[求助]简单微环结构仿真不收敛

微环仿真 ring_resonator_fdtd.rar (182 K) 下载次数:3 仿真后文档显示： v_s(  
98% complete. Max time remaining: 7 mins, 37 secs. Auto Shutoff: 0.00023739 *|F ;An.N^  
99% complete. Max time remaining: 3 mins, 48 secs. Auto Shutoff: 0.000240565 'nR'o /!  
Completed 129449 iterations, or 3.99999e-012s of Simulation Time }0(.HMiGj  
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请问为何会不收敛 .. Ce%fz~*b  
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