| Probabilistic Load Analysis for Tailplane Considering Uncertainties in Design Variables |
|
Yong-Joon Choi, In-Gul Kim, Seok-Je Lee |
1
2 |
| 설계변수의 불확실성을 고려한 미익 하중의 확률론적 해석 |
|
최용준, 김인걸, 이석제 |
1충남대학교 항공우주공학과 대학원
2충남대학교 항공우주공학과 |
|
|
| Abstract |
|
This paper examined the probabilistic load analysis for the tailplane during pitching maneuvering in the conceptual aircraft design phase. The flight load analysis based on the probabilistic distribution of design variables are compared with the results of the deterministic analysis. Two forms of variable distribution are used in this paper. One is standard normal distribution, the other distribution is calculated from the results of short-period longitudinal equation of aircraft motion. The influence of the distribution parameter on the probabilistic load analysis was investigated and the significant design variables that have an impact on the mean and variance of probabilistic load were identified. The comparison indicates that probabilistic load analysis provides more reliable probabilistic load distribution for the structural design than the traditional deterministic analysis. |
| Key Words:
Probabilistic Analysis, Uncertainty, Flight Loads, Pitching Maneuver, Symmetric Maneuvers |
|
PDF Links
Full text via DOI
Download Citation
