دورية أكاديمية

Exact solutions for the static bending of Euler-Bernoulli beams using Eringen’s two-phase local/nonlocal model

التفاصيل البيبلوغرافية
العنوان: Exact solutions for the static bending of Euler-Bernoulli beams using Eringen’s two-phase local/nonlocal model
المؤلفون: Y. B. Wang, X. W. Zhu, H. H. Dai
المصدر: AIP Advances, Vol 6, Iss 8, Pp 085114-085114-22 (2016)
بيانات النشر: AIP Publishing LLC, 2016.
سنة النشر: 2016
المجموعة: LCC:Physics
مصطلحات موضوعية: Physics, QC1-999
الوصف: Though widely used in modelling nano- and micro- structures, Eringen’s differential model shows some inconsistencies and recent study has demonstrated its differences between the integral model, which then implies the necessity of using the latter model. In this paper, an analytical study is taken to analyze static bending of nonlocal Euler-Bernoulli beams using Eringen’s two-phase local/nonlocal model. Firstly, a reduction method is proved rigorously, with which the integral equation in consideration can be reduced to a differential equation with mixed boundary value conditions. Then, the static bending problem is formulated and four types of boundary conditions with various loadings are considered. By solving the corresponding differential equations, exact solutions are obtained explicitly in all of the cases, especially for the paradoxical cantilever beam problem. Finally, asymptotic analysis of the exact solutions reveals clearly that, unlike the differential model, the integral model adopted herein has a consistent softening effect. Comparisons are also made with existing analytical and numerical results, which further shows the advantages of the analytical results obtained. Additionally, it seems that the once controversial nonlocal bar problem in the literature is well resolved by the reduction method.
نوع الوثيقة: article
وصف الملف: electronic resource
اللغة: English
تدمد: 2158-3226
Relation: https://doaj.org/toc/2158-3226
DOI: 10.1063/1.4961695
URL الوصول: https://doaj.org/article/4eff6882088c428a83f3e689c6366b8c
رقم الأكسشن: edsdoj.4eff6882088c428a83f3e689c6366b8c
قاعدة البيانات: Directory of Open Access Journals
الوصف
تدمد:21583226
DOI:10.1063/1.4961695