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RISReliability Based Vehicle Safety Assessment and Design Optimization of Roadway Radius and Speed Limit in Windy Environments
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a reliabilitybased analysis of road vehicle accidents and the optimization of roadway radius and speed limit design based on vehicle dynamics, mainly focusing on windy environments. The performance ...
A New Framework for Efficient Sequential Sampling-Based RBDO Using Space Mapping
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In engineering applications of sampling-based reliability-based design optimization (RBDO), the Monte Carlo simulation (MCS) using a surrogate model of the performance function is mainly used for the probability of failure ...
A Study on Computational Efficiency Improvement of Novel SORM Using the Convolution Integration
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper proposes to apply the convolution integral method to the novel second-order reliability method (SORM) to further improve its computational efficiency. The novel SORM showed better accuracy in estimating the ...
Deep Generative Tread Pattern Design Framework for Efficient Conceptual Design
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Tire tread patterns have played an important role in the automotive industry because they directly affect automobile performances. The conventional tread pattern development process has successfully produced and manufactured ...
Confidence-Based Design Optimization for a More Conservative Optimum Under Surrogate Model Uncertainty Caused by Gaussian Process
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Even though many efforts have been devoted to effective strategies to build accurate surrogate models, surrogate model uncertainty is inevitable due to a limited number of available simulation samples. Therefore, the ...
Design Sensitivity Method for Sampling Based RBDO With Varying Standard Deviation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Conventional reliabilitybased design optimization (RBDO) uses the mean of input random variable as its design variable; and the standard deviation (STD) of the random variable is a fixed constant. However, the constant STD ...
Conservative Surrogate Model Using Weighted Kriging Variance for Sampling Based RBDO
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In samplingbased reliabilitybased design optimization (RBDO) of largescale engineering applications, the Monte Carlo simulation (MCS) is often used for the probability of failure calculation and probabilistic sensitivity ...
Modified Structure of Deep Neural Network for Training Multi-Fidelity Data With Non-Common Input Variables
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Multi-fidelity surrogate (MFS) modeling technology, which efficiently constructs surrogate models using low-fidelity (LF) and high-fidelity (HF) data, has been studied to enhance the predictive capability of engineering ...
Surrogate-Based Time-Dependent Reliability Analysis for a Digital Twin
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A mature digital twin (DT) is supposed to enable engineers to accurately evaluate the real-time reliability of a complex engineering system. However, in practical engineering problems, reliability analysis (RA) often ...