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RISProbabilistic Study on Failure of Large Dams
Publisher: American Society of Civil Engineers
Abstract: The analysis of dam failures allows considerations about their safety and can influence new design and inspection criteria. Historical data about dam failures are used to relate failure rate to age or decade of construction. ...
Perspective: Unsteady Wing Theory—The Kármán/Sears Legacy
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The aerodynamic analysis of wings and their vortex wakes is discussed from a perspective of its relation to the 1938 work of Kármán and Sears. The key concepts from this early paper on ...
Common Pathologies in Composite Adobe and Reinforced Concrete Constructions
Publisher: American Society of Civil Engineers
Abstract: Adobe construction is an important part of the built heritage in the Central Region of Portugal. The protection and rehabilitation of buildings of this type is becoming of increasing interest. In-depth knowledge will enable ...
Simulation Study of Advanced Variable Displacement Engine Coupled to Power-Split Hydraulic Hybrid Powertrain
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The simulation based investigation of the variable displacement engine is motivated by a desire to enable unthrottled operation at part load, and hence eliminate pumping losses. The mechanism ...
Effect of Strain History and Mixture Proportions on Early-Age Cement Paste and Mortar Stress Relaxation
Publisher: ASCE
Abstract: The influence of sand particles, aging, and water–cement (w/c) ratio on the viscoelastic relaxation modulus of cement paste and mortars was measured at early ages (1–28 days). Furthermore, the relaxation modulus ...
A Parametric Study on the Baumgarte Stabilization Method for Forward Dynamics of Constrained Multibody Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents and discusses the results obtained from a parametric study on the Baumgarte stabilization method for forward dynamics of constrained multibody systems. The main purpose of ...
Seismic Fragility of a Highway Bridge in Quebec
Publisher: American Society of Civil Engineers
Abstract: The seismic vulnerability of the Chemin des Dalles Bridge over Highway 55 located in Trois-Rivières (Quebec, Canada) was evaluated through fragility analysis using field- and laboratory-validated models. This approach ...
Influence of Variable Geometry Compressor on Transient Performance of Counter-Rotating Open Rotor Engines
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This work describes a methodology used for counter-rotating (CR) propellers performance estimation. The method is implemented in an in-house program for gas turbine performance prediction, making possible the simulation ...
Using Social Media for Economic Disaster Evaluation: A Systematic Literature Review and Real Case Application
Publisher: ASCE
Abstract: We propose the usage of social media as the primary way to collect and consolidate disaster data to provide a less costly and faster economic evaluation process. Through a systematic literature review (SLR) of over 406 ...
A Propeller Model for Steady-State and Transient Performance Prediction of Turboprop and Counter-Rotating Open Rotor Engines
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper describes a methodology used for propeller performance estimation, which was implemented in an in-house modular program for gas turbine performance prediction. A model based on subsonic generic propeller maps ...