WebThe strain rate in ECAP corresponds to that observed at the lower deformation rates in machining. This is due to the similarity in the deformation rates in ECAP (1 mm/s to 10 … WebAlternatively, the definition of the Kolmogorov time scale can be obtained from the inverse of the mean square strain rate tensor, ... Kolmogorov's 1941 theory is a mean field theory since it assumes that the relevant dynamical parameter is the mean energy dissipation rate. In fluid turbulence, the energy dissipation rate fluctuates in space ...
How to explain the effect of high-strain rating on ... - ResearchGate
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What does strain rate mean? - Definitions.net
WebJan 1, 2015 · The mean ultimate tensile stress, mean elastic modulus and mean strain energy increased with increasing strain rates. While the stretch ratio at ultimate tensile stress was not affected by the strain rate, it was influenced by the orientation of the samples (parallel and perpendicular to the Langer lines. WebJan 10, 2013 · In the SMAGORINSKY-model I need the square root of Sij*Sij. I'm a little confused about the different notations. What is the defference between the mean strain rate defined as: and the mean strain rate defined as: Sij=0.5* (dUi/dxj+dUj/dxi) Some times I can read: S=sqrt ( (dUi/dxj)^2+ (dUj/dxi)^2) I would be very grateful for a short explanation. WebFeb 9, 2024 · The strain rate tensor is a purely kinematic concept that describes the macroscopic motion of the material. Therefore, it does not depend on the nature of the material, or on the forces and stresses that may be acting on it; and it applies to any continuous medium, whether solid, liquid or gas . how to manage cords for computer