李群[西安交通大學航天航空學院教授]

李群，西安交通大學航天學院工程力學系教授，固體力學專業博士生導師

個人資料

李群，工學博士，西安交通大學航天學院工程力學系教授，固體力學專業博士生導師

工作經歷

2008.7-2010.8，德國TU Freiberg“洪堡”學者，合作教授：Meinhard Kuna；

2010.9-2011.7，美國賓夕法尼亞州立大學Postdoc Fellow，合作教授:LQ Chen；

2014.6-2014.9，德國錫根大學洪堡高級訪問學者，合作教授：ChuanZeng Zhang

2011.7-至今，任西安交通大學航天航空學院副教授，教授。

研究方向

主持項目

[1] 基於構形力學描述材料損傷和失效的新準則（11472205）, 2015.1-2018.12，國家自然科學基金項目；

[2] 基於微觀組織演化的多晶鐵電材料斷裂行為及構型力研究(11202156)，2013.1-2015.12，國家自然科學基金青年項目；

[3] 某掃描平台分析與仿真研究，2013.5-2014.3（主持）；

[4] 微電疇偏轉下的鐵電裂紋擴展問題研究（2013回國基金17），2013.07-2014.07，教育部留學回國基金；

[5] 頁岩氣儲層水力壓裂技術的最佳化設計（2014K10-16），2014.1-2015.12, 陝西省教育廳,工業攻關；

[6] 某掃描平台分析與仿真研究（2014XT-08），2014.1-2015.12, 陝西省教育廳,協同創新；

[7] 固體氧化物燃料電池微結構演化的相場法模擬，2013.1-2014.12，西安交通大學自由探索與自主創新類項目；

[8] 多晶鐵電穿晶裂紋和沿晶裂紋的構型力研究，2013.1-2014.12，西安交通大學國際科技合作項目；

[9] 鐵電多晶材料的斷裂損傷微觀數值模擬，2012.1-2014.12，西安交通大學“新教師科研支持計畫”；

[10] 頁岩氣儲層水力壓裂的裂紋縫網形成機理研究，2013.12-2015.12，西安交通大學機械結構強度與振動國家重點實驗室優秀人才課題；

參與項目

[1] 材料構型力學理論和實驗研究(10932007)，2010.1-2013.12，國家自然科學基金重點項目

[2] 輕質非均勻介質的力學行為(11321062)，2013.1-2016.12，國家自然科學基金創新群體

[3] 非均勻電蠕變導致裂紋尖端鐵電疇反轉及發射機理研究(11272248)，2013.1-2016.12，國家自然科學基金項目

主要成就

陝西高等學校科學技術獎一等獎（編號14A23） 2014 陝西省教育廳

陝西省科學技術獎一等獎（編號14-019） 2014 陝西省科學技術廳

個人作品

發表論文：

[1]Qun Li, Linyun Liang, Kirk Gerdes and Long-Qing Chen, Phase-field modeling of three-phase electrode microstructures in solid oxide fuel cells, Applied Physics Letters, 101, 033909, 2012.

[2]Yifeng Hu, Qun Li Junping Shi, and Yiheng Chen, Surface/interface effect and size/configuration dependence on the energy release in nanoporous membrane, Journal of Applied Physics, 112, 034302, 2012

[3]Qun Li, Yi-Feng Hu and Yi-Heng Chen, On the Physical Interpretation of the M-integral in Nonlinear Elastic Defect Mechanics, International Journal of Damage Mechanics, DOI: 10.1177/1056789512456860,2012

[4]Ning-Yu Yu. Qun Li and Yi-Heng Chen, Experimental evaluation of the M-integral in an elastic-plastic material containing multiple defects, J. Appl. Mech. 80, 011021 (2013)

[5]JianJun Wang, Saswata Bhattacharyya, Qun Li, Tae Wook Heo, XingQiao. Ma and Long-Qing Chen, Elastic solutions with arbitrary elastic inhomogeneity and anisotropy, Philosophical Magazine Letters, 2012, 1–9, iFirst

[6] Qun Li and Meinhard Kuna, Evaluation of electromechanical fracture behavior by configurational forces in cracked ferroelectric polycrystals, Computational Materials Science, 2012, 57, 94–101.

