Vibration investigation of cylindrical pipes with sigmoid, power law and exponentially graded material

سال انتشار: 1391
محل انتشار: چهاردهمین همایش صنایع دریایی
کد COI اختصاصی: NSMI14_133
زبان مقاله: انگلیسی
تعداد مشاهده: 714

نویسندگان

Assistant Professor, Faculty of Engineering, Zanjan University;

Student, Faculty of Engineering, Zanjan University;

چکیده

Functionally graded materials have different attractive properties such as high strength and high stiffness. Thus they have attracted much attention in aerospace, automotive and marine industries. In this paper free vibration of a functionally graded cylindrical shell composed of stainless steel and nickel has been studied. The influence of the volume fraction, the influence of the FGM configuration and the effects of geometric parameters on the frequency characteristics for P-FGM, S-FGM and E-FGM cylindrical shells are studied. The analysis was carried out with Love’sshell theory and Rayleigh-Ritz method. The study shows that for all P-FGM, S-FGM and E-FGM shells and for all construction of constituent materials the frequency characteristics are similar to homogeneous isotropic cylindrical shell and the natural frequencies lie between those for a stainless steel and nickel cylindrical shells. To validate the analysis, results for simply supported cylindrical shells are compared with an article. The comparisons show that the present results agreed well with those in the paper

کلیدواژه ها

Vibration, Functionally graded pipes, sigmoid functionally graded, exponential functionally graded

مقالات مرتبط جدید

اطلاعات بیشتر در مورد COI

COI مخفف عبارت CIVILICA Object Identifier به معنی شناسه سیویلیکا برای اسناد است. COI کدی است که مطابق محل انتشار، به مقالات کنفرانسها و ژورنالهای داخل کشور به هنگام نمایه سازی بر روی پایگاه استنادی سیویلیکا اختصاص می یابد.

کد COI به مفهوم کد ملی اسناد نمایه شده در سیویلیکا است و کدی یکتا و ثابت است و به همین دلیل همواره قابلیت استناد و پیگیری دارد.