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A Noniterative Approach for Simulating Multivariate NonGaussian#br#
Fluctuating Wind Pressure |
LI Jinhua1,LI Chunxiang2,JIANG Lei2,DENG Ying2 |
1. Department of Civil Engineering, East China Jiao Tong University, Nanchang 330013, China;
2. Department of Civil Engineering, Shanghai University, Shanghai 200444, China |
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Abstract Based on the correlativity of multivariate nonGaussian random processes, the proposed noniterative algorithm used for the univariate nonGaussian stochastic processes is expanded to simulate the multivariate nonGaussian processes. The coherency functions of underlying multivariate nonGaussian processes are dealt with by resorting to the correlativity of multivariate Gaussian processes, a noniteration based algorithm is developed for simulating the multivariate nonGaussian processes. The numerical simulations of the multivariate nonGaussian fluctuating wind pressure indicate that the noniteration based algorithms can effectively simulate the multivariate nonGaussian processes with low, middle, and high skewnesses, respectively.
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Published: 03 April 2017
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