e-Analysis of High-Rise Buildings Subjected to Wind Loads

Kwon, Dae Kun; Kijewski-Correa, Tracy; Kareem, Ahsan

doi:10.1061/(asce)0733-9445(2008)134:7(1139)

Cited by 61 publications

(26 citation statements)

References 27 publications

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“…To overcome the last step in NALD v. 1.0 involving off-line calculations, a more advanced DED framework for estimating the wind-induced response of tall buildings has been proposed with the help of recent developments in IT (Kwon et al, 2008). This new paradigm offers an attractive solution with a concept of a cyber-based online on-the-fly analysis/design via user-friendly web interfaces.…”

Section: Ded Frameworkmentioning

confidence: 99%

“…NALD ver. 2.0 (Kwon et al, 2005(Kwon et al, , 2008 has integrated the latest advances in data management and mining for interactive queries of aerodynamic load data and an integrated web-based analysis framework for determining the resulting maximum displacements, base moments, and equivalent static wind loads (ESWL) for survivability and peak/root mean square (RMS) accelerations for serviceability (habitability). The key feature of NALD ver.…”

Section: Ded Frameworkmentioning

confidence: 99%

“…In addition, the DEDM-HR embeds a novel feature that allows the employment of wind characteristics defined differently between codes/standards to supplement the specifications of a specific code or standard, which in many cases lacks guidance on the acrosswind and torsional response estimates ( Figure 5B). Currently, the DEDM-HR is associated with two databases: one is the NatHaz database from the NatHaz Modeling Laboratory, University of Notre Dame, USA, which is also the one used in the NALD Kwon et al, 2005Kwon et al, , 2008, and the other is the Tamkang University database from the Wind Engineering Research Center, Tamkang University, Taiwan (Cheng and Wang, 2004).…”

Section: Database-enabled Design Module For High-risementioning

confidence: 99%

“…On the other hand, the synchronous pressure measurement (SPM) technique in wind tunnel test is to synchronously measure the pressure fields using a test model with quite a number of pressure taps distributed at a model surface, which has the advantage to directly assess local and global aerodynamic loads acting on the structure without specific assumptions. Thus, the technique offers the direct estimation of the generalized forces including any coupled effects, non-linear and higher mode shapes (e.g., Kwon et al, 2005Kwon et al, , 2008Cluni et al, 2011). A drawback concerning the SMP technique is that a large number of pressure taps are required to accurately estimate wind loads, which may cause an issue of manufacturing test models, especially for complex geometries to locate pressure taps.…”

Section: Database-enabled Design Module For High-rise Building With Pmentioning

confidence: 99%

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A Cyber-Based Data-Enabled Virtual Organization for Wind Load Effects on Civil Infrastructures: VORTEX-Winds

Kareem

Kwon

2017

Front. Built Environ.

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Despite many advances in the area of wind effects on structures in recent decades, research has been traditionally conducted within limited resources scattered geographically. With the trend toward increasingly complex designs of civil infrastructure combined with the escalating potential for losses by extreme wind events, a new culture of research needs to be established based on innovative and collaborative solutions for better management of the impact of extreme wind events. To address this change, this paper presents a new paradigm of a multiscale cyber-based laboratory framework for the analysis/ design, modeling, and simulation of wind load effects based on an ongoing collaborative cyberinfrastructure-based platform, Virtual Organization for Reducing the Toll of EXtreme Winds (VORTEX-Winds, https://vortex-winds.org), and discusses its current status since its inception in 2007 and ongoing developments. This collaborative framework as it evolves would enable a paradigm shift by offering advanced cyber-enabled modules (e-modules) for accelerating advances in research and education to achieve improved understanding and better modeling of wind effects on structures. Accordingly, it will enhance wind community's analysis and design capabilities to address next-gener ation challenges posed by wind. Through empowering those without computational or experimental resources, the e-modules will encompass a large set of subject areas and topics categorized as Database-enabled design, Full-scale/Field site data repository, Statistical/Stochastic toolboxes, Tele-experimentation, Uncertainty modeling, Damage assessment, and Computational platforms. This prototype will allow access to the individual e-module, while it is envisaged that next level of development in VORTEX-Winds will have the capability for an automated and integrated analysis/design through a nexus of e-modules. A highlight of the e-modules currently completed or in development is presented not only to show the efficacy of the framework to enhance and supplement the limitation of traditional off-line approaches but also to describe architecture and features of e-modules to promote additional cyber-enabled data-driven developments in the field.

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Section: Ded Frameworkmentioning

confidence: 99%

Section: Ded Frameworkmentioning

confidence: 99%

Section: Database-enabled Design Module For High-risementioning

confidence: 99%

Section: Database-enabled Design Module For High-rise Building With Pmentioning

confidence: 99%

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A Cyber-Based Data-Enabled Virtual Organization for Wind Load Effects on Civil Infrastructures: VORTEX-Winds

Kareem

Kwon

2017

Front. Built Environ.

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“…In order to facilitate the use of stochastic simulation in the design office, the NatHaz Modeling Laboratory has developed a web-based simulation portal, which would allow simulation of multi-variate Gaussian random processes with prescribed spectral characteristics. An example of the portal is give in Figure 1, which would be available soon at http://www.nd.edu/~nathaz (Kwon et al 2005). …”

Section: Introductionmentioning

confidence: 99%

Numerical simulation of wind effects: A probabilistic perspective

Kareem

2008

Journal of Wind Engineering and Industrial Aerodynamics

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130

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Numerical simulations of wind loads and their effects are critical in the design of structures to ensure their safety under winds. The simulations range from generation of time histories of wind velocity, pressure and force fluctuations to structural response and assessment of attendant functionality and safety under service and design loads, respectively. Typically these schemes employ Monte Carlo based approaches that encompass model based simulations or information derived from observed data. The scope of simulations spans uni-variate to multivariate processes; uni-dimensional to multi-dimensional fields; Gaussian to non-Gaussian; stationary to non-stationary; conditional and unconditional cases. In order to accomplish these tasks, methods based on the time, frequency, or time-frequency domains are employed. This paper summarizes a historical perspective, recent developments and future challenges. Also included in the discussion are computational tools employed for data analysis, response analysis and its management, and prediction. Examples are presented to illustrate some of the topics discussed.

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Equalization of Jetting Performance

Baek

Hong

2012

Advanced Micro and Nanosystems

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e-Analysis of High-Rise Buildings Subjected to Wind Loads

Cited by 61 publications

References 27 publications

A Cyber-Based Data-Enabled Virtual Organization for Wind Load Effects on Civil Infrastructures: VORTEX-Winds

A Cyber-Based Data-Enabled Virtual Organization for Wind Load Effects on Civil Infrastructures: VORTEX-Winds

Numerical simulation of wind effects: A probabilistic perspective

Equalization of Jetting Performance

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