Journal of Mechanical Design: Recent submissions
Now showing items 1181-1200 of 6182
-
A Novel Time-Variant Reliability Analysis Method Based on Failure Processes Decomposition for Dynamic Uncertain Structures
(The American Society of Mechanical Engineers (ASME), 2018)Due to the uncertainties and the dynamic parameters from design, manufacturing, and working conditions, many engineering structures usually show uncertain and dynamic properties. This paper proposes a novel time-variant ... -
Design of a Spatial Translation Mechanism by Optimizing Spatial Ground Structures and Its Kinematic Analysis
(The American Society of Mechanical Engineers (ASME), 2018)In our previous work, we designed a three-degrees-of-freedom (3DOF) translational parallel mechanism based on a proposed design strategy. In this paper, the design strategy is further improved, and a novel spatial translation ... -
The Perimeter Loop-Based Method for the Automatic Isomorphism Detection in Planetary Gear Trains
(The American Society of Mechanical Engineers (ASME), 2018)Planetary gear trains (PGTs) are widely used in transmission systems. The structural synthesis of PGTs is an effective way to create novel and excellent transmissions. In the structural synthesis of PGTs, the isomorphism ... -
New Graph Representation for Planetary Gear Trains
(The American Society of Mechanical Engineers (ASME), 2018)Planetary gear trains (PGTs) are widely used in machinery to transmit angular velocity ratios or torque ratios. The graph theory has been proved to be an effective tool to synthesize and analyze PGTs. This paper aims to ... -
Active Learning Kriging Model Combining With Kernel-Density-Estimation-Based Importance Sampling Method for the Estimation of Low Failure Probability
(The American Society of Mechanical Engineers (ASME), 2018)Strategies combining active learning Kriging (ALK) model and Monte Carlo simulation (MCS) method can accurately estimate the failure probability of a performance function with a minimal number of training points. That is ... -
Additive Manufacturing-Enabled Part Count Reduction: A Lifecycle Perspective
(The American Society of Mechanical Engineers (ASME), 2018)Part count reduction (PCR) is one of the typical motivations for using additive manufacturing (AM) processes. However, the implications and trade-offs of employing AM for PCR are not well understood. The deficits are mainly ... -
Towards a Numerical Approach of Finding Candidates for Additive Manufacturing-Enabled Part Consolidation
(The American Society of Mechanical Engineers (ASME), 2018)Part consolidation (PC) is one of the typical design freedoms enabled by additive manufacturing (AM) processes. However, how to select potential candidates for PC is rarely discussed. This deficiency has hindered AM from ... -
A Structural Equation Modeling-Based Strategy for Design Optimization of Multilayer Composite Structural Systems
(The American Society of Mechanical Engineers (ASME), 2018)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 ... -
Parameter–Excited Instabilities of a 2UPU-RUR-RPS Spherical Parallel Manipulator With a Driven Universal Joint
(The American Society of Mechanical Engineers (ASME), 2018)This paper presents the parametrically excited lateral instabilities of an asymmetrical spherical parallel manipulator (SPM) by means of monodromy matrix method. The linearized equation of motion for the lateral vibrations ... -
A Knowledge Management System to Support Design for Additive Manufacturing Using Bayesian Networks
(The American Society of Mechanical Engineers (ASME), 2018)Design for additive manufacturing (DfAM) is gaining increasing attention because of the unique capabilities that additive manufacturing (AM) technologies provide. While they have the ability to produce more complex shapes ... -
A Method to Generate the Spiral Flutes of an Hourglass Worm Gear Hob
(The American Society of Mechanical Engineers (ASME), 2018)All of the cutting edges on an hourglass worm gear hob have different shapes and spiral angles. If the spiral angles are small, straight flutes are typically adopted. However, for hobs with multiple threads, the absolute ... -
Hip Implant Design With Three-Dimensional Porous Architecture of Optimized Graded Density
(The American Society of Mechanical Engineers (ASME), 2018)Even in a well-functioning total hip replacement, significant peri-implant bone resorption can occur secondary to stress shielding. Stress shielding is caused by an undesired mismatch of elastic modulus between the stiffer ... -
Time-Dependent Reliability-Based Dimensional Synthesis for Planar Linkages With Unknown but Bounded Joint Clearances
(The American Society of Mechanical Engineers (ASME), 2018)Linkage mechanisms are typically designed to generate a specific functional relationship or path. Because the uncertain dimensions and joint clearances severely affect the output motion accuracy, designers urgently need a ... -
A Radial-Based Centralized Kriging Method for System Reliability Assessment
(The American Society of Mechanical Engineers (ASME), 2018)System reliability assessment is a challenging task when using computationally intensive models. In this work, a radial-based centralized Kriging method (RCKM) is proposed for achieving high efficiency and accuracy. The ... -
Beyond Mean–Variance: The Mean–Gini Approach to Optimization Under Uncertainty
(The American Society of Mechanical Engineers (ASME), 2018)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 ... -
The Torque Capacity of a Magnetorheological Fluid Brake Compared to a Frictional Disk Brake
(The American Society of Mechanical Engineers (ASME), 2018)In this technical brief, the authors compare the torque capacity of a magnetorheological (MR) fluid brake with a conventional frictional disk brake. In the development of the torque models for both brakes, a mathematical ... -
A New Interval Area Metric for Model Validation With Limited Experimental Data
(The American Society of Mechanical Engineers (ASME), 2018)Various stochastic validation metrics have been developed for validating models, among which area metric is frequently used in many practical problems. However, the existing area metric does not consider experimental ... -
Multidisciplinary and Multifidelity Design Optimization of Electric Vehicle Battery Thermal Management System
(The American Society of Mechanical Engineers (ASME), 2018)Battery thermal management system (BTMS) is a complex and highly integrated system, which is used to control the battery thermal conditions in electric vehicles (EVs). The BTMS consists of many subsystems that belong to ... -
Quantifying the Shape of Pareto Fronts During Multi-Objective Trade Space Exploration
(The American Society of Mechanical Engineers (ASME), 2018)Recent advances in simulation and computation capabilities have enabled designers to model increasingly complex engineering problems, taking into account many dimensions, or objectives, in the problem formulation. Increasing ... -
A Versatile 3R Pseudo-Rigid-Body Model for Initially Curved and Straight Compliant Beams of Uniform Cross Section
(The American Society of Mechanical Engineers (ASME), 2018)Rigid-body discretization of continuum elements was developed as a method for simplifying the kinematics of otherwise complex systems. Recent work on pseudo-rigid-body (PRB) models for compliant mechanisms has opened up ...