As I want to keep my code structure as before applying SNES, I defined a
FieldContext and pass my data like element and face values into this
context by pointing there addresses of elements and faces of the field
like this:<br>
<br>typedef struct {<br> element* e; <br> face* f; <br> flow* flw; <br>}FieldCtx;<br><br>and then:<br> <br>FC.e = e; <br>FC.f = f;
<br>FC.flw = flw;<br><br>and pass FieldContext into SNESSetFunction and SNESSetJacobian.<br><br>Here I checked that all my routine work as before except one (related to convective flux) which I really do not know why the values just for this routine is not match as before.<br>
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