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Ansys Learning Forum › Forums › Discuss Simulation › General Mechanical › What is hydrostatic strain? › Reply To: What is hydrostatic strain?

July 31, 2020 at 3:41 pm
Dragana Jandric
Forum Moderator
Hydrostatic strain is the scalar quantity whose magnitude is the average of three normal strains. Hydrostatic strain only contributes to the volumetric change of a body and does not cause any shear deformation. It is also often expressed in a matrix form with only three diagonal terms.Â