相场模拟金属镍晶粒生长，matlab源程序(Phase field simulation of metal nickel grain growth)

实现动态数组构建，初值快速赋值，vtk文件输出，可以在paraview 4.x 版本上观看模拟结果，模型参考文献： Palmieri B, Bresler Y, Wirtz D, Grant M (2015) Multiple scale model for cell migration in monolayers: elastic mismatch between cells enhances motility.(a example for phase-field in C++,for le