Nonlinear viscoelasticity

Ebook "Nonlinear solid mechanics: A continuum approach for engineering" opens with a fundamental chapter on vectors and tensors. The following chapters are based on nonlinear continuum mechanics - an inevitable prerequisite for computational mechanicians. In addition, continuum field theory (applied to a representative sample of hyperelastic materials currently used in nonlinear computations such as incompressible and compressible materials) is presented, as are transversely isotropic materials, composite materials, viscoelastic materials and hyperelastic materials with isotropic damage.

235p giangdongdinh 28-05-2024 4 2   Download

Ebook "Melt rheology and its applications in the plastics industry (Second edition)" provides all the information that is needed for the intelligent application of rheology in the development of new polymers, the determination of molecular structure and the correlation of processability with laboratory test data. Theory and equations are limited to what is essential for the use of rheology in the characterization of polymers, the development of new plastics materials and the prediction of plastics processing behavior.

292p coduathanh1122 27-03-2024 7 1   Download

Ebook "Dynamics of polymeric liquids - Volume 1: Fluid mechanics" summarizes the key experiments that show how polymeric fluids differ from structurally simple fluids, then presents, in rough historical order, various methods for solving polymer fluid dynamics problems.

670p loivantrinh 29-10-2023 5 2   Download

Ebook "Rheology: Principles, measurements, and applications" presents an extremely practical, timely, and accessible three-dimensional account of the subject. It has been specifically designed to enable researchers to understand and apply information from the latest rheological literature to their own operations. Worked examples and exercises with solutions make it ideal for self-study.

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Ebook "Viscoelastic properties of polymers" provides basic information for practical applications, and graduate students in chemistry and engineering will find, in its illustrations with real data and real numbers, an accessible introduction to the principles of viscoelasticity. Viscoelastic behavior reflects the combined viscous and elastic responses, under mechanical stress, of materials which are intermediate between liquids and solids in character.

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This paper considers the problem of a low-velocity normal impact of a rigid cone-shaped upon a viscoelastic plate. The contact force is defined by the modified Hertz's contact law. Approximate solutions of the system of nonlinear integro-differential equations for the contact force and local indentation have been obtained.

7p meyerowitz 25-12-2021 8 0   Download

In this paper, linear dynamic analysis of a functionally graded materials (FGMs) beams on nonlinear viscoelastic foundation under to moving load considering moving mass has been investigated. The nonlinear behavior of viscoelastic foundation is represented by the third order relationship.

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The knee joint performs mechanical functions with various loading and unloading processes. Past studies have focused on the kinematics and elastic response of the joint with less understanding of the rate-dependent load response associated with viscoelastic and poromechanical behaviors.

10p vitennessee2711 02-02-2021 11 2   Download

The paper studies the dynamic response of a Timoshenko beam resting on a third order nonlinear viscoelastic foundation subjected to a moving load. Basing on the theory Timoshenko, a single beam with a constant crosssection is described. The foundation modal is taken as the third order nonlinear viscoelastic foundation with six independent parameters.

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In this paper, we study the initial-boundary value problem for a system of nonlinear viscoelastic Petrovsky equations. Introducing suitable perturbed energy functionals and using the potential well method we prove uniform decay of solution energy under some restrictions on the initial data and the relaxation functions. Moreover, we establish a growth result for certain solutions with positive initial energy.

23p tuongvidanh 06-01-2019 31 1   Download

We consider an inverse problem for determining an inhomogeneity in a viscoelastic body of the Zener type, using Cauchy boundary data, under cyclic loads at low frequency. We show that the inverse problem reduces to the one for the Helmholtz equation and to the same nonlinear Calderon equation given for the harmonic case. A method of solution is proposed which consists in two steps : solution of a source inverse problem, then solution of a linear Volterra integral equation.

9p thienthanquydu 23-10-2018 27 0   Download

Rheology involves the study of the deformation and flow of matter. The goal is to establish relationships between stress and deformation for (non-Newtonian) materials where neither Newton's law nor Hooke's law suffice to explain their mechanical behaviour. Many materials exhibit a non-Newtonian behaviour and the area is relevant in many fields of study from industrial to technological applications such as concrete technology, geology, polymers and composites, plastics processing, paint flow, hemorheology, cosmetics, adhesives, etc ......

350p qsczaxewd 25-09-2012 116 15   Download

ON A SHOCK PROBLEM INVOLVING A NONLINEAR VISCOELASTIC BAR NGUYEN THANH LONG, ALAIN PHAM NGOC DINH, AND TRAN NGOC DIEM Received 3 August 2004 and in revised form 23 December 2004 We treat an initial boundary value problem for a nonlinear wave equation utt − uxx + K |u|α u + λ|ut |β ut = f (x,t) in the domain 0

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Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Exponential energy decay and blow-up of solutions for a system of nonlinear viscoelastic wave equations with strong damping

19p dauphong12 07-02-2012 41 2   Download