Numerical Aspects of Nonlinear Flexible Aircraft Flight Dynamics Modeling
Numerical Aspects of Nonlinear Flexible Aircraft Flight Dynamics Modeling
复制标题
非线性柔性飞机飞行动力学建模的数值方面
DOI:
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发表时间:
2013
期刊:
影响因子:
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通讯作者:
R. Palacios
中科院分区:
文献类型:
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作者:
R. Simpson;R. Palacios
craft dynamics modeling is presented. The baseline model is a geometricallyexact composite beam model describing the exible-body dynamics which are subject to aerodynamic forces predicted using the unsteady vortexlattice method (UVLM). The objectivity of the beam formulation is rst investigated for static problems with large nodal rotations. It is found that errors associated with non-objectivity of the formulation are minimized to negligible levels using quadratic (3-noded) elements. In addition to this, two force calculation methods are presented and compared for the UVLM. They show subtle but important dierences when applied to unsteady aero
影响因子:
4.7
作者:
Hesse, Henrik;Palacios, Rafael
通讯作者:
Palacios, Rafael