Creep and Relaxation of Nonlinear Viscoelastic Materials. William N. Findley, Kasif Onaran, Frances A. Davis
ISBN: 9780486660165 | 400 pages | 10 Mb
Creep and Relaxation of Nonlinear Viscoelastic Materials William N. Findley, Kasif Onaran, Frances A. Davis
Publisher: Dover Publications
I have used same One reason that QLV has persisted so long is that many people obtain one stress strain curve that shows nonlinearity, and one creep or relaxation curve that shows viscoelasticity. Section 3 deals with the problems associated with the determination of the Constitutive Equation of nonlinear viscoelastic materials. When a material exhibits a linear response it is categorized as a Newtonian material. Once the parameters of the creep model are known, produce relaxation pseudo-data with the conjugate relaxation model for the same times of the original data. Quasi-static mechanical behaviors of ACF were studied through tests of uniaxial tension, creep-recovery, and stress relaxation. To understand difference, I have generated simple stress relaxation experiment using Abaqus where different strain rates are applied into same model (kept constant a while) which has material property of viscoelastic (Prony ) + hyperelastic ( Mooney-Rivlin). Stress relaxation phenomenon is important because it underlines the behavior of material model when it is unloaded. *FREE* super saver shipping on qualifying offers. Finally, fit the pseudo data with the Prony series. Nonlinear Viscoelasticity is more suitable for modeling biological soft tissue materials since it can accommodate large displacements. Creep and Relaxation of Nonlinear Viscoelastic Materials (Dover Civil and Mechanical Engineering) [William N. Depending on the change of strain rate versus stress inside a material the viscosity can be categorized as having a linear, non-linear, or plastic response. I am working on EVA (Ethylene-vinyl acetate) to identify its viscoelastic properties I have done relaxation, creep and tensile test on it. History of viscoelastic materials. In addition, many materials of engineering importance exhibit significant nonlinear viscoelastic behavior in physical environments and under mechanical loading of practical interest, especially under high-temperature conditions. Wave Motion, Poro-Elasticity Problems and Constitutive Equation of Materials. R m christensen - AbeBooks - AbeBooks Official Site - New & Used. Elements for the Numerical Analysis of Wave Motion in Finally a method is presented for the comparison and evaluation of the consistency of creep and relaxation data obtained by a set of independent experiments. During creep the material tends to flow with constant stress. It gives us an idea about the manner in which the stresses are relieved and variation of stress with constant strains during unloading condition. Dover Civil and Mechanical Engineering Theory of viscoelasticity - Richard M.
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