کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
753950 895761 2013 12 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Dynamic analysis of a gradient elastic polymeric fiber
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی مکانیک
پیش نمایش صفحه اول مقاله
Dynamic analysis of a gradient elastic polymeric fiber
چکیده انگلیسی

A dynamic analysis of an elastic gradient-dependent polymeric fiber subjected to a periodic excitation is considered. A nonlinear gradient elasticity constitutive equation with strain–dependent gradient coefficients is first derived and the dispersive wave propagation properties for its linearized counterpart are briefly discussed. For the linearized problem a variational formulation is also developed to obtain related boundary conditions of both classical (standard) and non-classical (gradient) type. Analytical solutions in the form of Fourier series for the fiber's displacement and strain fields are provided. The solutions depend on a dimensionless scale parameter (the diameter to length radio d = D/L) and, therefore, size effects are captured.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Acta Mechanica Solida Sinica - Volume 26, Issue 1, February 2013, Pages 9-20