کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4911848 | 1428528 | 2017 | 25 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Free vibration of FGM sandwich doubly-curved shallow shell based on a new shear deformation theory with stretching effects
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی عمران و سازه
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چکیده انگلیسی
Free vibration of the functionally graded material (FGM) sandwich doubly-curved shallow shells under simply supported conditions is presented. Three common types of the shell, namely, the shell with homogeneous hardcore and FGM facesheet (type A), the shell with homogeneous softcore and FGM facesheet (type B) and the shell with FGM core and homogeneous facesheet (type C), are discussed. The dynamics model is derived according to a new shear deformation theory with stretching effects. The dimensionless natural frequency is obtained by Navier method. Numerical examples of the FGM sandwich doubly-curved shallow shells are provided for different gradient material parameters, core thicknesses, radii of curvature, aspect ratios, side-to-thickness ratios and vibration modes to demonstrate the accuracy of the present theory.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Composite Structures - Volume 179, 1 November 2017, Pages 50-60
Journal: Composite Structures - Volume 179, 1 November 2017, Pages 50-60
نویسندگان
Hongyan Chen, Aiwen Wang, Yuxin Hao, Wei Zhang,