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Initial Radial Width is the radial width without any strain. Check FAQs
dr=duσr-(𝛎σc)E
dr - Initial Radial Width?du - Increase in Radial Width?σr - Radial Stress?𝛎 - Poisson's Ratio?σc - Circumferential Stress?E - Modulus Of Elasticity Of Disc?

Initial radial width of disc given stresses on disc Example

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Here is how the Initial radial width of disc given stresses on disc equation looks like with Values.

Here is how the Initial radial width of disc given stresses on disc equation looks like with Units.

Here is how the Initial radial width of disc given stresses on disc equation looks like.

0.3579Edit=3.4Edit100Edit-(0.3Edit80Edit)8Edit
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Initial radial width of disc given stresses on disc Solution

Follow our step by step solution on how to calculate Initial radial width of disc given stresses on disc?

FIRST Step Consider the formula
dr=duσr-(𝛎σc)E
Next Step Substitute values of Variables
dr=3.4mm100N/m²-(0.380N/m²)8N/m²
Next Step Convert Units
dr=0.0034m100Pa-(0.380Pa)8Pa
Next Step Prepare to Evaluate
dr=0.0034100-(0.380)8
Next Step Evaluate
dr=0.000357894736842105m
Next Step Convert to Output's Unit
dr=0.357894736842105mm
LAST Step Rounding Answer
dr=0.3579mm

Initial radial width of disc given stresses on disc Formula Elements

Variables
Initial Radial Width
Initial Radial Width is the radial width without any strain.
Symbol: dr
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
Increase in Radial Width
Increase in Radial Width is the increase in radial width due to strain.
Symbol: du
Measurement: LengthUnit: mm
Note: Value should be greater than 0.
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.
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.
Circumferential Stress
Circumferential Stress is the force over area exerted circumferentially perpendicular to the axis and the radius.
Symbol: σc
Measurement: StressUnit: N/m²
Note: Value should be greater than 0.
Modulus Of Elasticity Of Disc
Modulus Of Elasticity Of Disc is a quantity that measures disc's resistance to being deformed elastically when a stress is applied to it.
Symbol: E
Measurement: PressureUnit: N/m²
Note: Value should be greater than 0.

Other Formulas to find Initial Radial Width

​Go Disc initial radial width given radial strain for rotating thin disc
dr=drfer+1
​Go Initial radial width given radial strain and increase in radial width for rotating thin disc
dr=duer

Other formulas in Radial Width category

​Go Final radial width given radial strain for rotating thin disc
drf=(er+1)dr
​Go Increase in initial radial width of disc given stresses
du=(σr-(𝛎σc)E)dr
​Go Increase in radial width given radial strain for rotating thin disc
du=erdr

How to Evaluate Initial radial width of disc given stresses on disc?

Initial radial width of disc given stresses on disc evaluator uses Initial Radial Width = Increase in Radial Width/((Radial Stress-(Poisson's Ratio*Circumferential Stress))/Modulus Of Elasticity Of Disc) to evaluate the Initial Radial Width, The Initial radial width of disc given stresses on disc formula is defined as half of the difference between the outer and inner diameter of the main body part. Initial Radial Width is denoted by dr symbol.

How to evaluate Initial radial width of disc given stresses on disc using this online evaluator? To use this online evaluator for Initial radial width of disc given stresses on disc, enter Increase in Radial Width (du), Radial Stress r), Poisson's Ratio (𝛎), Circumferential Stress c) & Modulus Of Elasticity Of Disc (E) and hit the calculate button.

FAQs on Initial radial width of disc given stresses on disc

What is the formula to find Initial radial width of disc given stresses on disc?
The formula of Initial radial width of disc given stresses on disc is expressed as Initial Radial Width = Increase in Radial Width/((Radial Stress-(Poisson's Ratio*Circumferential Stress))/Modulus Of Elasticity Of Disc). Here is an example- 357.8947 = 0.0034/((100-(0.3*80))/8).
How to calculate Initial radial width of disc given stresses on disc?
With Increase in Radial Width (du), Radial Stress r), Poisson's Ratio (𝛎), Circumferential Stress c) & Modulus Of Elasticity Of Disc (E) we can find Initial radial width of disc given stresses on disc using the formula - Initial Radial Width = Increase in Radial Width/((Radial Stress-(Poisson's Ratio*Circumferential Stress))/Modulus Of Elasticity Of Disc).
What are the other ways to Calculate Initial Radial Width?
Here are the different ways to Calculate Initial Radial Width-
  • Initial Radial Width=Final Radial Width/(Radial strain+1)OpenImg
  • Initial Radial Width=Increase in Radial Width/Radial strainOpenImg
Can the Initial radial width of disc given stresses on disc be negative?
No, the Initial radial width of disc given stresses on disc, measured in Length cannot be negative.
Which unit is used to measure Initial radial width of disc given stresses on disc?
Initial radial width of disc given stresses on disc is usually measured using the Millimeter[mm] for Length. Meter[mm], Kilometer[mm], Decimeter[mm] are the few other units in which Initial radial width of disc given stresses on disc can be measured.
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