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(xué)動(dòng)力與能源學(xué)院，分別獲得飛行器動(dòng)力工程專業(yè)的學(xué)士學(xué)位和航空宇航科學(xué)與技術(shù)專業(yè)的博士學(xué)位。2016年至2017年，在德國(guó)西門子股份有限公司大驅(qū)動(dòng)電機(jī)部擔(dān)任機(jī)械工程師，從事15MW大驅(qū)動(dòng)電機(jī)的抗震設(shè)計(jì)與三維仿真計(jì)算。2019年6月至2021年6月，在南方科技大學(xué)力學(xué)與航空航天工程系進(jìn)行博士后研究工作。2021年7月起，任南方科技大學(xué)力學(xué)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(dǎo)師。
致力于航空發(fā)動(dòng)機(jī)、艦船燃?xì)廨啓C(jī)、大驅(qū)動(dòng)電機(jī)以及風(fēng)力機(jī)等旋轉(zhuǎn)機(jī)械的應(yīng)用領(lǐng)域，從事非線性動(dòng)力學(xué)、結(jié)構(gòu)振動(dòng)、轉(zhuǎn)子動(dòng)力學(xué)等理論基礎(chǔ)研究；流固耦合算法、穩(wěn)定性分析、振動(dòng)控制等數(shù)值模擬研究；阻尼器減振設(shè)計(jì)、高速動(dòng)平衡、狀態(tài)監(jiān)測(cè)與故障診斷等工程技術(shù)研究。主要成果包括：
（1）提出了基礎(chǔ)運(yùn)動(dòng)激勵(lì)條件下單轉(zhuǎn)子、帶中介軸承的雙轉(zhuǎn)子系統(tǒng)動(dòng)力學(xué)特性的建模與分析方法，揭示了基礎(chǔ)轉(zhuǎn)動(dòng)角速度、簡(jiǎn)諧幅值及頻率等運(yùn)動(dòng)參數(shù)對(duì)單/雙轉(zhuǎn)子系統(tǒng)動(dòng)力響應(yīng)的影響，相關(guān)研究成果為快速計(jì)算復(fù)雜外部激勵(lì)的系統(tǒng)動(dòng)力響應(yīng)提供了理論依據(jù)。
（2）在機(jī)動(dòng)飛行與阻尼器減振方面，做出若干創(chuàng)新性工作，探究了轉(zhuǎn)子—阻尼—支承系統(tǒng)的非線性振動(dòng)特性，提出機(jī)動(dòng)飛行環(huán)境下高速轉(zhuǎn)子系統(tǒng)穩(wěn)定性與運(yùn)動(dòng)分岔研究方法，揭示不穩(wěn)定區(qū)域隨運(yùn)動(dòng)頻率的變化規(guī)律、不同運(yùn)動(dòng)狀態(tài)之間的轉(zhuǎn)化與關(guān)聯(lián)，對(duì)高機(jī)動(dòng)性的發(fā)動(dòng)機(jī)轉(zhuǎn)子系統(tǒng)動(dòng)力學(xué)設(shè)計(jì)提供了理論支撐。
（3）發(fā)展了柔性轉(zhuǎn)子現(xiàn)場(chǎng)動(dòng)平衡理論，解決了轉(zhuǎn)速波動(dòng)時(shí)振幅和相位跳動(dòng)問題，實(shí)現(xiàn)大涵道比渦扇發(fā)動(dòng)機(jī)整機(jī)高速動(dòng)平衡，為發(fā)動(dòng)機(jī)減振起到關(guān)鍵作用。技術(shù)成果用于大飛機(jī)發(fā)動(dòng)機(jī)工程研制。
工作經(jīng)歷
2016.2-2017.1 德國(guó)西門子股份有限公司，大驅(qū)動(dòng)電機(jī)部，機(jī)械工程師
2019.6-2021.6 南方科技大學(xué)，力學(xué)與航空航天工程系，博士后
2021.07至今 南方科技大學(xué)，力學(xué)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(xué)，飛行器動(dòng)力工程，本科
2012.9-2019.3 西北工業(yè)大學(xué)，航空宇航科學(xué)與技術(shù)，博士研究生
研究方向
非線性動(dòng)力學(xué)、結(jié)構(gòu)振動(dòng)、轉(zhuǎn)子動(dòng)力學(xué)等理論基礎(chǔ)研究
流固耦合算法、穩(wěn)定性分析、振動(dòng)控制等數(shù)值模擬研究
阻尼器設(shè)計(jì)、高速動(dòng)平衡、狀態(tài)監(jiān)測(cè)與故障診斷等工程技術(shù)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.