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Keywords: topology
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Journal Articles
Journal:
Journal of Mechanical Design
Publisher: ASME
Article Type: Technical Briefs
J. Mech. Des. February 2011, 133(2): 024502.
Published Online: February 8, 2011
... for the optimal topological design of wheel rims. Design applications are studied with realistic loads on a general vehicle in various scenarios, where the results not only demonstrate originalities of wheel patterns, but also provide insights into existing wheel designs. The simplicity and generic nature imply...
Journal Articles
Journal:
Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. January 2011, 133(1): 011008.
Published Online: January 6, 2011
... the topology and geometry of an entire structure and the location and configuration of joints, considering structural performance, manufacturability, and assembleability. As a relaxation of our previous work utilizing a beam-based ground structure, this paper presents a new formulation in a continuum design...
Journal Articles
Journal:
Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. January 2011, 133(1): 011001.
Published Online: December 29, 2010
...Anupam Saxena Previous versions of the material mask overlay strategy (MMOS) for topology synthesis primarily employ circular masks to simulate voids within the design region. MMOS operates on the photolithographic principle by appropriately positioning and sizing a group of negative masks and thus...
Journal Articles
Journal:
Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. December 2010, 132(12): 121001.
Published Online: November 23, 2010
...Ketao Zhang; Jian S. Dai; Yuefa Fang This paper presents a metamorphic kinematic pair extracted from origami folds in the context of mechanisms, its evolved metamorphic chain, and the novel metamorphic parallel mechanism. This paper starts from the generic issues of topological representation...
Journal Articles
Journal:
Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. November 2010, 132(11): 111003.
Published Online: October 20, 2010
...Hong Zhou The hybrid discretization model for topology optimization of compliant mechanisms is introduced in this paper. The design domain is discretized into quadrilateral design cells. Each design cell is further subdivided into triangular analysis cells. This hybrid discretization model allows...
Journal Articles
Journal:
Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. October 2010, 132(10): 101003.
Published Online: September 30, 2010
... cellular material-property relations for the internal material structures of the system is through a topology optimization technique and a multiscale design process. Specifically, the reliability-based topology optimization (RBTO) and a multi-attribute decision design method are integrated...
Journal Articles
Journal:
Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. August 2010, 132(8): 081012.
Published Online: August 18, 2010
... profile with high fidelity. Topology optimization is used to design the compliant unit cell. Depending on the problem formulation, topology optimization can perform the simultaneous design of both the host material and the actuation material in the defined environment. This research includes a numerical...
Journal Articles
Journal:
Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. June 2010, 132(6): 061006.
Published Online: May 25, 2010
...Chandini Jain; Anupam Saxena The honeycomb-based domain representation directly yields checkerboard and point flexure free optimal solutions to various topology design problems without requiring any supplementary suppression method. This is because the root cause behind the appearance...
Journal Articles
Journal:
Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. May 2010, 132(5): 051001.
Published Online: April 29, 2010
... discusses a new topological optimization technique to solve graph-based engineering design problems by decoupling parameters and topology changes. This paper presents topological and parametric tune and prune ( ( TP ) 2 ) as a topology optimization method that has been developed specifically for domains...
Journal Articles
Journal:
Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. April 2010, 132(4): 041008.
Published Online: April 20, 2010
... process. By an inner optimization loop the controller parameters are adopted new in each of the iterations of the topology optimization in order to provide realistic load cases. The benefits will be illustrated by an example in conjunction with the humanoid robot ARMAR III of the Collaborative Research...
Journal Articles
Journal:
Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. March 2010, 132(3): 031007.
Published Online: March 22, 2010
... an object and convey it from one point to another anywhere within a two-dimensional workspace. The synthesis of such compliant mechanisms is accomplished by formulating the problem as a structural topology and shape optimization problem with multiple objectives and constraints to achieve the desired...
Journal Articles
Journal:
Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. December 2009, 131(12): 121006.
Published Online: November 12, 2009
... elements made of short elastic beams. To set up the design problem as an optimization problem, a standard ground beam-based topology optimization method is modified to handle compliant mechanisms comprised of design variable-independent semirigid beams and design variable-dependent elastic joints...
Journal Articles
Journal:
Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. February 2009, 131(2): 021001.
Published Online: December 30, 2008
...Ting-Li Yang; An-Xin Liu; Qiong Jin; Yu-Feng Luo; Hui-Ping Shen; Lu-Bin Hang This paper presents the explicit mapping relations between topological structure and position and orientation characteristic (POC) of mechanism motion output. It deals with (1) the symbolic representation and the invariant...
Journal Articles
Journal:
Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. January 2009, 131(1): 011005.
Published Online: December 11, 2008
... of the proposed geometric modeling and synthesis procedures is verified by the demonstrated examples. 03 04 2008 26 08 2008 11 12 2008 curve fitting design engineering nonlinear programming shapes (structures) topology Recoverable deformation is utilized to transfer or transform...
Journal Articles
Journal:
Journal of Mechanical Design
Publisher: ASME
Article Type: Technical Briefs
J. Mech. Des. October 2008, 130(10): 104501.
Published Online: August 21, 2008
...P. R. Ouyang; W. J. Zhang; M. M. Gupta A mechanical amplifier is an important device, which together with a piezoelectric actuator can achieve motion with high resolution and long range. In this paper, a new topology based on a symmetric five-bar structure for displacement amplification is proposed...
Journal Articles
Journal:
Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. August 2008, 130(8): 081401.
Published Online: July 10, 2008
...Myung-Jin Kim; Gang-Won Jang; Yoon Young Kim When a multipiece frame structure is designed, not only its topological layout but also assembly locations should be determined. This paper presents a compliance-minimizing topology optimization technique to determine an optimal layout configuration...
Journal Articles
Journal:
Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. July 2008, 130(7): 072303.
Published Online: May 20, 2008
..., the metamorphic mechanism possesses two features: one, the ametabolic feature referring to the specified working phases that can be accomplished by a number of traditional mechanisms; two, the metamorphic feature occurring in transition between different working phases, resulting in change of topology...
Journal Articles
Journal:
Journal of Mechanical Design
Publisher: ASME
Article Type: Technical Briefs
J. Mech. Des. July 2008, 130(7): 074501.
Published Online: May 20, 2008
...Z. H. Lan; R. Du This short paper introduces a new adjacency matrix to represent the topological changes of metamorphic mechanisms. An element “ − 1 ” is introduced to indicate the frozen kinematic pairs, which gives an easy way to represent the transformation and the dimension of the adjacency...
Journal Articles
Journal:
Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. March 2008, 130(3): 031404.
Published Online: February 14, 2008
... on the underlying cellular structure, design methods are needed for tailoring cellular topologies with customized multifunctional properties. Topology optimization methods are available for synthesizing the form of a cellular structure—including the size, shape, and connectivity of cell walls and openings—rather...
Journal Articles
Journal:
Journal of Mechanical Design
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. May 2006, 128(3): 551–558.
Published Online: July 27, 2005
... the performance after the topology is selected. Every connection in the topology is represented by a parametric wide curve in which variable shape and size are fully described and conveniently controlled by the limited number of parameters. The shape and size synthesis is formulated as the optimization...
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