Accident with No Component Failures ( LAHGEARBOX LC ONDENSER CATALYST VAPOR COOLING REFLUX REACTOR COMPUTER eveson-4 The Problem Ty pes of Accidents Component Failure Accidents Single or multiple component failures Usually assume random failure · System Accidents Arise in interactions among components No components may have"failed Caused by interactive complexity and tight coupling Exacerbated by the introduction of computersAccident with No Component Failures c ✂✁✂✄☎✁✂✆☎✝✂✞✠✟☛✘ ✍✏✎✂✁✠✑✓✒✝✂✔✂✕✁✂✖ LC COMPUTER WATER COOLING CONDENSER VENT REFLUX REACTOR VAPOR LA CATALYST GEARBOX Types of Accidents Component Failure Accidents Single or multiple component failures Usually assume random failure System Accidents Arise in interactions among components No components may have "failed" c ✂✁✂✄☎✁✂✆☎✝✂✞✠✟☛✗ ✍✏✎✂✁✠✑✓✒✝✂✔✂✕✁✂✖ Caused by interactive complexity and tight coupling Exacerbated by the introduction of computers. .