From LMS International
Dynamic simulation of the landing gear and the airframe is used to support the engineering development process early in new aircraft programs and make better use of testing downstream. Simulation is used to verify that certification requirements set forth in regulations like FAR/ JAR 25.491 can be met. Aircraft companies have used increasingly more complete analyses after starting a few years ago with simulation of a runway (random) profile, a discrete (tuned bump or 1.7g static) and a combined load condition based on a formula. The runway profile and tuned bump analyses involved dynamic analyses of the aircraft over the respective ground profiles. More advanced user groups have automated their simulation processes, running thousands of simulations for many aircraft designs, landing gear configurations and ground profile conditions to verify that the aircraft can tolerate the loads in all scenarios.
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