Environment - simulationEnvironment: startTime=0 stopTime=1 tolerance=1e-06 numberOfIntervals=2500 stepSize=0.0004 Regular simulation: ./Buildings_latest_Buildings.Fluid.AirFilters.BaseClasses.Validation.PressureDropWithVaryingFlowCoefficient -abortSlowSimulation -alarm=800 -lv LOG_STATS LOG_ASSERT | debug | division by zero at time 0, (a=0.01414213562373095) / (b=0), where divisor b expression is: varRes.rho_default LOG_ASSERT | info | simulation terminated by an assertion at initialization