کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
510454 865766 2011 11 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Component mode synthesis and polynomial chaos expansions for stochastic frequency functions of large linear FE models
موضوعات مرتبط
مهندسی و علوم پایه مهندسی کامپیوتر نرم افزارهای علوم کامپیوتر
پیش نمایش صفحه اول مقاله
Component mode synthesis and polynomial chaos expansions for stochastic frequency functions of large linear FE models
چکیده انگلیسی

This paper presents a methodological approach for the numerical investigation of frequency transfer functions for large FE systems with linear and nonlinear stochastic parameters. The component mode synthesis methods are used to reduce the size of the model and are extended to stochastic structural vibrations. The statistical first two moments of frequency transfer functions are obtained by an adaptive polynomial chaos expansion. Free and fixed interface methods with and without reduction of interface dof are used. The coupling with the first and second order polynomial chaos expansion is elaborated for beams and assembled plates with linear and nonlinear stochastic parameters.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Computers & Structures - Volume 89, Issues 3–4, February 2011, Pages 346–356
نویسندگان
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