師資
陳曦研究副教授于2012年和2019年畢業(yè)于西北工業(yè)大學動力與能源學院，分別獲得飛行器動力工程專業(yè)的學士學位和航空宇航科學與技術專業(yè)的博士學位。2016年至2017年，在德國西門子股份有限公司大驅動電機部擔任機械工程師，從事15MW大驅動電機的抗震設計與三維仿真計算。2019年6月至2021年6月，在南方科技大學力學與航空航天工程系進行博士后研究工作。2021年7月起，任南方科技大學力學與航空航天工程系研究助理教授。2021年12月，通過遴選成為碩士研究生導師。
致力于航空發(fā)動機、艦船燃氣輪機、大驅動電機以及風力機等旋轉機械的應用領域，從事非線性動力學、結構振動、轉子動力學等理論基礎研究；流固耦合算法、穩(wěn)定性分析、振動控制等數(shù)值模擬研究；阻尼器減振設計、高速動平衡、狀態(tài)監(jiān)測與故障診斷等工程技術研究。主要成果包括：
（1）提出了基礎運動激勵條件下單轉子、帶中介軸承的雙轉子系統(tǒng)動力學特性的建模與分析方法，揭示了基礎轉動角速度、簡諧幅值及頻率等運動參數(shù)對單/雙轉子系統(tǒng)動力響應的影響，相關研究成果為快速計算復雜外部激勵的系統(tǒng)動力響應提供了理論依據。
（2）在機動飛行與阻尼器減振方面，做出若干創(chuàng)新性工作，探究了轉子—阻尼—支承系統(tǒng)的非線性振動特性，提出機動飛行環(huán)境下高速轉子系統(tǒng)穩(wěn)定性與運動分岔研究方法，揭示不穩(wěn)定區(qū)域隨運動頻率的變化規(guī)律、不同運動狀態(tài)之間的轉化與關聯(lián)，對高機動性的發(fā)動機轉子系統(tǒng)動力學設計提供了理論支撐。
（3）發(fā)展了柔性轉子現(xiàn)場動平衡理論，解決了轉速波動時振幅和相位跳動問題，實現(xiàn)大涵道比渦扇發(fā)動機整機高速動平衡，為發(fā)動機減振起到關鍵作用。技術成果用于大飛機發(fā)動機工程研制。
工作經歷
2016.2-2017.1 德國西門子股份有限公司，大驅動電機部，機械工程師
2019.6-2021.6 南方科技大學，力學與航空航天工程系，博士后
2021.07至今 南方科技大學，力學與航空航天工程系，研究助理教授
教育背景
2008.9-2012.7 西北工業(yè)大學，飛行器動力工程，本科
2012.9-2019.3 西北工業(yè)大學，航空宇航科學與技術，博士研究生
研究方向
非線性動力學、結構振動、轉子動力學等理論基礎研究
流固耦合算法、穩(wěn)定性分析、振動控制等數(shù)值模擬研究
阻尼器設計、高速動平衡、狀態(tài)監(jiān)測與故障診斷等工程技術研究
代表文章
1. Chen, X., Gan, X. H., and Ren, G. M., 2022, "Effects of journal static eccentricity on dynamic responses of a rotor system under base motions using FDM inertia model," Journal of Sound and Vibration, 519, p. 116591.
2. Chen, X., Ren, G. M., and Gan, X. H., 2021, "Dynamic behavior of a flexible rotor system with squeeze film damper considering oil-film inertia under base motions," Nonlinear Dynamics, 106(4), pp. 3117-3145.
3. Chen, X., Gan, X. H., and Ren, G. M., 2021, "Effect of flight/structural parameters and operating conditions on dynamic behavior of a squeeze-film damped rotor system during diving–climbing maneuver," Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, ? 235(3), pp. 308-338.
4. Chen, X., Gan, X. H., and Ren, G. M., 2020, "Dynamic modeling and nonlinear analysis of a rotor system supported by squeeze film damper with variable static eccentricity under aircraft turning maneuver," Journal of Sound and Vibration, 485, p. 115551.
5. Chen, X., Gan, X. H., and Ren, G. M., 2020, "Nonlinear responses and bifurcations of a rotor-bearing system supported by squeeze-film damper with retainer spring subjected to base excitations," Nonlinear Dynamics, 102(4), pp. 2143-2177.
6. Chen, X., Gan, X. H., Jiang, S. Y., and Ren, G. M., "Dynamic characteristics of a squeeze film damped rotor system considering instantaneous static eccentricity in maneuvering flight," Proceedings of the ASME Turbo Expo 2020: Turbomachinery Technical Conference and Exposition, American Society of Mechanical Engineers (ASME), p. International Gas Turbine Institute.
7. Chen, X., and Liao, M. F., "Transient characteristics of a dual-rotor system with intershaft bearing subjected to mass unbalance and base motions during start-up," Proceedings of the ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition, American Society of Mechanical Engineers, p. V07AT33A007.
8. Chen, X., and Liao, M. F., "Steady-state characteristics of a dual-rotor system with intershaft bearing subjected to mass unbalance and base motions," Proceedings of the ASME Turbo Expo 2018: Turbomachinery Technical Conference and Exposition, American Society of Mechanical Engineers, p. V07AT33A006.
9. Chen, X., Liao, M. F., and Li, Q. K., 2017, "Effects of tightening torque on dynamic characteristics of low pressure rotors connected by a spline coupling," Transactions of Nanjing University of Aeronautics and Astronautics, 34(5), pp. 514-523.
10. Chen, X., Liao, M. F., Zhang, X. M., and Wang, S. J., 2017, "Field balancing technology for low pressure rotors of high bypass ratio turbofan engines," Journal of Aerospace Power, 32(4), pp. 808-819.
11. Chen, X., Liao, M. F., Wang, S. J., and Yi, Y., 2016, "Data acquisition and processing method for high-speed dynamic balancing of rotors," Journal of Propulsion Technology, 37(3), pp. 554-562.
12. Chen, X., Liao, M. F., and Li, Q. K., 2015, "Dynamic characteristics of a rotor system with a spline coupling," Journal of Propulsion Technology, 36(7), pp. 1069-1077.