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RISConstructing Oscillating Function-Based Covariance Matrix to Allow Negative Correlations in Gaussian Random Field Models for Uncertainty Quantification
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Gaussian random field has been widely applied to quantify high-dimensional uncertainties in the spatial or temporal domain. A common practice in Gaussian random field modeling is to use the exponential function to represent ...
Quantitative Representation of Aleatoric Uncertainties in Network-Like Topological Structural Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The complex topological characteristics of network-like structural systems, such as lattice structures, cellular metamaterials, and mass transport networks, pose a great challenge for uncertainty qualification (UQ). Various ...
Designing Periodic Metamaterials Inspired by Stochastic Microstructures via Texture-Synthesis-Driven Explainable AI
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. This article presents a novel approach for generating metamaterial designs by leveraging texture information learned from stochastic microstructure samples with exceptional mechanical properties. This eXplainable ...
A Unified Approach to H∠Control of Singular Markovian Jump Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper considers the H∠control problem for a class of singular Markovian jump systems (SMJSs), where the jumping signal is not always available. The main contribution of this paper introduces a new approach to a ...
Control Variate Multifidelity Estimators for the Variance and Sensitivity Analysis of Mesostructure–Structure Systems
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: Variance and sensitivity analysis are challenging tasks when the evaluation of system performances incurs a high-computational cost. To resolve this issue, this paper investigates several multifidelity statistical estimators ...
Three-Dimensional Modeling of Wave-Induced Seabed Response Around a Semi-Buried Pipeline: A Small-Scale Case
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, a three-dimensional integrated numerical model for a small-scale case of wave-induced oscillatory soil response around a semi-buried pipeline (PORO-WSSI-PIPE 3D) is proposed. In this model, we combine the ...
Designing Mixed-Category Stochastic Microstructures by Deep Generative Model-Based and Curvature Functional-Based Methods
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Bridging the gaps among various categories of stochastic microstructures remains a challenge in the design representation of microstructural materials. Each microstructure category requires certain unique mathematical and ...
Synchronization of Chaotic Systems Using Sampled Data Polynomial Controller
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents the synchronization of two chaotic systems, namely the drive and response chaotic systems, using sampleddata polynomial controllers. The sampleddata polynomial controller is employed to drive the system ...
Numerical Simulations of Hydrodynamics and Heat Transfer in Wavy Falling Liquid Films on Vertical and Inclined Walls
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The flow of thin falling liquid films is unstable to longwave disturbances. The flow instability leads to development of waves at the liquid–gas interface. The effect of the waves on heat and mass transfer in falling ...
Dynamic Response of a Highway Bridge Subjected to Moving Vehicles
Publisher: American Society of Civil Engineers
Abstract: Several full-scale load tests were performed on a selected Florida highway bridge. The bridge was dynamically excited by two fully loaded trucks, and the strain, acceleration, and displacement at selected points were ...