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RISApplication of Turbulence Models to Separated Flow Over Rough Surfaces
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Principal results of classical experiments on the effects of sandgrain roughness are briefly reviewed, along with various models that have been proposed to account for these effects in numerical ...
Dynamic Load Analysis of Spur Gears Using a New Tooth Profile
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A novel method was presented by the authors to minimize the static transmission error using cubic splines (C.S.) for gear tooth profile. A reduction in the transmission error is expected to ...
Dynamics of Disconnected Risers Under Rigid and Compliant Hang-Off
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An efficient solution scheme to simulate the nonlinear motions of hanging risers based on an adaptive nonuniform grid finite difference method and an implicit time integration scheme is presented. ...
Numerical Model of Turbulent Flow over Sand Dune
Publisher: American Society of Civil Engineers
Abstract: A two-dimensional numerical model, based on solution of the Reynolds-averaged Navier-Stokes equations and the
Integrating Runoff Generation and Flow Routing in Susquehanna River Basin to Characterize Key Hydrologic Processes Contributing to Maximum Annual Flood Events
Publisher: American Society of Civil Engineers
Abstract: The Susquehanna River basin (SRB) is the largest U.S. watershed (71,250 km2) draining to the Atlantic Coast. It encompasses portions of New York, Pennsylvania, and Maryland. Given that annual maximum flood events commonly ...
Laminar Flow Over Wavy Walls
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The boundary layer over a wavy wall and fully-developed flow in a duct with a wavy wall are considered. Numerical solutions of the Navier-Stokes equations have been obtained to provide insights ...
Turbulent Flow in a Channel With a Wavy Wall
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A numerical method for the solution of the Reynolds-averaged Navier-Stokes equations, together with a two-layer turbulence model, has been used to describe steady flow in a two-dimensional channel ...
Behavior of Intermediate Transverse Stiffeners Attached on Web Panels
Publisher: American Society of Civil Engineers
Abstract: Current AASHTO and AISC specifications require that an intermediate transverse stiffener attached on the shear web panel be designed not only to have a proper bending rigidity to meet the simply supported condition when ...
New Design Rule for Intermediate Transverse Stiffeners Attached on Web Panels
Publisher: American Society of Civil Engineers
Abstract: The equation for the required area of the intermediate transverse stiffener stipulated in the current AASHTO and AISC specifications was derived under the assumption that the transverse stiffener is subjected to an axial ...
Analysis of Shear Lag Anomaly in Box Girders
Publisher: American Society of Civil Engineers
Abstract: In box girders with wide flanges, an uneven flange stress distribution (the flexural normal stress is greater at the edges than that at the center of the flange), so-called shear lag (or positive shear lag), may occur ...