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Approximation of Linear Elastic Shells by Curved Triangular Finite Elements Based on Elastic Thick Shells Theory
المؤلفون المشاركون
Ngayihi Abbe, Claude Valery
Nzengwa, Robert
Anyi, Joseph Nkongho
Amba, Jean Chills
المصدر
Mathematical Problems in Engineering
العدد
المجلد 2016، العدد 2016 (31 ديسمبر/كانون الأول 2016)، ص ص. 1-12، 12ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2016-08-29
دولة النشر
مصر
عدد الصفحات
12
التخصصات الرئيسية
الملخص EN
We have developed a curved finite element for a cylindrical thick shell based on the thick shell equations established in 1999 by Nzengwa and Tagne (N-T).
The displacement field of the shell is interpolated from nodal displacements only and strains assumption.
Numerical results on a cylindrical thin shell are compared with those of other well-known benchmarks with satisfaction.
Convergence is rapidly obtained with very few elements.
A scaling was processed on the cylindrical thin shell by increasing the ratio χ = h / 2 R (half the thickness over the smallest radius in absolute value) and comparing results with those obtained with the classical Kirchhoff-Love thin shell theory; it appears that results diverge at 2 χ = 1 / 10 = 0.316 because of the significant energy contribution of the change of the third fundamental form found in N-T model.
This limit value of the thickness ratio which characterizes the limit between thin and thick cylindrical shells differs from the ratio 0.4 proposed by Leissa and 0.5 proposed by Narita and Leissa.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Anyi, Joseph Nkongho& Nzengwa, Robert& Amba, Jean Chills& Ngayihi Abbe, Claude Valery. 2016. Approximation of Linear Elastic Shells by Curved Triangular Finite Elements Based on Elastic Thick Shells Theory. Mathematical Problems in Engineering،Vol. 2016, no. 2016, pp.1-12.
https://search.emarefa.net/detail/BIM-1112770
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Anyi, Joseph Nkongho…[et al.]. Approximation of Linear Elastic Shells by Curved Triangular Finite Elements Based on Elastic Thick Shells Theory. Mathematical Problems in Engineering No. 2016 (2016), pp.1-12.
https://search.emarefa.net/detail/BIM-1112770
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Anyi, Joseph Nkongho& Nzengwa, Robert& Amba, Jean Chills& Ngayihi Abbe, Claude Valery. Approximation of Linear Elastic Shells by Curved Triangular Finite Elements Based on Elastic Thick Shells Theory. Mathematical Problems in Engineering. 2016. Vol. 2016, no. 2016, pp.1-12.
https://search.emarefa.net/detail/BIM-1112770
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1112770
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