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Everything in the simulation depends on the PR EOS being solved correctly at every time step. h2_storage_sim (v1.2) uses Newton-Raphson which is an iterative method that can fail. If the solver fails it returns Z=1 without telling us. Our simulation continues with a wrong density, wrong pressure, wrong mass and we never know it happened. Therefore, instead of Newton-Raphson, we can use an analytical cubic approach.
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Everything in the simulation depends on the PR EOS being solved correctly at every time step. h2_storage_sim (v1.2) uses Newton-Raphson which is an iterative method that can fail. If the solver fails it returns Z=1 without telling us. Our simulation continues with a wrong density, wrong pressure, wrong mass and we never know it happened. Therefore, instead of Newton-Raphson, we can use an analytical cubic approach.
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