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Help me to solve this error

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Failed to find a solution. Singular matrix.

There are 5896 void equations (empty rows in matrix) for the variable comp1.Az. at coordinates: (0.0541453,0.02559), (0.054005,0.0258867), (0.048879,0.0346035), (0.0486893,0.0348713), (0.0538274,0.0262506), ... and similarly for the degrees of freedom (empty columns in matrix). Returned solution is not converged. Not all parameter steps returned.


3 Replies Last Post 2020年6月15日 GMT-4 08:56
Jeff Hiller COMSOL Employee

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Posted: 4 years ago 2020年6月12日 GMT-4 09:22

Hello Sundaramahalingam,

Please consider posting your mph file. It's near impossible to help you without it.

Best,

Jeff

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Jeff Hiller
Hello Sundaramahalingam, Please consider posting your mph file. It's near impossible to help you without it. Best, Jeff

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Posted: 4 years ago 2020年6月13日 GMT-4 06:00
Updated: 4 years ago 2020年6月15日 GMT-4 00:11

Dear Jeff, Thanks for your reply. Pl find the attached mph file. Help me to find my mistakes and suggest me on how to choose suitable mesh.

Dear Jeff, Thanks for your reply. Pl find the attached mph file. Help me to find my mistakes and suggest me on how to choose suitable mesh.


Jeff Hiller COMSOL Employee

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Posted: 4 years ago 2020年6月15日 GMT-4 08:56

Please post your mph file, not mphbin.

Best,

Jeff

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Jeff Hiller
Please post your mph file, not mphbin. Best, Jeff

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