^2).
How to calculate Equivalent Bending Moment given Torsional Moment?
With Bending Moment in Shaft for MSST (Mb MSST) & Torsional Moment in Shaft for MSST (Mtt) we can find Equivalent Bending Moment given Torsional Moment using the formula - Equivalent Bending Moment from MSST = Bending Moment in Shaft for MSST+sqrt(Bending Moment in Shaft for MSST^2+Torsional Moment in Shaft for MSST^2). This formula also uses Square Root (sqrt) function(s).
Can the Equivalent Bending Moment given Torsional Moment be negative?
No, the Equivalent Bending Moment given Torsional Moment, measured in Torque cannot be negative.
Which unit is used to measure Equivalent Bending Moment given Torsional Moment?
Equivalent Bending Moment given Torsional Moment is usually measured using the Newton Millimeter[N*mm] for Torque. Newton Meter[N*mm], Newton Centimeter[N*mm], Kilonewton Meter[N*mm] are the few other units in which Equivalent Bending Moment given Torsional Moment can be measured.
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