Polymer engineering science and viscoelasticity : an introduction Introduction. Stress and Strain Analysis and Measurement. Characteristics Applications and Properties of Polymers. Polymerizaton and Classification. Differential Constitutive Equations. Hereditary Integral Representations of Stress and Strain. Time Temperature Superpostion Principle (TTSP). Elementary Viscoelastic Stress Analysis for Bars and Beams. Viscoelastic Stress Analysis in Two and Three Dimensions. Nonlinear Viscoelasticity. Viscoelastic Pasticity. Failure Mechanisms and Analytical Approaches. Bibliography