线性叠加 海浪，用于模拟海浪的起伏光照等，是一个较好的方针软件-Linear superposition of waves, the ups and downs of the waves used to simulate the light and so on, is a better approach to software

脉动风荷载的数值模拟 谐波叠加法 离散谱逼近目标函数-Numerical Simulation of fluctuating wind load harmonic superposition method Discrete Spectral Approximation objective function