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RISExperimental Analysis of the Lift Force Discontinuity of a Spring-Loaded Pressure Safety Valve Working in Pneumatic Service
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Pressure safety valves (PSVs) are designed to provide ultimate protection for pressure systems. For design or optimization purpose, it is necessary to study the lift force exerted on the valve disk. Under special valve ...
A Harmonic Response Topology Optimization Method Based on Hybrid Cellular Automata
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Hybrid cellular automaton (HCA) method is a topology optimization method with high convergence efficiency. Harmonic response topology optimization problem has been widely researched and common frequency-domain methods have ...
Design of Unmanned Cable Shovel Based on Multiobjective Co-Design Optimization of Structural and Control Parameters
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In autonomous excavation, design and optimization of the unmanned cable shovels (UCS) are important issues in the full life cycle of the equipment. However, the design of physical structure and control system of the UCS ...
Multifidelity Data Fusion Based on Gradient-Enhanced Surrogate Modeling Method
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A multifidelity surrogate (MFS) model is a data fusion method for the enhanced prediction of less intensively sampled primary variables of interest (i.e., high-fidelity (HF) samples) with the assistance of intensively ...
An Integrated Surrogate Modeling Method for Fusing Noisy and Noise-Free Data
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Many datasets in engineering applications are heterogeneous mixtures of noise-free data, noisy data with known noise variances, and noisy data with unknown noise variances. This article proposes a data fusion method called ...
Building a Trustworthy Product-Level Shape-Performance Integrated Digital Twin With Multifidelity Surrogate Model
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Digital twin has the potential for increasing production, achieving real-time monitor, and realizing predictive maintenance by establishing a real-time high-fidelity mapping between the physical entity and its digital ...
A Pointwise-Optimal Ensemble of Surrogate Models
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The ensemble of surrogate models is commonly used to replace computationally expensive simulations due to their superior prediction accuracy and robustness compared to individual models. This paper proposes a new pointwise ...
An Advanced and Robust Ensemble Surrogate Model: Extended Adaptive Hybrid Functions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Hybrid or ensemble surrogate models developed in recent years have shown a better accuracy compared to individual surrogate models. However, it is still challenging for hybrid surrogate models to always meet the accuracy, ...
Multidisciplinary and Multifidelity Design Optimization of Electric Vehicle Battery Thermal Management System
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: 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 ...
An Adaptive Two-Stage Kriging-Based Infilling Strategy for Efficient Multi-Objective Global Optimization
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Most practical multi-objective optimization problems are often characterized by two or more expensive and conflicting objectives, which require time-consuming simulations. Commonly used algorithms construct a surrogate ...