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Aways get "Undefined value found in the equation residual vector." error

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Hi, I'm a new user to Comsol. I build a model to estimate the bending loss of a optical waveguide. It's a 3d model. but after I built it, the model doesn't work. It always pops up a dialog says "Undefined value found in the equation residual vector.", and "there is undefined value ..." I am very confused what is wrong with my model. I have uploaded my file. Hope you could help me with it. Thank you very much.


0 Replies Last Post 19 apr 2012, 13:57 GMT-4
COMSOL Moderator

Hello Yaoguang Ma

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