Structural Dynamics Analysis of ATPS Parachute using Nonlinear Finite Element method
DOI:
https://doi.org/10.54097/hset.v77i.14361Keywords:
Nonlinear Finite Element Method, ATPS Parachute, Structural Dynamics.Abstract
A computational structural dynamics method based on the nonlinear finite element (NFE) model is developed for simulating the dynamic response of parachutes. Numerical simulation results for benchmark cases and ASTM parachute inflation demonstrate the advantages of the proposed method in terms of comparable accuracy, perfect convergence, superior algorithmic stability, and stronger ability to handle highly nonlinear equations. Compared with the existing numerical methods used in parachute simulation, the proposed method can capture the more real mechanical behaviour of parachute by introducing the nonlinear factors in the physical model involved into the governing equation entirely, then using the nonlinear theory to build the calculation model, last solving the equivalent linear equations.
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