Multi-material topology optimization of laminated composite beam cross sections

نویسندگان
چکیده

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Topology optimization of planar cross-sections

1 I n t r o d u c t i o n Historically, structural component design has been a complex blend of experience, intuition, and heuristics. The advent of computers has fostered the widespread use ofmore rigorous optimization techniques for both conceptual and detailed phases of design. Structural optimization efforts generally are classified in thr~e categories: (1) size optimization, which allows v...

متن کامل

Finite Element Vibration Analysis of a Helically Wound Tubular and Laminated Composite Material Beam

Finite element stiffness and consistent mass matrices are derived for helically wound, symmetrical composite tubes. The tubular element is considered to have constant cross-section and small deformations restricted to a plane. Each node has three degrees of freedom: axial and transverse displacement and rotation (slope of transverse displacement). Shell theory and lamination theory are used to ...

متن کامل

TOPOLOGY OPTIMIZATION OF PRETENSIONED CONCRETE BEAMS CONSIDERING MATERIAL NONLINEARITY

In this paper, the bi-directional evolutionary structural optimization (BESO) method is used to find optimal layouts of 3D prestressed concrete beams. Considering the element sensitivity number as the design variable, the mathematical formulation of topology optimization is developed based on the ABAQUS finite element software package. The surface-to-surface contact with a small sliding between...

متن کامل

Shape Optimization in Laminated Composite Plates

At this stage a substantial body of literature exists for shape optimization involving isotropic materials. The reader is referred to the articles of Haug [1] and Haftka and Grandhi [2] for overviews of the material. One approach to the problem is analytical. Calculus of variation techniques are employed to derive explicit optimality conditions. Choi and Haug [3], Dems and Mroz [4], and Banichu...

متن کامل

Multi-material phase field approach to structural topology optimization

Multi-material structural topology and shape optimization problems are formulated within a phase field approach. First-order conditions are stated and the relation of the necessary conditions to classical shape derivatives are discussed. An efficient numerical method based on an H–gradient projection method is introduced and finally several numerical results demonstrate the applicability of the...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Composite Structures

سال: 2012

ISSN: 0263-8223

DOI: 10.1016/j.compstruct.2012.05.002