[7] Ningyu Yu and Qun Li, Yiheng Chen, Measurement of the M-integral for a Hole in an Aluminum Plate or Strip, Experimental Mechanics,52(7),855-863, 2012.

[8] Qun Li Meinhard Kuna, Inhomogeneity and material configurational forces in three dimensional ferroelectric polycrystals, European Journal of Mechanics A/Solids 2012, 31: 77-89.

[9] Qun Li, Andreas Ricoeur and Meinhard Kuna, Coulomb traction on a penny-shaped crack in a three dimensional piezoelectric body, Archive of Applied Mechanics, 2011, 81: 685–700

[10]Qun Li, Andreas Ricoeur, Marco Enderlein and Meinhard Kuna: Evaluation of electromechanical coupling effect by microstructural modeling of domain switching in ferroelectrics. Mechanics Research Communications, 2010, 37: 332–336

[11] Qun Li and YiHeng Chen: Inherent relations between the Bueckner integral and the Jk-integral or the M-integral in multi-defects damaged piezoelectric materials. Acta Mech, 2009, 204:125-136

[12] Qun Li and YiHeng Chen: The Coulombic traction on the surfaces of an interface crack in dielectric /piezoelectric or metal/piezoelectric bimaterials. Acta Mechanica, 2009, 202:111–126

[13] Qun Li and YiHeng Chen: Investigation of the crack problem in non-local piezoelectric materials under combined electromechanical loadings. Acta Mech Sin., 2009, 25:219–225

[14] Qun Li, Marco Enderlein and Meinhard Kuna, Micromechanical simulation of ferroelectric devices with cracks, IUTAM Proceeding in Symposium on Micromechanical simulation of ferroelectric devices with cracks, Multiscale Modelling of Fatigue, Damage and Fracture in Smart Materials Systems, Freiberg, Germany, September 1-4, 2009.

[15] Qun Li and YiHeng Chen: Surface effect and size dependence on the energy release due to a nanosized hole expansion in plane elastic materials. ASME Journal of Applied Mechanics, NOVEMBER 2008, 75: 061008-1(5pp)

[16] Qun Li and YiHeng Chen: Why traction-free? Piezoelectric crack and Coulombic traction. Arch Appl Mech, 2008, 78: 559–573.

[17] Qun Li and YiHeng Chen: The role played by the Coulombic traction for an interface crack in dissimilar piezoelectric materials. Smart Materials and Structures, 2008, 17:017001(7pp).

[18] Qun Li and YiHeng Chen: Solution for a semi-permeable interface crack in elastic dielectric /piezoelectric bimaterials. ASME Journal of Applied Mechanics, January 2008, 75(1): 011010

[19] Qun Li and YiHeng Chen, Hui Tong: Analysis of the invariant integrals in plane elasticity containing a nanosized hole. Acta Mech 2008, 199:143–150

[20] Qun Li and YiHeng Chen: Solution for a semi-permeable interface crack between two dissimilar piezoelectric materials. ASME Journal of Applied Mechanics, 2007, 74: 833-844.

[21] Qun Li and YiHeng Chen: Analysis of Crack-tip singularities for an interfacial permeable crack in metal/piezoelectric bimaterials. Acta Mechanica Solida Sinica, 2007, 20(3): 247-257.

[22] Qun Li and YiHeng Chen: Analysis of a permeable interface crack in elastic dielectric/piezoelectric bimaterials. Acta Mechanica Sinica, 2007, 23:681-687.

[23] Qun Li and YiHeng Chen: The Bueckner work conjugate integral for a permeable crack in piezoelectric materials. Acta Mechanica, 2007, 190: 237-243.

申請發明技術專利

· 於寧宇，李群，陳宜亨，專利申請號：CN201110401438.7，彈性缺陷材料M積分的無損測量方法。

· 於寧宇，李群，陳宜亨，專利申請號：CN201210004080.9，基於數字圖像相關的塑性多缺陷材料M積分測量方法。