Computational and Mathematical Methods in Medicine

Research Article

A Meshfree Method for Simulating Myocardial Electrical Activity

Table 2

Comparison of computational costs.
  RMS h (mm) Assemble (sec) Propagation (sec)
𝜎 = 0 . 5     
 FDM 3 . 3 0 𝑒 − 0 4 0.05 n / a 258.31
 FEM 2 . 3 1 𝑒 − 0 4 0.05 0.20 248.26
  E F G M ( c u b i c , 𝑑 m a x = 1 . 5 ) 4 . 5 6 𝑒 − 0 4 0.2 0.11 39.50
  E F G M ( c u b i c , 𝑑 m a x = 2 . 0 ) 2 . 6 0 𝑒 − 0 4 0.8 0.05 41.33
  E F G M ( q u a r t i c , 𝑑 m a x = 1 . 5 ) 3 . 4 0 𝑒 − 0 4 0.2 0.07 38.83
  E F G M ( q u a r t i c , 𝑑 m a x = 2 . 0 ) 1 . 4 9 𝑒 − 0 4 0.8 0.04 40.60
𝜎 = 0 . 2 5     
 FDM 6 . 0 6 𝑒 − 0 4 0.05 n / a 580.11
  FEM 4 . 6 0 𝑒 − 0 4 0.05 0.21 591.42
  E F G M ( c u b i c , 𝑑 m a x = 1 . 5 ) 8 . 1 2 𝑒 − 0 4 0.2 0.10 48.23
  E F G M ( c u b i c , 𝑑 m a x = 2 . 0 ) 5 . 8 0 𝑒 − 0 4 0.8 0.04 50.90
  E F G M ( q u a r t i c , 𝑑 m a x = 1 . 5 ) 5 . 2 0 𝑒 − 0 4 0.2 0.08 47.81
  E F G M ( q u a r t i c , 𝑑 m a x = 2 . 0 ) 3 . 0 0 𝑒 − 0 4 0.8 0.02 50.90