کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5013883 | 1463048 | 2017 | 22 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
An efficient framework for rapid life assessment in industrial applications: Fatigue crack growth
ترجمه فارسی عنوان
یک چارچوب کارآمد برای ارزیابی سریع زندگی در کاربردهای صنعتی: رشد ترک خستگی
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی مکانیک
چکیده انگلیسی
In the last 30Â years closed form solutions for stress intensity factors (Sih, 1973) [1] have been used extensively in crack propagation life assessment. While these low runtime solutions are very attractive for probabilistic type life assessments, they are constrained to simple geometries and loading conditions that would limit their application at component level. More recently, traditional 3D finite element techniques were developed to model incremental crack growth and estimate life. In contrast to the closed form solutions, finite element simulations can be more accurate capturing geometry and loading conditions but at a high runtime cost. An alternate method to make use of accurate 3D finite element based stress intensity factor solutions in a more efficient manner and to determine crack propagation life is proposed here. Bayesian hybrid modeling is utilized in this approach to provide a balance between the two techniques. Several Mode-I examples are presented herein to set a benchmark on accuracy and runtime efficiency of the proposed method.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Engineering Fracture Mechanics - Volume 181, August 2017, Pages 7-28
Journal: Engineering Fracture Mechanics - Volume 181, August 2017, Pages 7-28
نویسندگان
Balajee Ananthasayanam, Adrian Loghin, Arun K. Subramaniyan,