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math.NA2023
Physiological accuracy in simulating refractory cardiac tissue: the volume-averaged bidomain model vs. the cell-based EMI model
Joyce Reimer, Sebastián A. Domínguez-Rivera, Joakim Sundnes +1
The refractory period of cardiac tissue can be quantitatively described using strength-interval (SI) curves. The information captured in SI curves is pertinent to the design of ant…
math.NA2019
On theoretical upper limits for valid timesteps of implicit ODE methods
K. R. Green, G. W. Patrick, R. J. Spiteri
Implicit methods for the numerical solution of initial-value problems may admit multiple solutions at any given time step. Accordingly, their nonlinear solvers may converge to any…