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RISDesign and Manufacturing Functionally Gradient Material Objects With an Off the Shelf Three Dimensional Printer: Challenges and Solutions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents the challenges and solutions encountered while designing and then printing functionally gradient material (FGM) objects using an off the shelf fused deposition modeling (FDM) 3D printer. The printer, ...
Optimizing Topology and Gradient Orthotropic Material Properties Under Multiple Loads
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The goal of this research is to optimize an object's macroscopic topology and localized gradient material properties (GMPs) subject to multiple loading conditions simultaneously. The gradient material of each macroscopic ...
Dual Residual for Centralized Augmented Lagrangian Coordination Based on Optimality Conditions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Centralized augmented Lagrangian coordination (ALC) has drawn much attention due to its parallel computation capability, efficiency, and flexibility. The initial setting and update strategy of the penalty weights in this ...
Improving the Performance of the Augmented Lagrangian Coordination: Decomposition Variants and Dual Residuals
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The augmented Lagrangian coordination (ALC), as an effective coordination method for decomposition-based optimization, offers significant flexibility by providing different variants when solving nonhierarchically decomposed ...
A Mathematical Model-Based Optimization Method for Direct Metal Deposition of Multimaterials
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: During the past few years, metal-based additive manufacturing technologies have evolved and may enable the direct fabrication of heterogeneous objects with full spatial material variations. A heterogeneous object has ...
Systematic Design Optimization of the Metamaterial Shear Beam of a Nonpneumatic Wheel for Low Rolling Resistance
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Systematic engineering of components that employ metamaterials has expanded the mechanical design field in recent years. Yet, topology optimization remains a burdensome tool to utilize within a systematic engineering ...
Equitable Multi Objective Optimization Applied to the Design of a Hybrid Electric Vehicle Battery
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This work considers the impact of thermal behavior in battery design. The cell performance worsens when the operating temperature falls outside of the ideal range, and evenness of cell temperatures is sought to prevent ...
Planning the Shortest Path in Cluttered Environments: A Review and a Planar Convex Hull-Based Approach
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: Routing or path-planning is the problem of finding a collision-free and preferably shortest path in an environment usually scattered with polygonal or polyhedral obstacles. The geometric algorithms oftentimes tackle the ...
Design of a Single Layer Metamaterial for Pressure Offloading of Transtibial Amputees
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: While using a prosthesis, transtibial amputees can experience pain and discomfort brought on by large pressure gradients at the interface between the residual limb and the prosthetic socket. Current prosthetic interface ...
Cutting Plane Methods for Analytical Target Cascading With Augmented Lagrangian Coordination
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Analytical target cascading (ATC), a hierarchical, multilevel, multidisciplinary coordination method, has proven to be an effective decomposition approach for largescale engineering optimization problems. In recent years, ...