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Radius of Inner Fibre is the radius of the inner fiber of a curved structural element. Check FAQs
Ri=MbhiAeσbi
Ri - Radius of Inner Fibre?Mb - Bending Moment in Curved Beam?hi - Distance of Inner Fibre from Neutral Axis?A - Cross Sectional Area of Curved Beam?e - Eccentricity Between Centroidal and Neutral Axis?σbi - Bending Stress at Inner Fibre?

Radius of inner fiber of curved beam given bending stress at fiber Example

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Here is how the Radius of inner fiber of curved beam given bending stress at fiber equation looks like with Values.

Here is how the Radius of inner fiber of curved beam given bending stress at fiber equation looks like with Units.

Here is how the Radius of inner fiber of curved beam given bending stress at fiber equation looks like.

75.0245Edit=245000Edit37.5Edit240Edit6.5Edit78.5Edit
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Radius of inner fiber of curved beam given bending stress at fiber Solution

Follow our step by step solution on how to calculate Radius of inner fiber of curved beam given bending stress at fiber?

FIRST Step Consider the formula
Ri=MbhiAeσbi
Next Step Substitute values of Variables
Ri=245000N*mm37.5mm240mm²6.5mm78.5N/mm²
Next Step Convert Units
Ri=245N*m0.0375m0.00020.0065m7.9E+7Pa
Next Step Prepare to Evaluate
Ri=2450.03750.00020.00657.9E+7
Next Step Evaluate
Ri=0.0750244977951984m
Next Step Convert to Output's Unit
Ri=75.0244977951984mm
LAST Step Rounding Answer
Ri=75.0245mm

Radius of inner fiber of curved beam given bending stress at fiber Formula Elements

Variables
Radius of Inner Fibre
Radius of Inner Fibre is the radius of the inner fiber of a curved structural element.
Symbol: Ri
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Bending Moment in Curved Beam
Bending moment in curved beam is the reaction induced in a structural element when an external force or moment is applied to the element, causing the element to bend.
Symbol: Mb
Measurement: TorqueUnit: N*mm
Note: Value should be greater than 0.
Distance of Inner Fibre from Neutral Axis
Distance of Inner Fibre from Neutral Axis is the point where the fibers of a material undergoing bending are stretched maximum.
Symbol: hi
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Cross Sectional Area of Curved Beam
Cross sectional area of curved beam is the area of a two-dimensional section that is obtained when a beam is sliced perpendicular to some specified axis at a point.
Symbol: A
Measurement: AreaUnit: mm²
Note: Value should be greater than 0.
Eccentricity Between Centroidal and Neutral Axis
Eccentricity Between Centroidal and Neutral Axis is the distance between the centroidal and the neutral axis of a curved structural element.
Symbol: e
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Bending Stress at Inner Fibre
Bending Stress at Inner Fibre is the amount of bending moment at the inner fiber of a curved structural element.
Symbol: σbi
Measurement: StressUnit: N/mm²
Note: Value should be greater than 0.

Other Formulas to find Radius of Inner Fibre

​Go Radius of inner fibre of curved beam of rectangular section given radius of centroidal axis
Ri=R-y2
​Go Radius of inner fiber of rectangular curved beam given radius of neutral axis and outer fiber
Ri=RoeyRN
​Go Radius of inner fiber of curved beam of circular section given radius of centroidal axis
Ri=R-d2
​Go Radius of inner fiber of circular curved beam given radius of neutral axis and outer fiber
Ri=(4RN-Ro)2

Other formulas in Radius of Fiber and Axis category

​Go Radius of centroidal axis of curved beam given eccentricity between axis
R=RN+e
​Go Radius of neutral axis of curved beam given eccentricity between axis
RN=R-e
​Go Radius of neutral axis of curved beam given bending stress
RN=(MbyAσbe)+y
​Go Radius of centroidal axis of curved beam given bending stress
R=(MbyAσb(RN-y))+RN

How to Evaluate Radius of inner fiber of curved beam given bending stress at fiber?

Radius of inner fiber of curved beam given bending stress at fiber evaluator uses Radius of Inner Fibre = (Bending Moment in Curved Beam*Distance of Inner Fibre from Neutral Axis)/(Cross Sectional Area of Curved Beam*Eccentricity Between Centroidal and Neutral Axis*Bending Stress at Inner Fibre) to evaluate the Radius of Inner Fibre, Radius of inner fiber of curved beam given bending stress at fiber is the radius of the innermost fiber of a curved beam and is the radius of curvature of the inner surface of the beam. Radius of Inner Fibre is denoted by Ri symbol.

How to evaluate Radius of inner fiber of curved beam given bending stress at fiber using this online evaluator? To use this online evaluator for Radius of inner fiber of curved beam given bending stress at fiber, enter Bending Moment in Curved Beam (Mb), Distance of Inner Fibre from Neutral Axis (hi), Cross Sectional Area of Curved Beam (A), Eccentricity Between Centroidal and Neutral Axis (e) & Bending Stress at Inner Fibre bi) and hit the calculate button.

FAQs on Radius of inner fiber of curved beam given bending stress at fiber

What is the formula to find Radius of inner fiber of curved beam given bending stress at fiber?
The formula of Radius of inner fiber of curved beam given bending stress at fiber is expressed as Radius of Inner Fibre = (Bending Moment in Curved Beam*Distance of Inner Fibre from Neutral Axis)/(Cross Sectional Area of Curved Beam*Eccentricity Between Centroidal and Neutral Axis*Bending Stress at Inner Fibre). Here is an example- 75024.5 = (245*0.0375)/(0.00024*0.0065*78500000).
How to calculate Radius of inner fiber of curved beam given bending stress at fiber?
With Bending Moment in Curved Beam (Mb), Distance of Inner Fibre from Neutral Axis (hi), Cross Sectional Area of Curved Beam (A), Eccentricity Between Centroidal and Neutral Axis (e) & Bending Stress at Inner Fibre bi) we can find Radius of inner fiber of curved beam given bending stress at fiber using the formula - Radius of Inner Fibre = (Bending Moment in Curved Beam*Distance of Inner Fibre from Neutral Axis)/(Cross Sectional Area of Curved Beam*Eccentricity Between Centroidal and Neutral Axis*Bending Stress at Inner Fibre).
What are the other ways to Calculate Radius of Inner Fibre?
Here are the different ways to Calculate Radius of Inner Fibre-
  • Radius of Inner Fibre=Radius of Centroidal Axis-Distance from Neutral Axis of Curved Beam/2OpenImg
  • Radius of Inner Fibre=(Radius of Outer Fibre)/(e^(Distance from Neutral Axis of Curved Beam/Radius of Neutral Axis))OpenImg
  • Radius of Inner Fibre=Radius of Centroidal Axis-Diameter of Circular Curved Beam/2OpenImg
Can the Radius of inner fiber of curved beam given bending stress at fiber be negative?
No, the Radius of inner fiber of curved beam given bending stress at fiber, measured in Length cannot be negative.
Which unit is used to measure Radius of inner fiber of curved beam given bending stress at fiber?
Radius of inner fiber of curved beam given bending stress at fiber is usually measured using the Millimeter[mm] for Length. Meter[mm], Kilometer[mm], Decimeter[mm] are the few other units in which Radius of inner fiber of curved beam given bending stress at fiber can be measured.
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