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RISEfficient Nonstationary Stochastic Response Analysis for Linear and Nonlinear Structures by FFT
Publisher: American Society of Civil Engineers
Abstract: Based on the fast Fourier transform (FFT), an efficient and accurate algorithm was developed for improving the computational efficiency of structural responses under nonstationary stochastic excitations. In this method, ...
Wind Velocity Field Simulation Based on Enhanced Closed-Form Solution of Cholesky Decomposition
Publisher: ASCE
Abstract: The spectral matrix decomposition is a significant task for a wind velocity field simulation. However, the decomposition requires significant computational time and memory for large-scale structures with a large number of ...
Novel Hidden Pounding Tuned Mass Damper for Vibration Control of a Cantilevered Traffic Signal Structure
Publisher: ASCE
Abstract: Traffic signal structures are very susceptible to wind-induced vibration because of their slenderness and low damping. In the wind, the vertical vibration is usually dominant, which affects driving safety and structural ...
Displacement of Natural Ventilation in an Enclosure With a Convective/Radiative Heat Source and Nonadiabatic Envelopes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper studies the real case of naturally ventilated space with a convective/radiative heat source and nonadiabatic envelopes. The real envelopes and heat source are introduced into a simple ...
Fast Convolution Integration–Based Nonstationary Response Analysis of Linear and Nonlinear Structures with Nonproportional Damping
Publisher: American Society of Civil Engineers
Abstract: The frequency domain approach (FDA) based on the power spectral description of input and output has been widely applied in the random vibration analysis of structures because of its high efficiency and distinct relationship ...
Innovative Treatment of Crack Defects and Skid Resistant Deficiencies in Old Asphalt Pavement Using a Prefabricated Flexible Ultrathin Overlay
Publisher: ASCE
Abstract: This study aims to develop a prefabricated flexible ultrathin overlay that can quickly and effectively repair cracks, particularly reticulation cracks, in old asphalt pavements while improving skid resistance. The overlay ...
Quantification of the Effects of the Clean Fracturing Fluid of Mixed Anion-Zwitterionic VES on Methane Sorption Behavior in Bituminous and Anthracite Coals
Publisher: American Society of Civil Engineers
Abstract: Fracturing fluid has been a controversial topic attracting significant attention from the public for its applications in oil/gas recovery, but its use can lead to irreversible damage to the environment. Therefore, clean ...
Characterization of Physical and Chemical Structures of Calcite-Bearing Coal under Coupled Acidization and Water Intrusion
Publisher: American Society of Civil Engineers
Abstract: Mineral filling is very common in coal seams and significantly affects the pore structure and permeability of coal. Calcite is the main component of the contained minerals. According to chemical theory, calcite can be ...
A Zonal Model for Large Enclosures With Combined Stratification Cooling and Natural Ventilation: Part 1—Model Generation and its Procedure
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper describes a combined system of stratificated air conditioning and natural ventilation for large enclosures, which uses stratificated air conditioning to cool the occupied part of a ...