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Topology Optimization Using Parabolic Aggregation Function with Independent-Continuous-Mapping Method
المؤلفون المشاركون
المصدر
Mathematical Problems in Engineering
العدد
المجلد 2013، العدد 2013 (31 ديسمبر/كانون الأول 2013)، ص ص. 1-18، 18ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2013-12-04
دولة النشر
مصر
عدد الصفحات
18
التخصصات الرئيسية
الملخص EN
This paper concentrates on finding the optimal distribution for continuum structure such that the structural weight with stress constraints is minimized where the physical design domain is discretized by finite elements.
A novel Independent-Continuous-Mapping (ICM) method is proposed to convert equivalently the binary design variables which is used to indicate material or void in the various elements to independent continuous design variables.
Moreover, three smooth mappings about weight, stiffness, and stress of the structural elements are introduced to formulate the objective function based on the so-called concepts of polish function and weighting filter function.
A new general continuous approach for topology optimization is given which can eliminate the stress singularity phenomena more efficiently than the traditional ε-relaxation method, and an alternative strain energy method for the stress constraints is proposed to overcome the difficulty in stress sensitivity analyses.
Mathematically, by means of a generalized aggregation KS-like function defined as the parabolic aggregation function, a topology optimization model is formulated with the weight objective and single parabolic global strain energy constraints.
The numerical examples demonstrate that the proposed methods effectively remove the stress concentrations and generate black-and-white designs for practically sized problems.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Jun, Tie& Yun-kang, Sui. 2013. Topology Optimization Using Parabolic Aggregation Function with Independent-Continuous-Mapping Method. Mathematical Problems in Engineering،Vol. 2013, no. 2013, pp.1-18.
https://search.emarefa.net/detail/BIM-1010547
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Jun, Tie& Yun-kang, Sui. Topology Optimization Using Parabolic Aggregation Function with Independent-Continuous-Mapping Method. Mathematical Problems in Engineering No. 2013 (2013), pp.1-18.
https://search.emarefa.net/detail/BIM-1010547
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Jun, Tie& Yun-kang, Sui. Topology Optimization Using Parabolic Aggregation Function with Independent-Continuous-Mapping Method. Mathematical Problems in Engineering. 2013. Vol. 2013, no. 2013, pp.1-18.
https://search.emarefa.net/detail/BIM-1010547
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1010547
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
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