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RISAdaptive Actuator Failure and Structural Damage Compensation of NASA Generic Transport Model
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper studies design and evaluation of a multivariable model reference adaptive control (MRAC) scheme for aircraft systems under simultaneous actuator failures and structural damage. A key design condition–system ...
Load-Carrying Mechanism to Resist Progressive Collapse of RC Buildings
Publisher: American Society of Civil Engineers
Abstract: The slew of high profile engineering calamities in the past decade has demonstrated the disastrous consequence of progressive collapse. However, the low probability of such events actually occurring means it is uneconomical ...
Dynamic Characteristics Analysis and Finite Element Simulation of Steel–BFPC Machine Tool Joint Surface
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The dynamic performance of the steel–Basalt fiber polymer concrete (BFPC) machine tool joint surface (referred to as the joint surface) has a significant impact on the overall BFPC machine tool performance; however, its ...
Peak Shear Strength of Flanged Reinforced Concrete Squat Walls
Publisher: ASCE
Abstract: Flanged RC squat walls, defined by a shear span ratio less than two, are widely used in conventional buildings and nuclear facilities. However, due to the mechanical defects and insufficient parameters included, equations ...
An Average Flow Model Considering Non-Newtonian Characteristics With Application to Grease Behavior
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, the application scope of the average flow model is extended to grease lubrication considering the non-Newtonian characteristics. First, flow factor expressions applicable to both Newtonian fluids and ...
Estimation of Missing Stress Data for Structural Health Monitoring Based on Multitask Learning and Multisource Information
Publisher: American Society of Civil Engineers
Abstract: AbstractStrain monitoring is of importance for structural health monitoring (SHM). The stress
responses obtained by strain sensors play an important role in structural damage detection
and health status assessment. However, ...
Reducing Axial Temperature Gradient in Thick Wall During Local Heat Treatment of Pressure Vessels With Electromagnetic Induction
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Post-welding heat treatment (PWHT) is a key manufacturing procedure of thick-walled pressure vessel. Local PWHT is thereby needed due to large size of pressure vessels. Different from module furnace heating and resistance ...
Recovery of Long-Term Missing Wind Velocity Data for Structural Health Monitoring Based on Deep Learning and Meteorological Databases
Publisher: American Society of Civil Engineers
Abstract: Wind environment monitoring is of vital importance for structural health monitoring (SHM). However, wind velocity records in SHM systems sometimes suffer from data loss owing to monitoring equipment faults, transmission ...
Multifactor Coupling Wear Behaviors of Pipeline Inspection Gauge Cups: Experimental Tests and Simulation Analyses
Publisher: American Society of Civil Engineers
Abstract: In long-distance inspection operations of oil and gas pipelines, the severe wear of the pipeline inspection gauge (PIG) cups will cause derivation of the mandrel from the pipe axis, which is detrimental to the detection ...
Validation Tests for Discrete Element Codes Using Single-Contact Systems
Publisher: American Society of Civil Engineers
Abstract: In recent years, the discrete element method (DEM) has become widely used to solve a number of geological and geophysical problems. The basic idea of this method is to consider rock-soil bodies, in their discontinuous ...