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Radial Stress induced by a bending moment in a member of constant cross section. Check FAQs
σr=ρ(ω2)(3+𝛎)(router2)8
σr - Radial Stress?ρ - Density Of Disc?ω - Angular Velocity?𝛎 - Poisson's Ratio?router - Outer Radius Disc?

Maximum Radial Stress in solid disc Example

With values
With units
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Here is how the Maximum Radial Stress in solid disc equation looks like with Values.

Here is how the Maximum Radial Stress in solid disc equation looks like with Units.

Here is how the Maximum Radial Stress in solid disc equation looks like.

83.8253Edit=2Edit(11.2Edit2)(3+0.3Edit)(900Edit2)8
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Maximum Radial Stress in solid disc Solution

Follow our step by step solution on how to calculate Maximum Radial Stress in solid disc?

FIRST Step Consider the formula
σr=ρ(ω2)(3+𝛎)(router2)8
Next Step Substitute values of Variables
σr=2kg/m³(11.2rad/s2)(3+0.3)(900mm2)8
Next Step Convert Units
σr=2kg/m³(11.2rad/s2)(3+0.3)(0.9m2)8
Next Step Prepare to Evaluate
σr=2(11.22)(3+0.3)(0.92)8
Next Step Evaluate
σr=83.82528Pa
Next Step Convert to Output's Unit
σr=83.82528N/m²
LAST Step Rounding Answer
σr=83.8253N/m²

Maximum Radial Stress in solid disc Formula Elements

Variables
Radial Stress
Radial Stress induced by a bending moment in a member of constant cross section.
Symbol: σr
Measurement: PressureUnit: N/m²
Note: Value should be greater than 0.
Density Of Disc
Density Of Disc shows the denseness of disc in a specific given area. This is taken as mass per unit volume of a given disc.
Symbol: ρ
Measurement: DensityUnit: kg/m³
Note: Value should be greater than 0.
Angular Velocity
The Angular Velocity refers to how fast an object rotates or revolves relative to another point, i.e. how fast the angular position or orientation of an object changes with time.
Symbol: ω
Measurement: Angular VelocityUnit: rad/s
Note: Value should be greater than 0.
Poisson's Ratio
Poisson's Ratio is defined as the ratio of the lateral and axial strain. For many metals and alloys, values of Poisson’s ratio range between 0.1 and 0.5.
Symbol: 𝛎
Measurement: NAUnit: Unitless
Note: Value should be between -1 to 10.
Outer Radius Disc
Outer Radius Disc is the radius of the larger of the two concentric circles that form its boundary.
Symbol: router
Measurement: LengthUnit: mm
Note: Value can be positive or negative.

Other Formulas to find Radial Stress

​Go Radial stress in solid disc
σr=(C12)-(ρ(ω2)(rdisc2)(3+𝛎)8)
​Go Radial stress in solid disc given Outer radius
σr=ρ(ω2)(3+𝛎)((router2)-(r2))8
​Go Radial stress at center of solid disc
σr=ρ(ω2)(3+𝛎)(router2)8

Other formulas in Stresses in Disc category

​Go Constant at boundary condition given Radial stress in solid disc
C1=2(σr+(ρ(ω2)(rdisc2)(3+𝛎)8))
​Go Poisson's ratio given Radial stress in solid disc
𝛎=(((C2)-σr)8ρ(ω2)(rdisc2))-3
​Go Circumferential stress in solid disc
σc=(C12)-(ρ(ω2)(rdisc2)((3𝛎)+1)8)
​Go Constant at boundary condition given Circumferential stress in solid disc
C1=2(σc+(ρ(ω2)(rdisc2)((3𝛎)+1)8))

How to Evaluate Maximum Radial Stress in solid disc?

Maximum Radial Stress in solid disc evaluator uses Radial Stress = (Density Of Disc*(Angular Velocity^2)*(3+Poisson's Ratio)*(Outer Radius Disc^2))/8 to evaluate the Radial Stress, The Maximum radial stress in solid disc formula is defined as stress towards or away from the central axis of a component. Radial Stress is denoted by σr symbol.

How to evaluate Maximum Radial Stress in solid disc using this online evaluator? To use this online evaluator for Maximum Radial Stress in solid disc, enter Density Of Disc (ρ), Angular Velocity (ω), Poisson's Ratio (𝛎) & Outer Radius Disc (router) and hit the calculate button.

FAQs on Maximum Radial Stress in solid disc

What is the formula to find Maximum Radial Stress in solid disc?
The formula of Maximum Radial Stress in solid disc is expressed as Radial Stress = (Density Of Disc*(Angular Velocity^2)*(3+Poisson's Ratio)*(Outer Radius Disc^2))/8. Here is an example- 83.82528 = (2*(11.2^2)*(3+0.3)*(0.9^2))/8.
How to calculate Maximum Radial Stress in solid disc?
With Density Of Disc (ρ), Angular Velocity (ω), Poisson's Ratio (𝛎) & Outer Radius Disc (router) we can find Maximum Radial Stress in solid disc using the formula - Radial Stress = (Density Of Disc*(Angular Velocity^2)*(3+Poisson's Ratio)*(Outer Radius Disc^2))/8.
What are the other ways to Calculate Radial Stress?
Here are the different ways to Calculate Radial Stress-
  • Radial Stress=(Constant at Boundary Condition/2)-((Density Of Disc*(Angular Velocity^2)*(Disc Radius^2)*(3+Poisson's Ratio))/8)OpenImg
  • Radial Stress=(Density Of Disc*(Angular Velocity^2)*(3+Poisson's Ratio)*((Outer Radius Disc^2)-(Radius of Element^2)))/8OpenImg
  • Radial Stress=(Density Of Disc*(Angular Velocity^2)*(3+Poisson's Ratio)*(Outer Radius Disc^2))/8OpenImg
Can the Maximum Radial Stress in solid disc be negative?
No, the Maximum Radial Stress in solid disc, measured in Pressure cannot be negative.
Which unit is used to measure Maximum Radial Stress in solid disc?
Maximum Radial Stress in solid disc is usually measured using the Newton per Square Meter[N/m²] for Pressure. Pascal[N/m²], Kilopascal[N/m²], Bar[N/m²] are the few other units in which Maximum Radial Stress in solid disc can be measured.
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