特异风湍流场模拟的谱表示方法研究进展与思考  

Research progress and considerations on spectral representation methods for non-stationary turbulent wind fields of exceptional winds

作　　者：徐梓栋 王浩[1] 赵恺雍 周锐[1] 林禹轩 XU Zidong;WANG Hao;ZHAO Kaiyong;ZHOU Rui;LIN Yuxuan(Key Laboratory of Concrete and Prestressed Concrete Structures of Ministry of Education,Southeast University,Nanjing 211189,China)

机构地区：[1]东南大学混凝土及预应力混凝土结构教育部重点实验室,南京211189

出　　处：《东南大学学报(自然科学版)》2025年第1期203-212,共10页Journal of Southeast University:Natural Science Edition

基　　金：国家自然科学基金资助项目(52208481,52338011);中国博士后科学基金资助项目(2023M730581);江苏省卓越博士后计划资助项目(2023ZB674);东南大学基本科研业务费资助项目(2242024k30036)。

摘　　要：基于国内外在湍流随机场模拟领域取得的研究成果,对特异风非平稳湍流随机场谱表示模拟方法的研究进展进行综述,归纳总结经典的模拟算法增效策略。重点从提升算法模拟效率与降低计算机内存开销两方面阐述相关研究进展,讨论当前研究中面临的困难与挑战,并对未来研究方向进行展望。研究发现,当前模拟算法研究的关键在于计算效率与精度的有效平衡,其增效手段主要包括FFT技术、Cholesky分解改进策略、矩阵降维解耦技术和随机降维。未来重点研究方向是考虑更为真实复杂的风场特性开展湍流场高效模拟。Based on domestic and international research achievements in generating turbulent stochastic fields,the research progress in the simulation method for non-stationary turbulent stochastic fields of exceptional winds are reviewed and its classical enhancement strategies are summarized.The research progress is primarily discussed from two aspects:improving algorithmic simulation efficiency and reducing computational memory usage.The challenges and difficulties in current studies are discussed,and future research directions are pro-posed.The study reveals that the key challenges in current simulation algorithms research lie in effectively bal-ancing computational efficiency and accuracy.The main methods for improving efficiency include fast Fourier transform(FFT)techniques,Cholesky decomposition enhancement strategies,matrix dimensionality reduc-tion and decoupling methods,and stochastic dimensionality reduction.Future research will focus on the effi-cient simulation of turbulence fields,considering more realistic and complex wind field characteristics.

关 键 词：特异风 非平稳 谱表示法 湍流风场模拟 研究进展 

分 类 号：P458.124[天文地球—大气科学及气象学]