نتایج جستجو برای: Thermoelastic dislocation

تعداد نتایج: 30528  

An analytical solution is presented for the thermoelastic problem of a half-plane with several cracks under thermo mechanical loading using distributed dislocation technique. The uncoupled quasi-static linear thermoelasticity theory is adopted in which the change in temperature, if any, due to deformations is neglected. The stress field in a half-plane containing thermoelastic dislocation is ob...

A.K Vashishth, K Rani

This paper investigates the quasi-static plane deformation of an isotropic thermoelastic half-space due to buried seismic sources and heat source. Governing equations of thermo-elasticity are solved to obtain solutions for seismic sources in a thermoelastic half-space. The general solutions are acquired with the aid of Laplace and Fourier transforms and with the use of boundary conditions. The ...

2006
J. D. Clayton

Presented is a constitutive framework for modeling the dynamic response of polycrystalline microstructures, posed in a thermodynamically consistent manner and accounting for finite deformation, strain rate dependence of flow stress, thermal softening, thermal expansion, heat conduction, and thermoelastic coupling. Assumptions of linear and square-root dependencies, respectively, of the stored e...

2009
S. Sambasivam

In previous work, a series of theoretical considerations have been made aimed at identifying the source and assessing prominent factors influencing the thermoelastic response from laminated composites. In this paper four different methods of interpreting the data are investigated and the theoretical thermoelastic response is compared to experimental data to identify the source of the thermoelas...

2017
Daiki Shiozawa Takahide Sakagami Yu Nakamura Shinichi Nonaka Kenichi Hamada

Carbon fiber-reinforced plastic (CFRP) is widely used for structural members of transportation vehicles such as automobile, aircraft, or spacecraft, utilizing its excellent specific strength and specific rigidity in contrast with the metal. Short carbon fiber composite materials are receiving a lot of attentions because of their excellent moldability and productivity, however they show complica...

2009
M. Bonadies

The thermoelastic stress analysis for linear thermoelastic bodies is developed as a mathematical support to the infra-red radiometric method (SPATE) applied to structures under cyclic loading conditions.

Journal: :Russian Physics Journal 2022

Today, the concept of single-phase concentrated solid solutions offers an alternative strategy for increasing radiation resistance materials, namely, a multi-element composition with equiatomic or nearly concentrations. It is highly desirable to understand relationship between chemical complexity alloys and thermal effects associated irradiation in order increase such materials. We present anal...

2005
Zhili Hao Farrokh Ayazi

This paper provides a comprehensive derivation for thermoelastic damping (TED) in flexural-mode ring gyroscopes, in light of recent efforts to design high rateresolution gyroscopes. Imposing an upper limit on the attainable mechanical noise floor of a vibratory gyroscope, thermoelastic damping in a ring gyroscope is extracted from the equations of linear thermoelasticity. By assuming that it is...

Journal: :Fizika tverdogo tela 2023

It is devoted to the experimental study of creep an aluminum alloy containing microscopic inclusions. was found that preliminary electric ignition (j<3· 10 6 A/m 2 ) material leads increase in samples. The reasons for observed changes are associated by authors with formation local areas high mechanical stresses near interface inclusion --- matrix interface. assessment level emerging ther...

2012
K. L. Verma

Analysis for the generalized thermoelastic Lamb waves, which propagates in anisotropic thin plates in generalized thermoelasticity, is presented employing normal mode expansion method. The displacement and temperature fields are expressed by a summation of the symmetric and antisymmetric thermoelastic modes in the surface thermal stresses and thermal gradient free orthotropic plate, therefore t...

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