Fluid mechanics is the science that deals with the forces on fluids and their actions. A fluid is defined as a substance consisting of particles that change their position relative to one another or, in other words, a substance that will continuously deform when a shear stress is applied. By contrast, a solid resists shear stresses and will not deform when one is applied providing that the shear stress does not exceed the elastic limit of the material.


Clay Mercury Sedimentation Shale Silt 


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Copyright information

© Chapman & Hall 1995

Authors and Affiliations

  • Thomas B. Lawson
    • 1
  1. 1.Department of Biological EngineeringLouisiana State UniversityUSA

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