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Fluid-Structure Interactions of the G-12 Parachute During Control Line Input Operations

Aylin Tansel, T*AFSM

Project Supervisors:
Sunil Sathe, Masayoshi Senga, T*AFSM

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

These projects are part of a research effort by the T*AFSM in collaboration with US Army Natick Soldier Center. Maneuvering of parachutes can be achieved by contracting the parachute risers. The payload gliding motion and parachute fluid-structure interactions are simulated in the present computations.

Figure 1: Two risers of the G-12 Parachute are pulled.

Soft-landing of cargo parachutes can be achieved by contracting pneumatic muscles between the parachute risers and the payload. The payload motion and the canopy deformation of a G-12 during its soft-landing are simulated when one of the pneumatic muscles is delayed in its contraction.

Figure 2: 4-Muscle Soft-Landing of G-12 Parachute with one muscle delayed