枝晶生长的傅里叶谱相场模拟

Fourier Spectral Phase Field Simulation of Dendritic Crystal Growth

用傅里叶谱方法求解相场模型,并运用该方法对聚合物结晶过程中出现的枝晶生长形态进行数值模拟。通过数值模拟与已有实验结果对比,模拟结果与实验结果基本吻合,验证了傅里叶谱方法求解相场模型的可行性。与有限差分法对比,傅里叶谱方法的运用,简化了对某些运算算子的演化。

Fourier spectral method is used to solve the phase field model,the dendritic growth morphology is numerically simulated in the process of polymer crystallization.By comparing the numerical simulation with the existing experimental results,the results of simulation and experiment are in good agreement,and the feasibility of solving the phase field model by fourier spectral method is verified.Comparing with the finite difference method,the application of fourier spectral method simplifies the evolution of some operatorst.