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Simulation of a G-11 Parachute Soft-Landing with Delayed Muscle Retraction

Grant Gillary, US Naval Academy

Project Supervisor:
Masayoshi Senga, T*AFSM

Principal Investigator:
Professor Tayfun E. Tezduyar, T*AFSM

This project is a part of a research effort by the T*AFSM in collaboration with US Army Natick Soldier Center. Pneumatic Muscle Actuators (PMAs) can be used for soft landing of cargo parachutes. In this fluid-structure interaction (FSI) simulation we investigate how different ways of using these PMAs can influence the descent speed and other performance characteristics of cargo parachutes.

Figure 1: Delayed retraction of a Pneumatic Muscle Actuator.

Figure 2: Payload velocity for a case where the retraction of one of the four PMAs is delayed.