Difference between revisions of "Bulk modulus"

From Soft-Matter
Jump to: navigation, search
 
Line 1: Line 1:
The bulk (or compressional) modulus K of a material is a measure of its resistance to uniform compression. Similar to a compressibility, it can be derived from the osmotic pressure <math>\Pi</math> of a sample as a function of the volume fraction <math>\phi</math> via <math>K=\phi\cdot d\Pi/d\phi</math>.
+
The bulk (or compressional) modulus K of a material is a measure of its resistance to uniform compression. Similar to an inverse compressibility, it can be derived from the osmotic pressure <math>\Pi</math> of a sample as a function of the volume fraction <math>\phi</math> via <math>K=\phi\cdot d\Pi/d\phi</math>.

Latest revision as of 04:38, 30 November 2009

The bulk (or compressional) modulus K of a material is a measure of its resistance to uniform compression. Similar to an inverse compressibility, it can be derived from the osmotic pressure <math>\Pi</math> of a sample as a function of the volume fraction <math>\phi</math> via <math>K=\phi\cdot d\Pi/d\phi</math>.