pystra.ddo.lqi_k1#

lqi_k1(safety_cost_rate, swtp, expected_fatalities_given_failure)[source]#

Return the LQI safety cost ratio K1.

The Fischer, Barnardo, and Faber table uses a ratio of the marginal safety cost to the SWTP-weighted expected fatalities. In their bridge notation the numerator is typically C1 * (gamma_s + omega).

Return type:

float