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Lyapunov Stability and Accuracy of Direct Integration Algorithms Applied to Nonlinear Dynamic Problems
Publisher: American Society of Civil Engineers
Lyapunov Stability Analysis of Explicit Direct Integration Algorithms Considering Strictly Positive Real Lemma
Publisher: American Society of Civil Engineers
Abstract: In structural dynamics, direct integration algorithms are commonly used to solve the temporally discretized differential equations of motion. Integration algorithms are categorized into either implicit or explicit. Implicit ...
Lyapunov Stability Analysis of Explicit Direct Integration Algorithms Applied to Multi-Degree-of-Freedom Nonlinear Dynamic Problems
Publisher: American Society of Civil Engineers
Nonlinear Stability of Differential Surge Chambers
Publisher: American Society of Civil Engineers
Abstract: Surge oscillations in a differential surge chamber have two degrees of freedom and are characterized by nonlinearities. The linear approximation provides stability criteria for small perturbations around the equilibrium ...
Direct Integration Algorithms for Efficient Nonlinear Seismic Response of Reinforced Concrete Highway Bridges
Publisher: American Society of Civil Engineers
Abstract: Reinforced concrete (RC) highway bridges are essential lifeline structures, especially in California, which has numerous active faults at which earthquakes are common occurrences. Accurate seismic structural analysis is ...
Filter Banks and Hybrid Deep Learning Architectures for Performance-Based Seismic Assessments of Bridges
Publisher: ASCE
Abstract: The existing machine learning (ML) models for vibration-based damage assessments often use highly compressed features or are restricted to preprocessed signals with fixed durations and sampling rates. Additionally, the ...
Study of the Improved Behavior of Portland Cement Mortar Based on Adsorption and Deposition of Microbial Cement
Publisher: American Society of Civil Engineers
Abstract: Microbial cement (MC) can generate biocalcium carbonate on the surface of mortar in the liquid environment, which shows potential advantages to enhance the surface property of prefabricated components. This paper is aimed ...