Dear Professor Sired

[FDDZG]

Dear Professor Sierd, my name is Zhu Jialin from Lanzhou University of Technology. I am a master majoring in wind-blown sand fluid mechanics. Recently I have been using your Aeolis program to calculate some content. Now I have encountered some problems and would like to consult you. I configured a two-dimensional environment in a calculation example, but there was no result in the final calculation result of bed change zb. Here, I sincerely ask you what caused this problem. The configuration file is in the compressed package file. Sorry to bother you. Finally, I wish you a smooth work and a happy life.
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