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工程力学  2015 

基于傅里叶级数法的燃油喷嘴半脊模糊可靠性

, PP. 212-216

Keywords: 傅里叶级数法,模糊广义强度,模糊安全状态,半脊隶属度,燃油喷嘴可靠性

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Abstract:

该研究运用傅里叶级数展开与半脊隶属度,计算航空发动机燃油喷嘴在模糊安全状态为模糊广义强度的模糊可靠性。这种方法可以提高获得精确解的可能性,同时降低了计算的复杂性。航空发动机燃油喷嘴引射器在正态分布热应力下,傅里叶级数法计算的模糊可靠性相对数值积分法更准确。验证了该方法的计算能力比数值积分法更强,多级数的方式提供更稳定的验算,并产生更低的误差率,因此适用于模糊可靠性分析。

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