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Search Publications by: DongHun Yeo (Fed)

Displaying 51 - 58 of 58

Numerical Simulation of Along-Wind Loading on Small Structures Using a Simplified Wind Flow Model

November 10, 2010

Author(s)

Dong Hun Yeo

Aerodynamic measurements of wind-induced pressures on structures are required for the codifi-cation of design wind loads. However, the reliable measurement of pressures on low-rise build-ings in the atmospheric boundary layer (ABL) flow remains a challenge

Database-Assisted Design for Wind: Veering Effects on High-Rise Structures

August 15, 2010

Author(s)

Dong Hun Yeo, Emil Simiu

Atmospheric boundary layer winds experience two types of effects due to friction at the ground surface. One effect is the increase of the wind speeds with height above the surface. The second effect, called the Ekman layer effect, entails veering -- the

Database-Assisted Design for Wind: Concepts, Software, and Example for High-Rise Reinforced Concrete Structures

July 23, 2010

Author(s)

Dong Hun Yeo

Time-domain analyses of wind effects on high-rise structures have been made possible in recent years by advances in wind pressure measurement and computer technology. Time domain solutions not only provide full phase information on structural responses to

Wind and Structural Engineering: Ensuring an Effective and Transparent Division of Responsibilities

June 30, 2010

Author(s)

Emil Simiu, Dong Hun Yeo

To help assure safe performance under loads that may occur during a structure s life, structural design practices are regulated by code provisions, and the design of the structure must be approved by a qualified public official. For the design and approval

Aerodynamic Effects of Strake Patterns on Flow around a Yawed Circular Cylinder

May 24, 2010

Author(s)

Dong Hun Yeo, Nicholas P. Jones

Strakes on a circular cylinder are often used for mitigation of cylinder vibrations and have been applied to reduction of large-amplitude vibrations of a stay cable in cable-stayed bridges, which occur under wind oblique to a cable with or without rainfall

Database-Assisted Design for Wind Effects on High-Rise Structures and Its Potential for Assessment of CFD Simulation

May 24, 2010

Author(s)

Dong Hun Yeo, Emil Simiu

Efforts are being made to perform CFD-based estimates of wind effects on tall buildings that are sufficiently reliable to allow their use in lieu of estimates based on wind tunnel measurements. For practical purposes the assessment of the quality of the

TESTING OF RESIDENTIAL HOMES UNDER WIND LOADS

April 7, 2010

Author(s)

Emil Simiu, Girma Bitsuamlak, Arindam Chowdury, Ruilong Li, Amanuel Tecle, Dong Hun Yeo

Aerodynamic testing of low-rise structures is fraught with difficulties that can be the cause of large measurement errors resulting in the underestimation of aerodynamic pressures by a factor of as much as two. The errors are due in large part to the

ASSESSMENT OF A METHOD FOR ESTIMATING PEAKS OF STATIONARY RANDOM PROCESSES BY USING EXTREME VALUE TYPE I DISTRIBUTIONS

Author(s)

Dat Duthinh, Dong Hun Yeo, Emil Simiu

The purpose of this note is to assess a method based on the Extreme Value Type I distribution currently employed in wind engineering practice to estimate stationary time series peaks. The note considers the interesting case of time series with Gaussian

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