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Keywords: topology optimization
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Journal Articles
Article Type: Research Papers
J. Mech. Des. February 2023, 145(2): 021702.
Paper No: MD-22-1458
Published Online: December 12, 2022
... streamlines in the two mutually orthogonal direction fields that are obtained from homogenization-based topology optimization. Streamlines in these fields are converted into a graph, which is then used to construct a quad-dominant mesh whose edges follow the direction fields. In addition, the edge width...
Journal Articles
Article Type: Research Papers
J. Mech. Des. January 2023, 145(1): 012002.
Paper No: MD-22-1110
Published Online: October 10, 2022
... printability evaluation laser powder bed fusion design for manufacturing multidisciplinary design and optimization simulation-based design topology optimization U.S. Army Research Laboratory 10.13039/100006754 W911NF-18-2-0162 Heat exchangers (HXs) have been widely used...
Journal Articles
Article Type: Research Papers
J. Mech. Des. December 2022, 144(12): 121701.
Paper No: MD-21-1790
Published Online: September 20, 2022
...Yue Wang; Hua Zhang; Zongliang Du; Weisheng Zhang; Xu Guo In this work, a hybrid topology optimization scheme based on the moving morphable component (MMC) method is presented for the design of stiffened membrane structure. The stiffened membrane structure is composed of a base membrane...
Journal Articles
Article Type: Review Articles
J. Mech. Des. December 2022, 144(12): 120801.
Paper No: MD-21-1765
Published Online: August 26, 2022
... interactions). In addition, the performance evaluation of the designs obtained from existing systems is left to human designers. The main limitation of the current approaches used in component placement, interconnect routing, and physics-based topology optimization is that they address these problems...
Journal Articles
Article Type: Research Papers
J. Mech. Des. November 2022, 144(11): 111701.
Paper No: MD-22-1103
Published Online: July 22, 2022
... to be able to manufacture a mechanism/robot which is stiff enough for a given task. This paper deals with a novel approach that allows to design mechanisms by means of structural topology optimization while specific dynamic balancing conditions are considered. In our work, the links are treated as three...
Journal Articles
Article Type: Research Papers
J. Mech. Des. August 2022, 144(8): 081702.
Paper No: MD-21-1253
Published Online: March 31, 2022
...-based topology optimization to the generative design of origami structures. The origami mechanism is simulated using thin shell models where the deformation on the surface and the deformation in the normal direction can be simplified and well captured. Moreover, the fold pattern is implicitly...
Journal Articles
Article Type: Research Papers
J. Mech. Des. July 2022, 144(7): 073301.
Paper No: MD-21-1472
Published Online: February 15, 2022
.... organic chemistry homolog screening mode switching rules mode richness rule design methodology design theory and methodology mechanism synthesis systems design topology optimization The hybrid powertrain is the core of the hybrid electric vehicle, which determines machine connection...
Journal Articles
Article Type: Research Papers
J. Mech. Des. June 2022, 144(6): 061702.
Paper No: MD-21-1433
Published Online: January 17, 2022
...)90086-2 [2] Wang , F. , Lazarov , B. S. , and Sigmund , O. , 2011 , “ On Projection Methods, Convergence and Robust Formulations in Topology Optimization ,” Struct. Multidiscipl. Optim. , 43 ( 6 ), pp. 767 – 784 . 10.1007/s00158-010-0602-y [3] Wang , M. Y. , Wang...
Journal Articles
Article Type: Research Papers
J. Mech. Des. May 2022, 144(5): 051703.
Paper No: MD-21-1150
Published Online: December 6, 2021
...Shinjan Ghosh; Erik Fernandez; Jayanta Kapat Topology optimization uses a variable permeability approach to manipulate flow geometries. Such a method has been employed in the current work to modify the geometric configuration of internal cooling ducts by manipulating the distribution of material...
Journal Articles
Article Type: Research Papers
J. Mech. Des. February 2022, 144(2): 021711.
Paper No: MD-21-1262
Published Online: December 6, 2021
...Mohammad Mahdi Behzadi; Horea T. Ilieş A number of machine learning methods have been recently proposed to circumvent the high computational cost of the gradient-based topology optimization solvers. By and large, these methods show tight generalizability to unseen boundary and external loading...
