Journal of Mechanical Design: Recent submissions
Now showing items 921-940 of 6182
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3D Design Using Generative Adversarial Networks and Physics-Based Validation
(The American Society of Mechanical Engineers (ASME), 2020)The authors present a generative adversarial network (GAN) model that demonstrates how to generate 3D models in their native format so that they can be either evaluated using complex simulation environments or realized ... -
Closed-Form Calculation of Lead Flank Modification Proposal for Spur and Helical Gear Stages
(The American Society of Mechanical Engineers (ASME), 2020)Due to the growing need for gearboxes to be as lightweight and efficient as possible, it is most important that the gear mesh’s potential is utilized as well as possible. One way of doing that is to define a flank modification ... -
Flexure Pivot Oscillator With Intrinsically Tuned Isochronism
(The American Society of Mechanical Engineers (ASME), 2020)The most important property for accurate mechanical time bases is isochronism: the independence of period from oscillation amplitude. This paper develops a new concept in isochronism adjustment for flexure-based watch ... -
Modeling and Dynamic Characteristics of Planetary Gear Transmission in Non-inertial System of Aerospace Environment
(The American Society of Mechanical Engineers (ASME), 2020)The traditional research on the dynamics of planetary gear transmission (PGT) is based on the assumption that the support is on the ground. However, the PGT inside the aircraft is spatially moved along with the airframe, ... -
Kinematic Reliability Analysis of Robotic Manipulator
(The American Society of Mechanical Engineers (ASME), 2020)Kinematic reliability of robotic manipulators is the linchpin for restraining the positional errors within acceptable limits. This work develops an efficient reliability analysis method to account for random dimensions and ... -
Research on the Discrete Algorithm of Tooth Surface for a Curve-Face Gear
(The American Society of Mechanical Engineers (ASME), 2020)The curve-face gear pair is a new type of face gear pair with a variable transmission ratio. Concerning the complexity of its tooth surface, based on the coordinate transformation principle and the spatial meshing theory, ... -
Mathematical Model of a Vertical Six-Axis Cartesian Computer Numerical Control Machine for Producing Face-Milled and Face-Hobbed Bevel Gears
(The American Society of Mechanical Engineers (ASME), 2020)Prior to the development of sophisticated computer numerical control (CNC), both face milling (FM) and face hobbing (FH), the two most popular technologies for bevel gear production, required cradle-type machines with ... -
General-Surrogate Adaptive Sampling Using Interquartile Range for Design Space Exploration
(The American Society of Mechanical Engineers (ASME), 2020)A surrogate model is a common tool to approximate system response at untested points for design space exploration. Adaptive sampling has been studied for improving the accuracy of surrogates iteratively by introducing ... -
Design, Fabrication, and Testing of a Novel 3-DOF Energy Harvester With Single Piezoelectric Stack
(The American Society of Mechanical Engineers (ASME), 2020)This paper presents the design, fabrication, and testing of a novel single stack-based piezoelectric energy harvester (PEH) for harvesting energy from three-degree-of-freedom (3-DOF) force excitation. One uniqueness lies ... -
Computer-Aided Design-Based Topology Optimization System With Dynamic Feature Shape and Modeling History Evolution
(The American Society of Mechanical Engineers (ASME), 2020)Conventional topology optimization presentations generally highlight the numerical and optimization details established on the specially customized discrete geometric modeling system, which is incompatible with the existing ... -
A Comparative Study of Formulations and Algorithms for Reliability-Based Co-Design Problems
(The American Society of Mechanical Engineers (ASME), 2020)While integrated physical and control system co-design has been demonstrated successfully on several engineering system design applications, it has been primarily applied in a deterministic manner without considering ... -
Conceptual Insightful Synthesis of Spatial Compliant Mechanisms Using the Load Flow Formulation
(The American Society of Mechanical Engineers (ASME), 2020)Conceptual design of spatial compliant mechanisms with distinct input and output ports may be hard because of its complex interconnected topology and is currently accomplished by computationally intensive automated techniques. ... -
A Mathematical Model for Grinding a Stick Blade Profile to Cut Hypoid Gears
(The American Society of Mechanical Engineers (ASME), 2020)Cutter head with multiple stick blades is widely used in the mass production of hypoid and spiral bevel gears because they allow more blades per revolution of the head cutter. However, the stick blade geometry for a head ... -
Theoretical Study on the Influence of Planet Gear Rim Thickness and Bearing Clearance on Calculated Bearing Life
(The American Society of Mechanical Engineers (ASME), 2020)Planetary gearboxes are becoming more popular due to their high-power density and potentially high efficiency. When the planet bearings are internally mounted, the body of the planet gear has to be hollow. The demand for ... -
A Vine Copula-Based Hierarchical Framework for Multiscale Uncertainty Analysis
(The American Society of Mechanical Engineers (ASME), 2020)Uncertainty analysis is an effective methodology to acquire the variability of composite material properties. However, it is hard to apply hierarchical multiscale uncertainty analysis to the complex composite materials due ... -
Resource Allocation for System Reliability Assessment Using Accelerated Life Testing
(The American Society of Mechanical Engineers (ASME), 2020)Accelerated life test (ALT) has been widely used to accelerate the product reliability assessment process by testing a product at higher than nominal stress conditions. For a system with multiple components, the tests can ... -
Model Validation Methods for Multiple Correlated Responses via Covariance-Overlap Based Distance
(The American Society of Mechanical Engineers (ASME), 2020)Model validation methods have been widely used in engineering design to provide a quantified assessment of the agreement between simulation predictions and experimental observations. For the validation of simulation models ... -
Tooth Surface Modelling and Mesh Behaviors for Paralleled Beveloid Gears
(The American Society of Mechanical Engineers (ASME), 2020)This paper proposed a new tooth surface modeling method for beveloid gear based on the real cutter surface using two orthogonal variables. Then, the analytical mesh model with and without misalignments were derived and ... -
Exploring the Effects of Additive Manufacturing Education on Students' Engineering Design Process and its Outcomes
(The American Society of Mechanical Engineers (ASME), 2020)Research in additive manufacturing (AM) has increased the use of AM in many industries, resulting in a commensurate need for a workforce skilled in AM. In order to meet this need, educational institutions have undertaken ... -
Complex Solutions for Complex Problems? Exploring the Role of Design Task Choice on Learning, Design for Additive Manufacturing Use, and Creativity
(The American Society of Mechanical Engineers (ASME), 2020)The integration of additive manufacturing (AM) processes in many industries has led to the need for AM education and training, particularly on design for AM (DfAM). To meet this growing need, several academic institutions ...