نتایج جستجو برای: thermo electro elasticity

تعداد نتایج: 58442  

Journal: :IEEE Transactions on Instrumentation and Measurement 2021

We report on a versatile experimental setup for the study of electro-magneto-elasto-thermal coupling bulk materials having properties. The enables measurement stress and electrical resistivity in 80-450 K temperature range under controlled uniaxial pressure magnetic field up to 8 T. strong influence strain transport properties is shown Ni-Co-Mn-In Heusler single crystal material. Phase transfor...

2017
Mohamed I. A. Othman

The present paper aims to study the effect of initial stress on the 2–D problem of a homogeneous, isotropic, generalized thermo-viscoelastic material with voids in the context of Green–Naghdi theory. The modulus of elasticity is taken as a linear function of reference temperature. The analytical expressions for the physical quantities are obtained in the physical domain by using the normal mode...

2017
Olivier Arnould François Hild

The aim of this paper is to discuss di erent couplings between di usion, recrystallisation/grain growth, strain/stress, heat transfer and thermo-mechanical behaviour of metallic materials. The understanding of these di erent physical phenomena is needed to predict the long-term life of mechanical parts in components. Some results are presented and further studies are suggested to improve the ev...

H Dehbani M Jabbari,

In this paper, the classic coupled Magneto-thermo-elasticity model of hollow and solid cylinders under radial-symmetric loading condition (r, t) is considered. A full analytical and the direct method based on Fourier Hankel series and Laplace transform is used, and an exact unique solution of the classic coupled equations is presented. The thermal and mechanical boundary conditions, the body fo...

Journal: :International Journal of Solids and Structures 2022

Fractional calculus has been proved to be very effective in representing the visco-elastic relaxation response of materials with memory such as polymers. Moreover, modeling temperature dependency material functions thermo-visco-elasticity, standard time–temperature superposition principle is known ineffective most cases (thermo-rheological complexity). In this work, a novel finite element formu...

2007
H. Péron L. B. Hu L. Laloui

Mechanisms of shrinkage and the conditions leading to cracking of drying soils are addressed. An elastic formulation of the hydro-mechanical drying problem is presented. It relies on the analogy which can be drawn between the desiccation process and thermo-elasticity. The validity of the analogy is discussed in the light of finite element simulations of air drying experiments on a rectangular s...

2007
Prasad S. Sumant Andreas C. Cangellaris Narayana R. Aluru

This paper describes the development of an efficient and accurate algebraic multigrid finite element solver for analysis of linear elasticity problems in two dimensional thin body elasticity. Such problems are commonly encountered during analysis of thin film devices in micro-electro-mechanical systems. An algebraic multigrid based on element interpolation is adopted and streamlined for the dev...

Journal: :Computer Methods in Applied Mechanics and Engineering 2021

This paper presents a novel Smooth Particle Hydrodynamics computational framework for the simulation of large strain fast solid dynamics in thermo-elasticity. The formulation is based on Total Lagrangian description system first order conservation laws written terms linear momentum, triplet deformation measures (also known as minors gradient tensor) and total energy system, extending thus previ...

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