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Topological Optimization with Interfaces
2019Design of architectured materials and structures, whether in nature or in engineering, often relies on forms of optimization. In nature, controlling architecture or spatial heterogeneity is usually adaptive and incremental. Naturally occuring architectured materials exploit heterogeneity with typically graded interfaces, smoothly transitioning across ...
Grégoire Allaire +7 more
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Australian Journal of Mechanical Engineering, 2005
AbstractThe current paper presents an approach to system design of combined electro-hydraulic-mechanical systems. The approach is based on the concurrent handling of the topology as well as the design parameters of the mechanical, hydraulic and controller sub systems, respectively.
Michael Rygaard Hansen +1 more
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AbstractThe current paper presents an approach to system design of combined electro-hydraulic-mechanical systems. The approach is based on the concurrent handling of the topology as well as the design parameters of the mechanical, hydraulic and controller sub systems, respectively.
Michael Rygaard Hansen +1 more
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Optomechanical Engineering 2019, 2019
Topology optimization is a design technique that evaluates and determines the optimal material distribution, within a domain, given an objective function and constraint. For the flat, round mirror in this report, the objective function is to obtain maximum stiffness while minimizing the mass.
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Topology optimization is a design technique that evaluates and determines the optimal material distribution, within a domain, given an objective function and constraint. For the flat, round mirror in this report, the objective function is to obtain maximum stiffness while minimizing the mass.
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ON TOPOLOGY OPTIMIZATION OF TRUSSES
Engineering Optimization, 1985The selection of a minimum weight truss, out of a large set of candidate trusses, is treated. An initial configuration is generated by connecting all the n nodal points with n(n − 1)\2 truss members. A feasible displacement field, satisfying displacement and stress constraints, is obtained from a static analysis of this truss, followed by a uniform ...
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Optimal Topologies of Structures
Applied Mechanics Reviews, 1989Topological design, where the member connectivity is sought in addition to member sizing, is perhaps the most challenging and economically the most rewarding of the structural optimization tasks. Due to the basic difficulties involved in the solution process, various simplifications and approximations are often considered. The present review introduces
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Topological Complexity Control for Topology Optimization [PDF]
9th AIAA/ISSMO Symposium on Multidisciplinary Analysis and Optimization, 2002 Yoon Young Kim, Jeong Hun Seo
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Topology optimization in wavelet space
International Journal for Numerical Methods in Engineering, 2001AbstractWe investigate the use of wavelet methods for the design description in topology optimization. This is a new setting for topology optimization that does not take the material densities in the elements of the finite element model as the design space. This new approach has advantages and limitations which are discussed.
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Exceptional topology of non-Hermitian systems
Reviews of Modern Physics, 2021Emil J Bergholtz +2 more
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Non-Hermitian topology and exceptional-point geometries
Nature Reviews Physics, 2022Kun Ding, Chen Fang, Guancong
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