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RISEfficient Inelasticity-Separated Finite-Element Method for Material Nonlinearity Analysis
Publisher: American Society of Civil Engineers
Abstract: Material nonlinearity analyses are widely used to determine the safety of structural components or engineering structures. Although advanced computer hardware technology has considerably improved the computational performance ...
Modeling and Analysis of Onboard Refueling Vapor Evaporative Emission for Hybrid Electric Vehicle
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Fuel vapor-containment system (FVS) is a kind of vapor recovery device in the hybrid electric vehicle (HEV) and has a great advantage on the fuel vapor recovery. The general refueling progress of the FVS has been studied ...
Efficient Numerical Solution Method for Large Deformation Analyses of Structures Based on the Updated Lagrangian Formulation
Publisher: ASCE
Abstract: Large deformation analyses of structures are of great importance to the evaluation of structural performance under extreme environmental loads, but currently available methods are time-consuming because of the requirement ...
Experimental and Analytical Lateral Performance of Shear Walls with Variable Phases of Deformation
Publisher: ASCE
Abstract: Conventional reinforced concrete shear walls are widely used as primary lateral-force-resisting members owing to their high in-plane stiffness. However, some of these walls have been severely damaged in past earthquakes ...
Efficient Multilayered Shell Model and Its Application in Large Reinforced Concrete Structures
Publisher: ASCE
Abstract: When using the traditional multilayered shell element to perform material nonlinearity analysis of large structures, the computation time is often overwhelming because of the repeated updating and factorization of the ...
Woodbury Approximation Method for Structural Nonlinear Analysis
Publisher: American Society of Civil Engineers
Abstract: As an exact method, the Woodbury formula is used to solve local material nonlinearity problems in structural analysis, in which the calculation and factorization of the global stiffness matrix are avoidable compared to the ...
Improved Woodbury Solution Method for Nonlinear Analysis with High-Rank Modifications Based on a Sparse Approximation Approach
Publisher: American Society of Civil Engineers
Abstract: In mathematics, the Woodbury formula is an efficient solution method for low-rank modifications that has been utilized by many researchers for the implementation of structural analyses with local material nonlinearity. The ...
Framework for Seismic Risk Analysis of Engineering Structures Considering the Coupling Damage from Multienvironmental Factors
Publisher: American Society of Civil Engineers
Abstract: Many structures service in complex environments where multiple environmental factors (MEFs) coexist, and the coupling effects of MEFs often aggravate structural damage, thus increasing the risk of structural collapse and ...
Mechanical Properties and Mechanisms of Polyacrylamide-Modified Granulated Blast Furnace Slag–Based Geopolymer
Publisher: American Society of Civil Engineers
Abstract: Geopolymers are an environmentally friendly cementitious materials, which have the advantages of high strength, good durability, and stability; however, geopolymers also have some limitations, such as strong brittleness ...
Implementation of Rayleigh Damping for Local Nonlinear Dynamic Analysis Based on a Matrix Perturbation Approach
Publisher: ASCE
Abstract: Nonlinear analyses of structures under dynamic excitation are becoming increasingly important in structural design and performance evaluation, but large computational effort is the main factor that limits their application. ...