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RISIntroduction to the 54th Karl Terzaghi Lecture
Publisher: ASCE
Abstract: Dr. Rudolph Bonaparte delivered the 54th Terzaghi Lecture on March 8th, 2018, at IFCEE 2018 held in Orlando, Florida. This introduction briefly reviews Dr. Bonaparte’s contributions to geotechnical engineering and discusses ...
Introduction to the 21st Ralph B. Peck Award Lecture
Publisher: ASCE
Abstract: Dr. Anand Puppala delivered the 21st Ralph B. Peck Award Lecture on February 28, 2020, at the ASCE GeoCongress event held in Minneapolis, Minnesota. This introduction briefly reviews Dr. Puppala’s contributions to geotechnical ...
The Importance of the Heat Capacity of Lubricants With Nanoparticles in the Static Behavior of Journal Bearings
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Nanoparticle additives increase the viscosity of lubricants, thus being an interesting solution for improving the load carrying capacity of hydrodynamic bearings. But, nanoparticles also change the thermal properties of ...
Comparison Between a Meshless Method and the Finite Difference Method for Solving the Reynolds Equation in Finite Bearings
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Meshless methods are an alternative procedure for solving partial differential equations in opposition to the numerical methods that require structured meshes. In this work, the meshless method with radial basis functions ...
Surfing Waves from the Ocean to the River with the Serre-Green-Naghdi Equations
Publisher: ASCE
Abstract: A wide variety of hydraulic and coastal flows can be modeled using shallow water theories, where the so-called Serre-Green-Naghdi (SGN) equations constitute a fully nonlinear and weakly dispersive wave theory that has been ...
Optimization of Band Gaps in Rotors With Longitudinal Periodicity and Quasi-Periodicity
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Structures with inertia periodicity present the phenomenon of band gap formation, i.e., the appearance of regions in the frequency spectrum with a higher modal spacing and lower vibration response. Rotating machines can ...
The Band Gap Formation in Rotors With Longitudinal Periodicity and Quasi-Periodicity
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Modal spacing (band gaps) in the frequency spectrum of rotating machines can be imposed by geometric periodicity. By designing the rotor with a geometry that repeats periodically, we can impose to the vibration response ...
Load and Resistance Factors for Internal Stability Checks of Mechanically Stabilized Earth Walls
Publisher: American Society of Civil Engineers
Abstract: This paper focuses on the development of load and resistance factor design (LRFD) for checks of the internal stability of mechanically stabilized earth (MSE) walls reinforced with steel strips. The internal stability of ...
Load and Resistance Factor Design of Drilled Shafts in Sand
Publisher: American Society of Civil Engineers
Abstract: Resistance factors are developed for drilled shafts for a design method based on soil variables. The uncertainties associated with the design variables and equations were systematically quantified, and Monte-Carlo simulations ...
Reliability Analysis of Load and Resistance Factor Design of Slopes
Publisher: American Society of Civil Engineers
Abstract: A logical framework is developed for the LRFD of slopes based on reliability analysis. The LRFD of slopes with resistance factors developed in this manner ensures that a target probability of slope failure is not exceeded. ...