EngiRef / Materials Engineering Formula
Bulk Modulus
Bulk Modulus: Resistance to uniform compression. A Stress & Strain formula in materials engineering. Variables K, E and ν, each with SI and imperial units.
Stress & Strain
Specification
- Name
- Bulk Modulus
- Discipline
- materials
- Category
- Stress & Strain
- LaTeX
- K = \frac{E}{3(1-2\nu)}
- Description
- Resistance to uniform compression
- Conditions
- Isotropic, linear elastic material
- Can solve for
- K, E, ν
- Tags
- bulk, modulus, compression, volumetric
Variables
| Symbol | Name | Unit | Si Unit | Imperial Unit |
|---|---|---|---|---|
| K | Bulk Modulus | Pa | Pa | psi |
| E | Young's Modulus | Pa | Pa | psi |
| ν | Poisson's Ratio | - | - | - |
Common questions
- What is the Bulk Modulus formula?
- Resistance to uniform compression. It sits under Stress & Strain, Materials engineering in the EngiRef reference.
- What do the symbols in the Bulk Modulus formula mean?
- In Bulk Modulus, K is bulk modulus in Pa; E is young's modulus in Pa; ν is poisson's ratio.
- When does the Bulk Modulus formula apply?
- Bulk Modulus holds under this condition: Isotropic, linear elastic material.