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Showing 1 to 20 of 159 for “"topology optimization"”.
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Minmax topology optimization
… subjected to unknown loading using minmax and topology optimization methods. Assuming only the loading region and norm, we distribute a given amount of material in the design domain to minimize the principal compliance, i.e. the maximum compliance that is produced by the worst-case loading …
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Building science through topology optimization
… work centers on the establishment of a novel topology optimization framework targeted specifically towards the needs of the structural engineering industry. Topology optimization can be used to minimize the material consumption in a structure, while at the same time providing a tool to …
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Topics in structural topology optimization
… discusses two topics pertaining to structural topology optimization: reliability-based topology optimization and the topological derivative. We first perform reliability-based topology optimization by combining reliability analysis and material distribution topology design methods to design …
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Customized topology optimization for additive manufacturing
… match for the structural design method of topology optimization. It often produces parts with complex organic features that can perform substantially better in terms of weight and stiffness compared to their conventionally designed counterparts. Thus, an AM topology optimization constraint …
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Adaptive mesh refinement in topology optimization
… presents developments in stress constrained topology optimization with Adaptive Mesh Refinement (AMR). Regions with stress concentrations dominate the optimized design. As such, we first present an approach to obtain designs with accurately computed stress fields within the context of …
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Volumetric topology optimization under redundancy constraints
… pollution and scarcity of resources, structural optimization, the science of finding the optimal structural arrangements under equilibrium constraints, is becoming an increasing necessity in engineering practice. However, designers are hesitant to adopt a method that is by nature a limit state …
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Topology optimization of building bracing schemes
… for conventional structural steel frames using topology optimization on the lateral bracing scheme. The study focuses mainly on minimizing the amount of material used and optimizing the placement of bracing elements in typical steel frame structures to achieve economical and realistic solutions. …
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Topology Optimization of Multifunctional Nanocomposite Structures
… global multifunctional performance objectives. A topology optimization algorithm determines the optimal distribution of CNTs within an epoxy matrix in an effort to design a set of structures that are capable of performing some combination of mechanical, electrical, or peizoresistive functions. A …
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Topology Optimization Using Load Path and Homogenization
<p>In this work, the connection between topology optimization and load transfer has been established. New methods for determining load paths in two dimensional structures, plates and shells are introduced. In the two-dimensional space, there are two load paths with their total derivative equal to …
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Nonlinear structural design using multiscale topology optimization
… presents developments in nonlinear multiscale topology optimization. Our contribution consists of three parts: a multiscale design framework for nonlinear elastostatic problems; extension to nonlinear elastodynamics; and an elastoplastic design methodology for transient dynamics. We …
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Restriction methods for shape and topology optimization
… dissertation deals with problems of shape and topology optimization in which the goal is to find the most efficient shape of a physical system. The behavior of this system is captured by the solution to a boundary value problem that in turn depends on the given shape. As such, optimal shape …
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New Regimes for Topology Optimization in Photonics
… structures of unprecedented performance. Topology optimization is a particular class of inverse design method that has been increasingly popular in photonics. Numerous topology optimization tools and frameworks have been developed and often yield satisfying results for various engineering …
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Topology optimization with manufacturable multi-material primitives
Topology optimization is a field extending to the built environment. Traditionally, optimization focuses mainly on monolithic structures but recently, developments have been made toward determining algorithms for multi-material optimization. A preexisting algorithm is modified to broaden the type …
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Structural topology optimization via the genetic algorithm
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1994.
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Topology optimization with simultaneous analysis and design
Strategies for topology optimization of trusses and plane stress domains for minimum weight subject to stress and displacement constraints by Simultaneous Analysis and Design (SAND) are considered. The ground structure approach is used. For the truss topology optimization, a penalty function …
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Reliability-Based Topology Optimization with Analytic Sensitivities
… is too conservative. Reliability-Based Design Optimization (RBDO) is an alternative approach which directly considers the likelihood of failure by incorporating a reliability analysis step such as the First-Order Reliability Method (FORM). The FORM analysis requires the solution of an …
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Crashworthiness Multi-Material Topology Optimization for Minimum Mass
… Industry standard lightweighting tools such as topology optimization (TO) and emerging techniques like multi-material topology optimization (MMTO) are effective for designing lightweight structures subjected to linear loading, but they cannot consider dynamic crash loading. Crashworthiness is …
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Isogeometric topology optimization for auxetic metamaterials and structures
It is known that topology optimization is located at the conceptual design phase, which can effectively determine the numbers, connectivity and existence of holes in the structural design domain and evolve design elements to improve the concerned performance. General speaking, topology optimization …
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Geometry Projection Methods for Shape and Topology Optimization
… develop fictitious domain methods for shape and topology optimization of continuum structures in which an unambiguous definition of the geometry is available. We use fictitious domain methods because they simplify the response analysis by eliminating the need for remeshing when the design changes …
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