Digital Simulation of Wind Load Effects

by Ahsan Kareem, Univ of Notre Dame, Notre Dame, United States,
Yousun Li, Univ of Notre Dame, Notre Dame, United States,



Document Type: Proceeding Paper

Part of: Probabilistic Mechanics and Structural and Geotechnical Reliability

Abstract: The time domain solution of the equations of motion of structures subjected to a stochastic wind field is often obtained by a step-by-step integration approach. The loading is often described by simulated time histories of the aerodynamic force. In this paper different simulation schemes that are based on wave superposition, linear filtering and recursive approaches are discussed, e.g., summation of wave form, state space modelling, auto regressive and moving averages, and the Karhunen Loeve expansion.

Subject Headings: Wind loads | Load factors | Equations of motion | Computer models | Stochastic processes | History | Aerodynamics

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