Higher-order spectral representation method: New algorithmic framework for simulating multi-dimensional non-Gaussian random physical fields

X Li, S Li, Y Jiang, Q Yang, Y Zou, Y Su… - Probabilistic Engineering …, 2024 - Elsevier
This study derives a novel higher-order spectral representation method (HOSRM) to
represent and simulate multi-dimensional fourth-order non-Gaussian random physical fields …

Research on the Karhunen–Loève transform method and its application to hull form optimization

H Chang, C Wang, Z Liu, B Feng, C Zhan… - Journal of Marine …, 2023 - mdpi.com
Hull form optimization becomes prone to the curse of dimensionality as the number of
design variables increases. The traditional sensitivity analysis method requires massive …

A novel technique based on Bernoulli wavelets for numerical solutions of two-dimensional Fredholm integral equation of second kind

S Saha Ray, S Behera - Engineering Computations, 2019 - emerald.com
Purpose A novel technique based on Bernoulli wavelets has been proposed to solve two-
dimensional Fredholm integral equation of second kind. Bernoulli wavelets have been …

Tensor train-Karhunen-Loève expansion: New theoretical and algorithmic frameworks for representing general non-Gaussian random fields

LZ Bu, W Zhao, W Wang - Computer Methods in Applied Mechanics and …, 2020 - Elsevier
The goals of this work are two-fold: firstly, to propose a new theoretical framework for
representing random fields on a large class of multidimensional physical domain in the …

Tensor train-Karhunen-Lo\eve expansion for continuous-indexed random fields using higher-order cumulant functions

LZ Bu, W Zhao, W Wang - arxiv preprint arxiv:1907.06304, 2019 - arxiv.org
The goals of this work are two-fold: firstly, to propose a new theoretical framework for
representing random fields on a large class of multidimensional geometrical domain in the …