研究方向
主要研究方向有兩個：
一個是研究複合材料及功能梯度材料的損傷破壞問題：1.對受低速衝擊複合材料層合板的損傷情況進行預測和模擬，全面研究了基體開裂、層間脫層、纖維斷裂等各種損傷起始和擴展情況。2.對功能梯度生物材料牙齒植入體進行損傷和斷裂分析，研究了在各種咀嚼力作用下，牙齒植入體的斷裂位置和裂紋擴展情況。
另一個研究方向是機械系統複雜的非線性動力學分析：1.對粘彈性傳動帶進行非線性動力學研究，分析了移動速度、張緊力和材料參數等對空間振動的影響，發現傳動帶存在分叉和混沌現象。2.對功能梯度板、殼結構及壓電複合材料層板結構進行非線性動力學分析，在各種外激勵作用下，研究各種結構的複雜非線性行為。
科研課題
目前承擔的國家自然科學基金項目：裂紋複合材料板的非線性動力學分析、實驗及損傷評估
發表論文
目前為止，已發表論文30餘篇，其中SCI收錄5篇，主要論文目錄：
1. L. H. Chen,W. Zhangand Z. H. Yao, Numerical simulation for damage of composite laminates under low-velocity impact, International Journal of Nonlinear Sciences and Numerical Simulation, 2007, 8(4): 581-587. SCI(236IW)收錄
2. L. H. Chen, W. Zhang and Y. Q. Liu, Modeling of nonlinear oscillations for viscoelastic moving belt using Hamilton’s principle, ASME Journal of Vibration and Acoustics,2007, 129(1): 128-132. SCI(132SM)和 EI(072010603611)收錄
3. Y. X. Hao, L. H. Chen, W. Zhang and J. G. Lei, Nonlinear oscillations, bifurcations and chaos of functionally graded materials plate, Journal of Sound and Vibration, in press, SCI 刊源
4. Y. Q. Liu,W. Zhangand L. H. Chen, Nonplanar periodic and chaotic oscillation of an axially moving viscoelastic belt, International Journal of Nonlinear Sciences and Numerical Simulation, 2007, 8(4): 588-600. SCI(236IW )收錄
5. L. H. Chen, W. Zhang and Z. H. Yao, Research on low-velocity impact response of laminated composite plate with multiple delaminations, International Journal of Nonlinear Sciences and Numerical Simulation, 2005, 6(1): 55-62. SCI(911UT)收錄.
6. L. H. Chen, F. H. Yang and W. Zhang, Periodic and chaotic oscillations out plane for viscoelastic axially moving beam, The fifth international conference on nonlinear mechanics, 2007, Shanghai, China. ISTP(BGW46) 收錄.
7. L. H. Chen, W. Zhang et al, Numerical simulation for damage of composite laminates under low-velocity impact, The Second International Conference on Dynamics, Vibration and Control, 2006, Beijing, China
8. L. H. Chen, W. Zhang et al, Modeling of nonlinear oscillations for viscoelastic moving beam using Hamilton’s principle, The Second International Conference on Dynamics, Vibration and Control, 2006, Beijing, China
9. Z. G. Yao, L. H. Chen and W. Zhang, Research on periodic and chaotic oscillations of laminated composite piezoelectric rectangular plates with one-to-tree internal resonance, The Second International Conference on Dynamics, Vibration and Control, 2006, Beijing, China.
