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Keyword: Optimization
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Journal Articles
Article Type: Research Papers
J. Mech. Des. February 2020, 142(2): 022301.
Paper No: MD-19-1111
Published Online: October 16, 2019
... proposed in the literature. Additionally, the proposed approach is suitable for both point and cross receptances. Assignment is cast as a constrained non-convex non-linear minimization problem and the proposed solving strategy is based on the homotopy optimization approach. The method effectiveness is...
Journal Articles
Article Type: Research-Article
J. Mech. Des. December 2018, 140(12): 121404.
Paper No: MD-18-1024
Published Online: September 18, 2018
...Ping Hu; Lei Yang; Baojun Li A technique based on a skeleton-section template for parameterizing finite element (FE) models is reported and applied to shape optimization of thin-walled beam components. The template consists of a skeletal curve and a set of cross-sectional profiles. The skeletal...
Journal Articles
Article Type: Research-Article
J. Mech. Des. December 2018, 140(12): 121406.
Paper No: MD-18-1193
Published Online: September 18, 2018
...Zeng Meng; Dequan Zhang; Zhaotao Liu; Gang Li Due to the nested optimization loop structure and time-demanding computation of structural response, the computational accuracy and cost of reliability-based design optimization (RBDO) have become a challenging issue in engineering application. Kriging...
Journal Articles
Article Type: Research-Article
J. Mech. Des. November 2018, 140(11): 111407.
Paper No: MD-18-1226
Published Online: September 7, 2018
...Junqi Yang; Hongyi Xu; Zhenfei Zhan; Ching-Hung Chuang Design optimization of composite structures is a challenging task due to the large dimensionality of the design space. In addition to the geometric variables (e.g., thickness of each component), the composite layup (the fiber orientation of...
Journal Articles
Article Type: Research-Article
J. Mech. Des. November 2018, 140(11): 111409.
Paper No: MD-18-1271
Published Online: September 7, 2018
... multi-information source optimization framework that identifies, given current knowledge, the next best information source to query and where in the input space to query it via a novel value-gradient policy. The querying decision takes into account the ability to learn correlations between information...
Journal Articles
Article Type: Technical Briefs
J. Mech. Des. November 2018, 140(11): 114501.
Paper No: MD-18-1160
Published Online: September 7, 2018
.... We illustrate our method through a case study of pomelo peel bioinspired aluminum foams. More case studies of different foam materials (e.g., nickel and biomaterial) could be carried out by researchers in the future. The foam material with optimized porosity gradient could be fabricated and tested to...
Journal Articles
Article Type: Research-Article
J. Mech. Des. September 2018, 140(9): 092305.
Paper No: MD-18-1111
Published Online: July 9, 2018
... various designs and topologies. A PRB model with three revolute joints is derived to approximate the behavior of initially curved compliant beams, while treating straight beams as a special case (zero curvature). The optimized model parameter values are tabled for a range of arc angles. The general...
Journal Articles
Article Type: Research-Article
J. Mech. Des. September 2018, 140(9): 091402.
Paper No: MD-17-1787
Published Online: June 26, 2018
...George H. Cheng; Timothy Gjernes; G. Gary Wang Expensive constraints are commonly seen in real-world engineering design. However, metamodel based design optimization (MBDO) approaches often assume inexpensive constraints. In this work, the situational adaptive Kreisselmeier and Steinhauser (SAKS...
Journal Articles
Article Type: Technical Briefs
J. Mech. Des. September 2018, 140(9): 094501.
Paper No: MD-17-1569
Published Online: June 22, 2018
... disciplines, which poses challenges to BTMS optimization using conventional methods. This paper develops a general variable fidelity-based multidisciplinary design optimization (MDO) architecture and optimizes the BTMS by considering different systems/disciplines from the systemic perspective. Four subsystems...
Journal Articles
Article Type: Research-Article
J. Mech. Des. June 2018, 140(6): 061401.
Paper No: MD-17-1615
Published Online: March 26, 2018
...Alexandru-Ciprian Zăvoianu; Susanne Saminger-Platz; Doris Entner; Thorsten Prante; Michael Hellwig; Martin Schwarz; Klara Fink We present an effective optimization strategy that is capable of discovering high-quality cost-optimal solution for two-dimensional (2D) path network layouts (i.e., groups...
