// Compute the new value of the state variable (v) at the end of the time // step. We save the value in a temporary variable instead of updating v. // This is because we still need the initial value in the next statement. double v_new= (stateScal(v) - inputSim(q_in) * paramNum(k)) * exp(- delta_t / paramNum(k)); // Update the output variable (q_ex). We use the reservoir's mass balance // to compute the time-step averaged outflow rate. Alternatively, we could // simply return the instantaneous value at the end of the time step. set_output(q_ex)= inputSim(q_in) - (v_new - stateScal(v)) / delta_t; // We can now update v (since the initial value is no longer needed). set_stateScal(v)= v_new;
set_output(qx_end)= inputSim(qi_end); set_output(qx_avg)= inputSim(qi_avg);
set_output(qx_end)= inputSim(qi_end_1) +
inputSim(qi_end_2) +
inputSim(qi_end_3) +
inputSim(qi_end_4) +
inputSim(qi_end_5) +
inputSim(qi_end_6) +
inputSim(qi_end_7) +
inputSim(qi_end_8);
set_output(qx_avg)= inputSim(qi_avg_1) +
inputSim(qi_avg_2) +
inputSim(qi_avg_3) +
inputSim(qi_avg_4) +
inputSim(qi_avg_5) +
inputSim(qi_avg_6) +
inputSim(qi_avg_7) +
inputSim(qi_avg_8);
