Journal of Mechanical Design: Recent submissions
Now showing items 901-920 of 6182
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An Efficient Kriging-Based Constrained Optimization Algorithm by Global and Local Sampling in Feasible Region
(The American Society of Mechanical Engineers (ASME), 2020)To solve challenging optimization problems with time-consuming objective and constraints, a novel efficient Kriging-based constrained optimization (EKCO) algorithm is proposed in this paper. The EKCO mainly consists of ... -
Incorporating Field Effects Into Functional Product-System Architecting Methods
(The American Society of Mechanical Engineers (ASME), 2020)System architecture and modularity decisions are inherent to preliminary concept design. Prior modularity research has considered minimizing interactions between modules and increasing the commonality among modular product ... -
Special Issue: Analysis and Design of Sociotechnical Systems
(The American Society of Mechanical Engineers (ASME), 2020)Dealing with the aforementioned challenges is beyond the research scope of a single discipline. Some essential elements of research will continue to be pursued by disciplinary research in a diverse set of fields such as ... -
Effects of Robust Convex Optimization on Early-Stage Design Space Exploratory Behavior
(The American Society of Mechanical Engineers (ASME), 2020)Engineers design for an inherently uncertain world. In the early stages of design processes, they commonly account for such uncertainty either by manually choosing a specific worst-case and multiplying uncertain parameters ... -
Conducting Non-adaptive Experiments in a Live Setting: A Bayesian Approach to Determining Optimal Sample Size
(The American Society of Mechanical Engineers (ASME), 2020)This research studies the use of predetermined experimental plans in a live setting with a finite implementation horizon. In this context, we seek to determine the optimal experimental budget in different environments using ... -
Does Visual Fixation Affect Idea Fixation?
(The American Society of Mechanical Engineers (ASME), 2020)Divergent thinking, an aspect of creativity, is often studied by measuring performance on the Alternative Uses Test (AUT). There is, however, a gap in creativity research concerning how visual stimuli on the AUT are ... -
Robustness Metric for Robust Design Optimization Under Time- and Space-Dependent Uncertainty Through Metamodeling
(The American Society of Mechanical Engineers (ASME), 2020)Product performance varies with respect to time and space in many engineering applications. This paper discusses how to measure and evaluate the robustness of a product or component when its quality characteristics (QCs) ... -
Investigation of Tool Errors and Their Influences on Tooth Surface Topography for Face-Hobbed Hypoid Gears
(The American Society of Mechanical Engineers (ASME), 2020)Tool errors are inevitable in an actual gear-manufacturing environment and may directly affect the accuracy of machined tooth surfaces. In this paper, tool errors including spheric radius, pressure angle, rake angle, regrind ... -
Detection of System Compromise in Additive Manufacturing Using Video Motion Magnification
(The American Society of Mechanical Engineers (ASME), 2020)Three-dimensional printing systems have expanded the access to low cost, rapid methods for attaining physical prototypes or products. However, a cyber attack, system error, or operator error on a 3D-printing system may ... -
The Prototyping Behaviors of Startups: Exploring the Relationship Between Prototyping Behaviors and Startup Strategies
(The American Society of Mechanical Engineers (ASME), 2020)Prototyping is a crucial part of new product development, and engineers and designers rely on prototyping to bring novel technologies to market. In recent years, tech-based startups like Tesla or Udacity have revolutionized ... -
Dynamical Modeling and Control of Modular Snake Robots With Series Elastic Actuators for Pedal Wave Locomotion on Uneven Terrain
(The American Society of Mechanical Engineers (ASME), 2020)This paper introduces the equations of motion of modular 2D snake robots moving in vertical plane employing Series Elastic Actuators (SEAs). The kinematics of such 2D modular snake robot is presented in an efficient matrix ... -
The Influence of Rotor Geometry on Power Transfer Between Rotors in Gerotor-Type Screw Compressors
(The American Society of Mechanical Engineers (ASME), 2020)The configuration of a twin-screw positive displacement machine is proposed, consisting of an internally geared outer rotor meshing with an externally geared inner rotor. Helical rotors with constant profile and pitch are ... -
Iterative Most Probable Point Search Method for Problems With a Mixture of Random and Interval Variables
(The American Society of Mechanical Engineers (ASME), 2020)To represent input variability accurately, an input distribution model for random variables should be constructed using many data. However, for certain input variables, engineers may have only their intervals, which represent ... -
Data-Driven Energy Efficiency and Part Geometric Accuracy Modeling and Optimization of Green Fused Filament Fabrication Processes
(The American Society of Mechanical Engineers (ASME), 2020)Nowadays, increasing awareness of environmental protection has evoked the adoption of green technologies in design and manufacturing. As a revolutionizing manufacturing technology that produces components in a layer-by-layer ... -
Geometric Design and Analysis of Novel Asymmetrical Rotors for Roots Vacuum Pumps
(The American Society of Mechanical Engineers (ASME), 2020)Roots rotors dramatically determine the performance of Roots vacuum pumps. In order to develop new rotors with higher performance, a pair of novel asymmetrical rotors or eccentric involute rotors were proposed based on the ... -
Social Impact in Product Design, An Exploration of Current Industry Practices
(The American Society of Mechanical Engineers (ASME), 2020)Though academic research for identifying and considering the social impact of products is emerging, additional insights can be gained from engineers who design products every day. This paper explores current practices in ... -
Automated Tradeoff Analysis of Cost Versus Machinability for Design Feedback
(The American Society of Mechanical Engineers (ASME), 2020)As computer aided design (CAD) tools become more sophisticated, engineers are able to more easily create complex part geometries with minimal mass given strength and stiffness requirements. However, these complex part ... -
A Combinatorial Approach for Constructing Lattice Structures
(The American Society of Mechanical Engineers (ASME), 2020)Lattice structures exhibit unique properties including a large surface area and a highly distributed load-path. This makes them very effective in engineering applications where weight reduction, thermal dissipation, and ... -
Efficiency-Driven Design Methodology of Gerotor Hydraulic Units
(The American Society of Mechanical Engineers (ASME), 2020)Gerotor machines are internal gear hydraulic devices that present numerous performance benefits with respect to other topologies. For this reason, they find their application in high-efficiency mechatronic devices, such ... -
Reliability-Based Design Optimization of Complex Problems With Multiple Design Points via Narrowed Search Region
(The American Society of Mechanical Engineers (ASME), 2020)The expensive computational cost is always a major concern for reliability-based design optimization (RBDO) of complex problems. The performance of RBDO can be lowered by the inaccuracy of reliability analysis (RA) which ...