Journal Articles
Article Type: Research-Article
J. Mech. Des. May 2018, 140(5): 051403.
Paper No: MD-17-1624
Published Online: March 23, 2018
...Kalyan Shankar Bhattacharjee; Hemant Kumar Singh; Tapabrata Ray Engineering design often involves problems with multiple conflicting performance criteria, commonly referred to as multi-objective optimization problems (MOP). MOPs are known to be particularly challenging if the number of objectives...
Includes: Supplementary data
Journal Articles
Article Type: Research-Article
J. Mech. Des. June 2018, 140(6): 061101.
Paper No: MD-17-1275
Published Online: March 23, 2018
... Optimization Policy Technology evolution describes a change in a technology performance over time. Technology evolution prediction interests designers, entrepreneurs, and policy makers. Specifically, designers rely on the technology evolution prediction to estimate the life cycle of their product in...
Journal Articles
Article Type: Research-Article
J. Mech. Des. March 2018, 140(3): 031401.
Paper No: MD-17-1459
Published Online: December 21, 2017
...Mengyu Wang; Hanumanthrao Kannan; Christina Bloebaum In probabilistic approaches to engineering design, including robust design, mean and variance are commonly used as the optimization objectives. This method, however, has significant limitations. For one, some mean–variance Pareto efficient...
Journal Articles
Article Type: Research-Article
J. Mech. Des. February 2018, 140(2): 021402.
Paper No: MD-17-1138
Published Online: December 13, 2017
... for publication in the J OURNAL OF M ECHANICAL D ESIGN . Manuscript received February 17, 2017; final manuscript received August 30, 2017; published online December 13, 2017. Assoc. Editor: Gary Wang. 17 02 2017 30 08 2017 Multidisciplinary design Multiobjective optimization...
Journal Articles
Article Type: Research-Article
J. Mech. Des. February 2018, 140(2): 021401.
Paper No: MD-17-1331
Published Online: November 15, 2017
... design Uncertainty modeling Optimization Multidisciplinary analysis (MDA) has been intensively studied during the past two decades [ 1 , 2 ]. Current MDA methods can be roughly classified into three groups, namely, the field elimination method, the monolithic method, and the partitioned method...
Journal Articles
Article Type: Research-Article
J. Mech. Des. January 2018, 140(1): 011101.
Paper No: MD-16-1826
Published Online: November 9, 2017
... performance on what is otherwise an NP-Hard problem. To produce such rankings, this paper contributes a novel way to extend quality and diversity metrics from sets to permutations of ranked lists. These rank metrics open up the use of multi-objective optimization to describe trade-offs between diversity and...
Includes: Supplementary data
Journal Articles
Article Type: Research-Article
J. Mech. Des. December 2017, 139(12): 121404.
Paper No: MD-16-1405
Published Online: October 26, 2017
...Tianchen Liu; Shapour Azarm; Nikhil Chopra Codesign refers to the process of integrating the optimization of the physical plant design and control of a system. In this paper, a new class of codesign problems with a multisubsystem architecture in both design and control is formulated and solved. Our...
Journal Articles
Article Type: Research-Article
J. Mech. Des. November 2017, 139(11): 111417.
Paper No: MD-17-1052
Published Online: October 2, 2017
... Computer-aided design Conceptual design Design evaluation Design visualization Multidisciplinary design Product design Product family design Shape grammars Optimization It is widely accepted that product appearance plays a significant role in ensuring the market success of products [ 1 – 5...
Journal Articles
Article Type: Research-Article
J. Mech. Des. October 2017, 139(10): 100905.
Paper No: MD-17-1121
Published Online: August 30, 2017
... optimized components that serve as an engine mount in SpaceIL's GLPX lunar landing craft that will participate in the Google Lunar XPrize challenge. The development approach includes a preliminary design exploration intended to save numerical effort in order to allow efficient adoption of topology...
Journal Articles
Article Type: Research-Article
J. Mech. Des. October 2017, 139(10): 101402.
Paper No: MD-16-1673
Published Online: August 30, 2017
...Anand P. Deshmukh; James T. Allison Optimization of dynamic systems often requires system simulation. Several important classes of dynamic system models have computationally expensive time derivative functions, resulting in simulations that are significantly slower than real time. This makes design...