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RISNumerical Simulation of Traction in Rolling/Sliding Contacts
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new model of traction in elastohydrodynamically lubricated contact is presented to study shear stress distributions. Results of full numerical analyses of elliptical contacts under rolling and ...
A CFD Based Correlation for Erosion Factor for Long-Radius Elbows and Bends
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A model for predicting sand erosion in 90 degree elbows and bends has been developed based on computational fluid dynamics (CFD), particle tracking and erosion data. After the flow field was ...
Top-Down Hierarchical Construction and Application of a Domain Knowledge Graph Based on Multimodal Design Information
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Market demands for diversified and personalized customer needs drive the need for continuous high-speed iteration of products. Among them, product conceptual design is the core process for meeting consumer needs and ...
Fatigue Analysis of Spherical Contact Subjected to Cyclic Elastic-Plastic Normal Loading
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Surface fatigue resulting from cyclic contact loading is a main reason for the rough surface wear. Since a rough surface consists of many asperities, the fatigue in one asperity is investigated. The multiaxial Fatemi–Socie ...
An Efficient Conflict Detection and Resolution Scheme for Geometric Constraints Using a Pruning and Backtracking Strategy
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Identifying and eliminating conflicts and redundancies between geometric constraints is crucial for effective constraint resolving in engineering design. This research proposes a graph-based conflict detection and resolution ...
An Image Generator Enhanced Deep Operator Network for Predicting the Geometry Deformations in Contact Problems With Random Rough Surfaces
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Optimizing the geometry deformation characteristics in contact problems with random rough surfaces is an important component of improving product performance, such as assembly accuracy, sealing percolation, contact thermal ...
A Simultaneous Variable Solution Procedure for Laminar and Turbulent Flows in Curved Channels and Bends
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Direct Numerical Simulation of turbulent flow requires accurate numerical techniques for solving the Navier-Stokes equations. Therefore, the Navier-Stokes equations in general orthogonal and nonorthogonal ...
Coarse to Fine Extraction of Free Form Surface Features
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Freeform surface features (FFSFs) extraction is one of the key issues for redesigning and reediting the surface models exported from commercial software or reconstructed by reverse engineering. In this paper, a coarsetofine ...
Realistic Geometry Based Feature Modeling of Complex Part and Its Application in Assembly Quality Analysis
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The product assembly quality is influenced by the coupling effect of multiscale geometric errors. Acquiring the influence of dimension, tolerance and microtopography on part surface quality is the key factor of improving ...
Finite Element Method and Sharp Features Enhanced Laplacian for Interactive Shape Design of Mechanical Parts
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Laplacian based model editing is one of the most popular shape modification methods for product design. However, most existing Laplacian based methods suffer shape structure and saliency feature distortion, which limits ...