What Is Incompressible Material?

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SUMMARY

Incompressible materials are defined as substances that do not change in volume when subjected to stress, exemplified by materials like rubber. The scientific definition states that the derivative of specific volume (volume per unit mass) with respect to the sum of the three principal stresses equals zero. This concept is crucial in fields such as ultrasound elastography, where understanding material properties is essential for accurate analysis. The discussion highlights the need for clarity in defining incompressibility, particularly in academic contexts.

PREREQUISITES
  • Understanding of compressibility and its relation to material properties
  • Familiarity with the Poisson ratio and its significance in material science
  • Basic knowledge of stress and strain in materials
  • Concept of specific volume in physics
NEXT STEPS
  • Research the mathematical formulation of incompressibility in materials science
  • Explore the applications of ultrasound elastography in medical imaging
  • Study the relationship between Poisson's ratio and material compressibility
  • Investigate different types of materials classified as incompressible
USEFUL FOR

Students, researchers, and professionals in material science, engineering, and medical imaging who seek a deeper understanding of material properties and their implications in practical applications.

zoala001
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I sent a summary about ultrasound elastography to my teacher and somehow I wrote incompressible material in my paper. now he wants me to really explain him what is Incompressible material.
I looked at internet about compressibility and Poisson ratio but doesn't still give a good understanding of incompressibility . can anyone give me a solid answer to this question.
 
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zoala001 said:
I sent a summary about ultrasound elastography to my teacher and somehow I wrote incompressible material in my paper. now he wants me to really explain him what is Incompressible material.
I looked at internet about compressibility and Poisson ratio but doesn't still give a good understanding of incompressibility . can anyone give me a solid answer to this question.
I realize you don't fully understand incompressibility, but please tell us your current understanding of this concept.

Chet
 
Chestermiller said:
I realize you don't fully understand incompressibility, but please tell us your current understanding of this concept.

Chet
this is what I have written so far and I have understood :

I have actually understood it. the materials that can not be compresses under a stress like a rubber. but I can not give a scientific definition about it
 
zoala001 said:
this is what I have written so far and I have understood :

I have actually understood it. the materials that can not be compresses under a stress like a rubber. but I can not give a scientific definition about it
The definition is: the derivative of the specific volume (volume per unit mass) with respect to the sum of the three principal stresses is equal to zero.

Chet
 

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