FastChem 4 adds a multidimensional Newton solver, logarithmic element densities, adaptive regularization for condensates, and an expanded database of 800 gas species and 511 condensates across 44 elements, yielding improved convergence and new condensation sequences for solar and carbon-rich cases.
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FastChem 4: New chemical elements and improved convergence behaviour
FastChem 4 adds a multidimensional Newton solver, logarithmic element densities, adaptive regularization for condensates, and an expanded database of 800 gas species and 511 condensates across 44 elements, yielding improved convergence and new condensation sequences for solar and carbon-rich cases.