Journal ArticleDOI
Topological synthesis of compliant mechanisms using multi-criteria optimization
TLDR
In this paper, a new method for topological synthesis of single-piece compliant mechanisms is presented, using a "design for required deflection" approach, which handles motion and loading requirements simultaneously for a given set of input force and output deflection specifications.Abstract:
Compliant mechanisms are mechanical devices that achieve motion via elastic deformation. A new method for topological synthesis of single-piece compliant mechanisms is presented, using a “design for required deflection” approach. A simple beam example is used to illustrate this concept and to provide the motivation for a new multi-criteria approach for compliant mechanism design. This new approach handles motion and loading requirements simultaneously for a given set of input force and output deflection specifications. Both a truss ground structure and a two-dimensional continuum are used in the implementation which is illustrated with design examples.read more
Citations
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Journal ArticleDOI
Design of Adaptive Cores of Sandwich Structures Using a Compliant Unit Cell Approach and Topology Optimization
Jiangzi Lin,Zhen Luo,Liyong Tong +2 more
TL;DR: In this article, the core layer of adaptive sandwich structures is treated as a compliant unit cell network and the network is synthesized by repeatedly linked identical compliant unit cells, each unit cell is designed to possess shape adaptive functions independently and through the accumulation of the number of cells within the network, the global adaptive functions are accumulated also.
Journal ArticleDOI
Design and analysis of prosthetic foot using additive manufacturing technique
TL;DR: The complete design process of a motion prosthetic foot manufactured by using Poly lactic acid (PLA) material is dealt with and the weight is drastically reduced while the structure is maintained at a high strength.
Journal ArticleDOI
Configuration Optimization of Clamping Members of Frame-Supported Membrane Structures
TL;DR: In this article, a method for configuration optimization of frames that have specified properties on nodal displacements, stresses, and reaction forces against static loads is presented, where a feasible solution with a small number of members satisfying all the design requirements except the stress constraints is obtained by assigning artificially small upper bound displacement, or penalizing the stiffness of a thin member.
Journal ArticleDOI
A numerical method for static analysis of pseudo-rigid-body model of compliant mechanisms
TL;DR: In this paper, a numerical method for analyzing the pseudo-rigid-body model of compliant mechanisms based on finite elements and the principle of minimum potential energy is presented, and the proposed method is shown to be applicable to the case of finite-element compliant mechanisms.
References
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Journal ArticleDOI
Generating optimal topologies in structural design using a homogenization method
Martin P. Bendsøe,Noboru Kikuchi +1 more
TL;DR: In this article, the authors present a methodology for optimal shape design based on homogenization, which is related to modern production techniques and consists of computing the optimal distribution in space of an anisotropic material that is constructed by introducing an infimum of periodically distributed small holes in a given homogeneous, i.i.
Book
Elements of Structural Optimization
TL;DR: In this article, the authors present an approach for the optimization of structural components of a ten-bar truss and a twenty-five-bar trestle in the context of structural optimization.
Journal ArticleDOI
Design and fabrication of compliant micromechanisms and structures with negative Poisson's ratio
TL;DR: In this article, a numerical topology optimization method is used to design and fabricate compliant micromechanisms and material structures with negative Poisson's ratio (NPR) using a laser micromachining setup.
Journal ArticleDOI
Topology optimization of compliant mechanisms using the homogenization method
TL;DR: A procedure to obtain a topology of an optimal structure considering flexibility is presented, based on a mutual energy concept for formulation of flexibility and the homogenization method.
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Generating optimal topologies in structural design using a homogenization method
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