摘要:

Following Moeckel's approach, thermodynamics of non-simple, heat-conducting material interface is investigated. In order to obtain field equations for the fields of mass density, motion, and temperature in the interface, specific balance equations are used for mass, momentum, moment of momentum, and energy in the surface, and constitutive equations are stated. The constitutive equations of the bulk material (the three-dimensional non-simple, heat-conducting fluid) were derived by I-Shih Liu. The forms of all of these constitutive equations are restricted by an entropy principle which is adopted from Muller's entropy principle.

ISSN:0149-5739    

DOI:10.1080/01495738408942200

出版商:Taylor & Francis Group    

年代:1984

数据来源: Taylor

摘要:

The problem of the non-existence of the solution for the limit of carrying capacity for a perfectly elastic-plastic sheet with a rigid circular inclusion, under combined thermal and surface loadings is discussed. The limitation of the continuous solution is caused by the formation of some inadmissible discontinuities. Corresponding loadings are called the decohesive carrying capacity. The problem is solved within the framework of a small-strain theory, as well as a finite-strain theory. In both cases the interaction curves of decohesive carrying capacity exhibit the property of concavity.

ISSN:0149-5739    

DOI:10.1080/01495738408942201

出版商:Taylor & Francis Group    

年代:1984

数据来源: Taylor

摘要:

This paper treats a transient thermoelastic contact problem in a long, circular cylinder to which a heated rigid band is bonded. The problem may be reduced to that of solving dual-integral equations. The radial, hoop, and axial stresses have singularities at the end of rigid band on the cylindrical surface. The coefficients which may determine the strength of singularities of stresses are introduced.

ISSN:0149-5739    

DOI:10.1080/01495738408942202

出版商:Taylor & Francis Group    

年代:1984

数据来源: Taylor

摘要:

This paper deals with the use of the finite element method in an uncoupled dynamic problem of thermoelasticity. An effective method of choosing different schemes and corresponding time step that insures computational stability is suggested. A numerical example is included to illustrate the usefulness of the present method. The influence of dynamic effect is briefly discussed.

ISSN:0149-5739    

DOI:10.1080/01495738408942203

出版商:Taylor & Francis Group    

年代:1984

数据来源: Taylor

摘要:

The linear thermoelastic problem of a spherical cavity with a circumferential edge crack is solved. The thermal stresses are caused by a uniform heat flow disturbed by the presence of the crack and the cavity. The surfaces of the crack and the cavity are assumed to be insulated. Integral transform techniques are used to reduce the problem concerning the temperature and thermoelastic fields to that of solving two singular integral equations of the first kind. The integral equations are solved numerically and the variation of the thermal stress intensity factor with the crack depth and the crack opening displacement are shown graphically.

ISSN:0149-5739    

DOI:10.1080/01495738408942204

出版商:Taylor & Francis Group    

年代:1984

数据来源: Taylor

摘要:

This paper discusses a numerical analysis of the stress and the temperature fields generated in a hollow cylinder made of a material which has temperature dependent conductivity. A prototype of material ( Co-Cr-Ni alloy steel) which exhibits a wide variability of conductivity for a temperature range between 21° C and 926° C is chosen in developing the algorithm for computation. A step temperature is applied at the inner surface. With variable conductivity, as the temperature rises the conductivity increases. As a consequence, the heat flow in the cylinder is enhanced to cause the cylinder to reach a steady state temperature field sooner than the case in which the conductivity remains unchanged. Also, as the heat flow is enhanced, the thermal stresses decrease in the case of variable conductivity below the corresponding values in the case of constant conductivity.

ISSN:0149-5739    

DOI:10.1080/01495738408942205

出版商:Taylor & Francis Group    

年代:1984

数据来源: Taylor

摘要:

A frequency domain solution is developed for the boundary-value problem of thermal stresses in concentric layered cylinders due to asymmetric and time dependent temperature inputs. Complex frequency response functions are defined for the temperature and stresses in the wall of a cylindrical body. Numerical results for a system of layered cylinders exposed to solar radiation input are obtained.

ISSN:0149-5739    

DOI:10.1080/01495738408942206

出版商:Taylor & Francis Group    

年代:1984

数据来源: Taylor

摘要:

The stress problem in an infinite cylinder of temperature-dependent material properties may be treated by a quasi-linear approach based on radial subdivision and time step-wise integration. The temperature field during cooling is obtained as a multi-region eigenfunction series, while the stresses are obtained from the integration of the equilibrium displacement equation by taking into consideration thermoviscoelastic deformations. The particular case of a two-region formulation and its solutions are described in full. Numerical examples of induced stress predictions in optical glass fiber are given.

ISSN:0149-5739    

DOI:10.1080/01495738408942207

出版商:Taylor & Francis Group    

年代:1984

数据来源: Taylor

摘要:

In this section, publications on thermal stresses that have appeared elsewhere are listed. In order to make the list as complete as possible, authors are requested to submit two copies of their publications to the Editor-in-Chief. Publications in languages other than English should be accompanied by the English translation of their titles. A partial list of papers published in 1982-1984 is given.

ISSN:0149-5739    

DOI:10.1080/01495738408942208

出版商:Taylor & Francis Group    

年代:1984

数据来源: Taylor