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Failed to find consistent initial values in Copper Deposition model

Posted 12 oct. 2010, 06:10 UTC−4 2 Replies

sedtanann
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Hello,

I just started to use comsol for simulation an electroplating process

and to understand the process I tried out Electrochemical Copper Deposition model

after i computed it shown as an attached file

then i see an error in the problem function that

Failed to find consistent initial values.
Singular matrix

could anyone explain about this?

Thank you very much,
Sedtanan

--
Pardon for my bad english

**i attach a file that i followed the step in pdf file on www.comsol.com/showroom/documentation/model/2112/ (ver 4.0) also thanks again

Attachments:

2 Replies Last Post 18 oct. 2010, 04:32 UTC−4
sedtanann
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Posted: 1 decade ago 18 oct. 2010, 03:28 UTC−4
is there anybody know this

or any suggestion to get understand this error?


--
Pardon for my bad english
is there anybody know this or any suggestion to get understand this error? -- Pardon for my bad english
Ivar KJELBERG COMSOL Multiphysics(r) fan, retired, former "Senior Expert" at CSEM SA (CH)
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Posted: 1 decade ago 18 oct. 2010, 04:32 UTC−4
Hi

are you shure that when you impose two current sources and no drain that you have an equilibre in the current flow ?

Failed to find initial conditions is typically there when the BC's and model set-up is not coherent

--
Good luck
Ivar
Hi are you shure that when you impose two current sources and no drain that you have an equilibre in the current flow ? Failed to find initial conditions is typically there when the BC's and model set-up is not coherent -- Good luck Ivar

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