Journal Articles
Article Type: Research Papers
J. Mech. Des. February 2022, 144(2): 021703.
Paper No: MD-21-1235
Published Online: September 15, 2021
... insights into the effect of categorical factors, such as those associated with “building blocks” of architectures and element choices in metamaterial and materials design. Our approach is demonstrated for machine learning of ternary oxide materials and topology optimization of a multiscale compliant...
Journal Articles
Article Type: Research Papers
J. Mech. Des. January 2022, 144(1): 011704.
Paper No: MD-21-1216
Published Online: August 11, 2021
...Benliang Zhu; Rixin Wang; Hongchuan Zhang; Hai Li; Junwen Liang; Xianmin Zhang; Hao Li; Shinji Nishiwaki Standard moving morphable component (MMC)-based topology optimization methods use free components with explicitly geometrical parameters as design units to obtain the optimal structural topology...
Journal Articles
Article Type: Research Papers
J. Mech. Des. January 2022, 144(1): 011702.
Paper No: MD-21-1026
Published Online: July 21, 2021
... challenges in design optimization due to the vastly increased design freedom in material orientations. This paper presents an anisotropic topology optimization method for designing large-scale, 3D variable-axial lightweight composite structures subject to multiple load cases. The computational challenges...
Journal Articles
Article Type: Research Papers
J. Mech. Des. October 2021, 143(10): 101702.
Paper No: MD-20-1527
Published Online: May 3, 2021
... of producing material layouts that are not only intricate but at the same time, readily manufacturable. This paper presents a topology optimization framework for designing well-connected and exact-sized multi-material cellular structures that are to be subjected to temperature change. In this framework, multi...
Journal Articles
Article Type: Research Papers
J. Mech. Des. September 2021, 143(9): 091703.
Paper No: MD-19-1606
Published Online: March 19, 2021
...B. Barroqueiro; A. Andrade-Campos; J. Dias-de-Oliveira; R. A. F. Valente The potential of additive layer manufacturing (ALM) is high, with a whole new set of manufacturable parts with unseen complexity being offered. Moreover, the combination of topology optimization (TO) with ALM has brought...
Journal Articles
Article Type: Research Papers
J. Mech. Des. September 2021, 143(9): 091702.
Paper No: MD-20-1595
Published Online: March 18, 2021
...Hao Deng; Albert C. To This paper proposes a new parametric level set method for topology optimization based on deep neural network (DNN). In this method, the fully connected DNN is incorporated into the conventional level set methods to construct an effective approach for structural topology...
Journal Articles
Article Type: Research Papers
J. Mech. Des. June 2021, 143(6): 061703.
Paper No: MD-19-1505
Published Online: November 20, 2020
...Gil Ho Yoon; Seon Il Ha The present research develops a new shadow filter and presents its usage for structural topology optimization (TO) considering the molding manufacturability. It is important to consider manufacturing methods in designing products. Some geometrical features not allowing...
Journal Articles
Article Type: Research Papers
J. Mech. Des. April 2021, 143(4): 041701.
Paper No: MD-19-1631
Published Online: October 12, 2020
... of the basis functions in the parameterized level set method. This paper examines the basis functions of the parameterized level set method, including radial basis functions, B-spline functions, and shape functions in the finite element method (FEM) for topology optimization of continuums. The effects...
Journal Articles
Article Type: Research Papers
J. Mech. Des. November 2020, 142(11): 111705.
Paper No: MD-18-1385
Published Online: June 15, 2020
... design methodology design optimization multidisciplinary design and optimization topology optimization Stress-based design has proven to be a challenge for structural optimization. Shape (and also topology) optimization benefits from the advance of manufacturing technologies, such as additive...
Journal Articles
Article Type: Research Papers
J. Mech. Des. September 2020, 142(9): 091705.
Paper No: MD-19-1867
Published Online: May 8, 2020
...Yuan Liu; Shurong Zhuo; Yining Xiao; Guolei Zheng; Guoying Dong; Yaoyao Fiona Zhao Lightweight lattice structure generation and topology optimization (TO) are common design methodologies. In order to further improve potential structural stiffness of lattice structures, a method combining the multi...