Openfoam, in work flow around a plate problem when using the simple algorithm, only calculate step 9 is divergent, display an error as follows, really don't know where is wrong, hope a great god,
SmoothSolver: Solving the for Ux, Initial residual=0.172741, the Final residual=0.0165851, No Iterations 3
SmoothSolver: Solving the for Uy, Initial residual=0.233627, the Final residual=0.0218321, No Iterations 1
# 0 terms: : error: : printStack (terms: : Ostream&) At?? :?
# 1 terms: : sigFpe: : sigHandler (int) at?? :?
# 2? In "/lib/x86_64 - - the gnu/Linux libc. So. 6"
# 3 terms: : GAMGSolver: : scale (terms: : Field & Terms: : Field & Terms: : lduMatrix const& Terms: : FieldField Const& Terms: : UPtrList Const& Terms: : Field Const& Unsigned char) const at?? :?
# 4 terms: : GAMGSolver: : Vcycle (terms: : PtrList Const& Terms: : Field & Terms: : Field Const& Terms: : Field & Terms: : Field & Terms: : Field & Terms: : Field & Terms: : Field & Terms: : PtrList & Terms: : PtrList & Unsigned char) const at?? :?
# 5 terms: : GAMGSolver: : solve (terms: : Field & Terms: : Field Const& Unsigned char) const at?? :?
# 6 terms: : fvMatrix : : solveSegregated (terms: : dictionary const&) At?? :?
# 7 terms: : fvMatrix : : solve (terms: : dictionary const&) In "/opt/openfoam8/platforms/linux64GccDPInt32Opt/bin/simpleFoam"
# 8 terms: : fvMatrix : : solve () "in/opt/openfoam8/platforms/linux64GccDPInt32Opt/bin/simpleFoam"
# 9? In "/opt/openfoam8/platforms/linux64GccDPInt32Opt/bin/simpleFoam"
# 10 __libc_start_main "in/lib/x86_64 - - the gnu/Linux libc. So. 6"
# 11? In "/opt/openfoam8/platforms/linux64GccDPInt32Opt/bin/simpleFoam"
Floating-point exception (core dump)