Evidence map›Paper›PMID 41656359›Full record

ArticleScientific reports2026

Comparative analysis of fractional thermoelastic vibrations of a nonlocal nanobeam exposed to travelling and static thermal loads.

Rakhi Tiwari, Gopal Kumar Gupta, Om Namha Shivay

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Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

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1citing papers in PubMed
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1 citing paper in PubMed.

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5 · Who and what money

Authors and funding

3 authors.

Rakhi TiwariDepartment of Mathematics, B.R.A. Bihar University, Muzaffarpur, 842001, India.
Gopal Kumar GuptaSymbosis Institute of Technology, Nagpur Campus, Symbosis International (Deemed University), Pune, 440008, India. gopalgupta.iitbhu90@gmail.com.
Om Namha ShivayDepartment of Mathematics, SAS, VIT University, Chennai, 600127, India.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Present innovative investigation comprises a new approach to analyse the fractional order vibration behaviour of thermo-mechanical waves in a non-localized Nano scale beam affected from a travelling thermal load with constant velocity and ramp type thermal load dependent on time within the framework of nonlocal theory of elasticity. Recently developed Moore-Gibson Thompson (MGT) heat transport model coupled with fractional order thermo-elasticity is utilized to evaluate the analytical results of significant physical fields—temperature, lateral deflection, displacement, cross-sectional elastic moment and thermal stress. Inclusion of the theories of nonlocal elasticity and factional order thermoelasticity in thermal conduction model enables it to capture the size-dependent effects and memory effects in heat conduction at the Nano scale. Laplace transform algorithm is facilitated to determine the closed-form solutions. Depth analysis of graphical results characterizes and analyses the impacts of the important quantities such as fractional order parameter, velocity of the dynamic load, time relaxation quantity and non-local parameter on the field variables. Quantitative results reveal that fractional order quantity and nonlocal effect prominently affect the amplitude, frequency and stability of thermo-elastic vibrations. Significance of MGT heat conduction model is observed by comparing the computational outcomes to the results obtained under previous established heat transfer models – GreenNaghdi- II (GN-II), GreenNaghdi - III (GN-III), Lord and Shulman (LS model) and classical theory (CL). Results determined under MGT model express more finite and stable characteristics of thermo-elastic waves inside the beam compared to the other theories of heat transfer. This study emphasises the significance of applied research in revealing the important properties of Nano scale structures that are observed to be especially advantageous in industry and mechanical engineering.

Indexed as

Dynamic loadFractional derivativeMGT modelNano scale beamNon-localityRamp type load

Identifiers

PMID41656359
PMCPMC12948976

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