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fluxLimitedLangmuirHinshelwoodReactionRate: Stabilise divisions

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This commit is contained in:
Will Bainbridge
2022-02-23 11:43:34 +00:00
parent 305ce7b487
commit 91553c31e0
1 changed files with 3 additions and 3 deletions
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6
src/thermophysicalModels/chemistryModel/reactions/fluxLimitedLangmuirHinshelwood/fluxLimitedLangmuirHinshelwoodReactionRateI.H
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@ -240,7 +240,7 @@ Foam::fluxLimitedLangmuirHinshelwoodReactionRate::operator()
const scalar TaByT0 = Ta_[0]/T; const scalar TaByT0 = Ta_[0]/T;
const scalar k0 = A_[0]*pow(T, beta_[0])*exp(-TaByT0); const scalar k0 = A_[0]*pow(T, beta_[0])*exp(-TaByT0);
scalar r = k0/pow(a_ + sumkc, m_[0]); scalar r = k0/max(pow(a_ + sumkc, m_[0]), rootVSmall);
if (limited_) if (limited_)
{ {
@ -293,8 +293,8 @@ inline Foam::scalar Foam::fluxLimitedLangmuirHinshelwoodReactionRate::ddT
const scalar k0 = A_[0]*pow(T, beta_[0])*exp(-TaByT0); const scalar k0 = A_[0]*pow(T, beta_[0])*exp(-TaByT0);
scalar ddT = scalar ddT =
((beta_[0] + TaByT0)*k0 - m_[0]*k0*sumBetaKc/(a_ + sumkc)) ((beta_[0] + TaByT0)*k0*(a_ + sumkc) - m_[0]*k0*sumBetaKc)
/(pow(a_ + sumkc, m_[0])*T); /(max(pow(a_ + sumkc, m_[0] + 1), rootVSmall)*T);
if (limited_) if (limited_)
{ {