Stress Analysis in Viscoelastic Materials

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Abstract
The problems of stress analysis for linearly viscoelastic materials are considered. This is the simplest group of materials which exhibit the general stress‐strain characteristics found in polymers and plastics. Three basic aspects are considered: measurement of material properties, determination from these of the operator equations between stress and strain or equivalently of the viscoelastic model, and use of this in the theoreticalanalysis of stress distributions. Quasi‐static analysis, in which inertia forces are negligible, is treated quite generally. The wave problems which arise when inertia effects are included are restricted to one‐dimensional space variations. A series of typical solutions of these types is discussed.