What Is Incompressible Material?

[zoala001]

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.

 

[Chestermiller]

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

 

[zoala001]

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

 

[Chestermiller]

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