How to calculate changes in the radius of a surface under compression?

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SUMMARY

The discussion focuses on calculating the percentage change in the radius of a solid metal cylinder under compression. Participants inquire about the specific conditions affecting the radius, such as whether the compression is due to uniform pressure or localized loads. Key factors include the known initial radius and the extent of surface compression. Understanding these parameters is essential for accurate calculations.

PREREQUISITES
  • Understanding of solid mechanics principles
  • Familiarity with pressure and load distribution concepts
  • Basic knowledge of geometric calculations
  • Experience with material properties of metals
NEXT STEPS
  • Research the formulas for calculating deformation in solid cylinders under pressure
  • Learn about the effects of uniform vs. localized loads on structural integrity
  • Study the relationship between surface area changes and radius adjustments
  • Explore material science concepts related to elasticity and plasticity in metals
USEFUL FOR

Engineers, material scientists, and students studying solid mechanics or structural engineering will benefit from this discussion, particularly those focused on compression effects in cylindrical structures.

Cianturyo
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How do i calculate percentage of changes in radius, when the surface which cause the radius, will be compressed by a certain percentage?

To illustrate better, i have drawn the picture of the question. How to calculate radius ?? if radius A Is known. Changes in the surface is also known. Thank you very much beforehand.
Ciantury
 

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Cianturyo said:
How do i calculate percentage of changes in radius, when the surface which cause the radius, will be compressed by a certain percentage?

To illustrate better, i have drawn the picture of the question. How to calculate radius ?? if radius A Is known. Changes in the surface is also known. Thank you very much beforehand.
Ciantury
Welcome to the PF.

Is that a solid metal cylinder? What is causing the change in the radius of the cylinder?
 
Do you mean "pressure" which would imply uniform load all around the circumference of the cylinder; or, a load applied along two opposite sides of a cylinder?
 

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