[建模]cst cpw 仿真报错：Generalized port mode solver setup failed.

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一个很简单的cpw传输线采用cst2021的时域求解器仿真报错，提示如下 oopTo51,a  
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Matrix computation (PBA) kS/Zb3  
    [PBA version: default] XH1so1h  
More... ) ;-AT^  
Using generalized port mode solver. Gv?3}8Wp  
Port mode solver: Detected dispersive material(s) at port 1, 2.  5t:4%  
Using a constant approximation of dispersive material(s) at 26 GHz and neglecting loss terms.  More... k,X` }AJ6  
Absorbing 1 additional mode(s) at port 1. 67/hhO  
Absorbing 1 additional mode(s) at port 2. qGl+KI
 
Some (Q)TEM modes are not defined at port 1 and will automatically be absorbed in time domain calculation. This possibly leads to an inaccurate energy balance. Consider to increase the number of modes. More... {LR?#.  
Some (Q)TEM modes are not defined at port 2 and will automatically be absorbed in time domain calculation. This possibly leads to an inaccurate energy balance. Consider to increase the number of modes. More... ~Jp\'P7*  
Generalized port mode so .. DK*2d_  
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