Nonlocal integral thermoelasticity: a thermodynamic framework for functionally graded beams (CROSBI ID 266342)
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Podaci o odgovornosti
Barretta, Raffaele ; Čanađija, Marko ; Marotti de Sciarra, Francesco
engleski
Nonlocal integral thermoelasticity: a thermodynamic framework for functionally graded beams
An effective nonlocal integral formulation for functionally graded Bernoulli-Euler beams in nonisothermal environment is developed. Both thermal and mechanical loadings are accounted for. The proposed model, of stress-driven integral type, is shown to be governed by a thermodynamically consistent differential problem with proper constitutive boundary conditions. The new thermoelastic strategy is illustrated by investigating a set of examples. It is demonstrated that in nonisothermal statically indeterminate problems rather complex structural behaviours can appear and that both the shift of the neutral surface and nonlocality have a dominating influence at small-scales.
Functionally graded materials, Bernoulli-Euler beam, Nonlocal thermoelasticity, Integral laws, Size effects
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Podaci o izdanju
225
2019.
111104
11
objavljeno
0263-8223
1879-1085
10.1016/j.compstruct.2019.111104
Povezanost rada
Strojarstvo, Temeljne tehničke znanosti