vle-forge / irritator

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SEIR Model doesn't exhibit the right behavior #58

Closed duboz closed 3 years ago

duboz commented 3 years ago

The QSS1 SEIR Model doesn't exhibit the right behavior. It shows an exponential growth which is unexpected. Hereafter is a screenshot of what should be the results (using QSS2). Capture d’écran de 2021-06-25 15-20-13

I copy the irt source file for you to check :

0 0 0 0 33 0 0.0 0.0 qss2_integrator 999 0.01 1 0.0 0.0 qss2_integrator 1 0.01 2 0.0 0.0 qss2_integrator 1 0.01 3 0.0 0.0 qss2_integrator 0 0.01 4 0.0 0.0 constant 16.667 5 0.0 0.0 qss2_sum_2 6 0.0 0.0 qss2_multiplier 7 0.0 0.0 qss1_multiplier 8 0.0 0.0 constant 0.001 9 0.0 0.0 constant 1 10 0.0 0.0 qss2_multiplier 11 0.0 0.0 qss2_multiplier 12 0.0 0.0 constant 0.3 13 0.0 0.0 qss2_multiplier 14 0.0 0.0 constant -1 15 0.0 0.0 qss2_multiplier 16 0.0 0.0 constant -0.01667 17 0.0 0.0 qss2_sum_2 18 0.0 0.0 qss2_multiplier 19 0.0 0.0 constant 0.1 20 0.0 0.0 qss2_multiplier 21 0.0 0.0 constant -1 22 0.0 0.0 qss2_sum_2 23 0.0 0.0 qss2_sum_2 24 0.0 0.0 qss1_sum_2 25 0.0 0.0 qss2_multiplier 26 0.0 0.0 constant 0.1 27 0.0 0.0 qss2_multiplier 28 0.0 0.0 constant -1 29 0.0 0.0 qss2_multiplier 30 0.0 0.0 qss2_sum_2 31 0.0 0.0 qss2_multiplier 32 0.0 0.0 qss2_sum_2 0 0 15 0 0 0 6 0 1 0 18 0 1 0 6 1 2 0 29 1 2 0 25 0 3 0 31 0 4 0 5 1 5 0 17 1 6 0 7 0 7 0 10 0 8 0 7 1 9 0 10 1 10 0 11 0 11 0 23 1 11 0 13 0 12 0 11 1 13 0 5 0 14 0 13 1 15 0 17 0 16 0 31 1 16 0 29 0 16 0 15 1 17 0 0 0 18 0 24 0 18 0 20 0 19 0 18 1 20 0 22 1 21 0 20 1 22 0 23 0 23 0 1 0 24 0 2 0 25 0 32 0 25 0 27 0 26 0 25 1 27 0 30 0 28 0 27 1 29 0 30 1 30 0 24 1 31 0 32 1 32 0 3 0

duboz commented 3 years ago