...Hao-yu Liao; Yuhao Chen; Boyi Hu; Sara Behdad Disassembly is an essential step for remanufacturing end-of-life (EOL) products. Optimization of disassembly sequences and the utilization of robotic technology could alleviate the labor-intensive nature of dismantling operations. This study proposes...

... and provide an optimal pathway for system designers to effectively account for future system operations at the design stage. In order to achieve optimal performance over the system’s lifecycle, post-design decisions and system operating performance can be incorporated into the initial design with the aid...

... an R–R joint. The link parameters of the mechanism are optimized to maximize the folding ratio while avoiding interference. Then, the optimized PM units are piled up to construct a novel 1DOF multilayer mechanism that has the largest folding ratio among similar structures in the literature. Moreover...

... reliability system Bayesian method uncertainty optimization reliability in design simulation-based design systems design uncertainty analysis For many system design problems, it is crucial to predict the reliability of the system under design. The reliability prediction can help not only...

... in the J ournal of M echanical D esign . 16 11 2020 18 03 2021 19 03 2021 28 05 2021 Gaussian processes evolutionary programming extrapolation optimization Emulation or surrogate modeling has become an indispensable part of many scientific and engineering...

... III) were also used to demonstrate the generative framework in our previous studies [ 4 , 7 ]. Although two same case studies are adopted in the current work, it is fundamentally different from our prior because this is the first time we have developed optimization methods for C3DP scheduling...

...Pinar Acar We present a new sampling method for the multi-scale design of polycrystalline materials, which improves the computational time efficiency compared to the existing computational approaches. The solution strategy aims to find microstructure designs that optimize component-scale mechanical...

... 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...

... are found to enable lower power transfer between rotors during operation when compared with straight-cut rotors, but with reduced swept volume for the same machine size. For particular applications, this compromise is characterized through multi-objective optimization of the rotor profile and wrap angle...

...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...

...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...

...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...

... 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 sources, the resource cost...

... 02 2018 11 07 2018 Computer-aided engineering Design for manufacturing Design methodology Design optimization Design theory Design theory Multidisciplinary design Simulation-based design Stress in design Design methodology Optimization The structure of pomelo peel...

... 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...

...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...

... 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...

...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...

... design Systems engineering Design Design methodology 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...

...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...