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| Kvaternió orientáció× | Theodorsen-féle turbulencia× | |
|---|---|---|
| Tudományterület | Repülés- és űrtechnika | Repülés- és űrtechnika |
| Módszercsalád | Process / pipeline | Process / pipeline |
| Keletkezés éve≠ | 1843 | 1935 |
| Megalkotó≠ | William Hamilton (quaternions), aerospace engineers | Theodore Theodorsen |
| Típus≠ | Mathematical framework | Stability analysis |
| Alapmű≠ | Shuster, M. D. (1993). A survey of attitude representations. Journal of the Astronautical Sciences, 41(4), 439–517. link ↗ | Theodorsen, T. (1935). General theory of aerodynamic instability and the mechanism of flutter. NACA Report No. 496. link ↗ |
| Alternatív nevek | quaternion representation, attitude kinematics, q-vector | flutter analysis, aeroelastic stability, Theodorsen's function |
| Kapcsolódó | 3 | 3 |
| Összefoglaló≠ | Quaternion attitude representation is a mathematical framework for describing three-dimensional rotations using four-dimensional vectors (quaternions). Superior to Euler angles due to the absence of singularities (gimbal lock), quaternions are the standard representation in modern attitude estimation, spacecraft control, and 3D computer graphics. Quaternion kinematics elegantly expresses how attitude evolves under angular velocity measurements from gyroscopes. | Theodorsen flutter analysis is a classical aeroelastic method for predicting the onset of flutter, a self-excited oscillation where aerodynamic forces interact with elastic structural motion to cause rapid growth of oscillations. Developed by Theodore Theodorsen in 1935, the method uses frequency-domain analysis with Theodorsen's function to compute aerodynamic forces on oscillating wings. Flutter speed prediction is essential for aircraft certification and structural design. |
| ScholarGateAdatkészlet ↗ |
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