نتایج جستجو برای: transient thermo elastic

تعداد نتایج: 209619  

In this study, using the non-local elasticity theory, the buckling and vibration analysis of triple- walled ZnO piezoelectric Timoshenko beam on elastic Pasternak foundation is analytically investigated under magneto-electro-thermo-mechanical loadings. Using the Timoshenko beam free body diagram, the equilibrium equation of Timoshenko nano-beam model is obtained and solved by Navier’s method fo...

Journal: :Advanced healthcare materials 2015
Sebastian Hackelbusch Torsten Rossow Dirk Steinhilber David A Weitz Sebastian Seiffert

Stimuli-responsive hydrogels are able to change their physical properties such as their elastic moduli in response to changes in their environment. If biocompatible polymers are used to prepare such materials and if living cells are encapsulated within these networks, their switchability allows the cell-matrix interactions to be investigated with unprecedented consistency. In this paper, thermo...

Journal: :Lecture notes in production engineering 2023

Abstract The paper deals with strategies for numerical compensation of thermo-mechanical deformation machine tool spindles and the TCP, respectively. Methods digital modelling simulating temperatures thermo-elastic are presented. This is done by considering geometry, material data, drive signals temperature values. topic compensating effects in spindle units an important manufacturing. Analytic...

Journal: :Continuum Mechanics and Thermodynamics 2021

Abstract An established strategy for material modeling is provided by energy-based principles such that evolution equations in terms of ordinary differential can be derived. However, there exist a variety models also need to take into account non-local effects capture microstructure evolution. In this case, the described partial equation. contribution, we present how Hamilton’s principle provid...

2012
P. Das M. Kanoria

This paper deals with magneto-thermo-elastic interaction due to thermal shock on the stress free boundary of the half-space of perfect conducting medium in the context of two-temperature generalized thermo-elasticity with energy dissipation (TEWED) (GN III model), see [1, 2, 3]. The governing equations are solved in the Laplace transformation domain using state-space approach. The inversion of ...

2006
Seid Koric Brian G. Thomas

A new, computationally efficient algorithm has been implemented to solve for thermal stresses, strains, and displacements in realistic solidification processes which involve highly nonlinear constitutive relations. A general form of the transient heat equation including latent-heat from phase transformations such as solidification and other temperature-dependent properties is solved numerically...

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A 1985

2012
Natalia B. Shenogina Mesfin Tsige Soumya S. Patnaik Sharmila M. Mukhopadhyay

Molecular dynamics and molecular mechanics simulations have been used to study thermo-mechanical response of highly cross-linked polymers composed of epoxy resin DGEBA and hardener DETDA. The effective cross-linking approach used in this work allowed construction of a set of stress-free molecular models with high conversion degree containing up to 35000 atoms. The generated structures were used...

2012
Michael Brünig Steffen Gerke

A set of constitutive equations for large rate-dependent elastic–plastic-damage materials at elevated temperatures is presented to be able to analyze adiabatic high strain rate deformation processes for a wide range of stress triaxialities. The model is based on the concepts of continuum damage mechanics. Since the material macroscopic thermo-mechanical response under large strain and high stra...

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