1. Full name: Nguyen Thi Nga                                                     2. Sex: Female

3. Date of birth: 28 February 1986                                              4. Place of birth: Ha Noi

5. Admission decision number: 4374/QĐ-KHTN-CTSV signed on 03/12/2012 by the Rector of VNU University of Science

6. Changes in academic process:

- Decision on school suspension because of busy work and childcare No. 5393 / QĐ-ĐHKHTN signed on 18/12/2014 by the Rector of VNU University of Science

- Renewal Decision No. 1034 / QĐ-ĐHKHTN signed on 25/4/20147 by the Rector of VNU University of Science

7. Official thesis title:

Static stability analysis of eccentrically stiffened functionally graded plates and shells under mechanical and thermal loads

8. Major: Solid mechanics                                                          9. Code: 62440107

10. Supervisors: Prof. Dr. Dao Van Dung

Assoc. Prof. Dr. Vu Do Long    

11. Summary of the new findings of the thesis

- Nonlinear stability analysis of eccentrically stiffened imperfection FGM plates under mechanical compressive and thermal loads.

- Nonlinear stability analysis of eccentrically stiffened FGM sandwich cylindrical shells under axial compressive and thermal loads.

- Linear stability analysis of eccentrically stiffened FGM sandwich truncated conical shells under mechanical loads.

12. Paratical applicability, if any:

- Give some scientifically valid assessments for designers in actual testing and use.

13. Further research directions, if any

- Investigate plasto-elastic stability of eccentrically stiffened functionally graded plates and shells.

- Investigate nonlinear temperature change across the thickness of eccentrically stiffened FGM sandwich plates and shells.

14. Thesis-related publications:

[1]. Dung D.V., Nga N.T. (2013), “Nonlinear buckling and post-buckling of eccentrically stiffened functionally graded cylindrical shells surrounded by an elastic medium based on the first order shear deformation theory”, Vietnam Journal of Mechanics, VAST 35(4), pp. 285-298.

[2]. Dung D.V., Nga N.T. (2015), “Nonlinear analysis of stability for imperfect eccentrically stiffened FGM plates under mechanical and thermal loads based on FSDT. Part 1: Governing equations establishment”, Vietnam Journal of Mechanics, VAST 37(3), pp. 187 – 204.

[3]. Dung D.V., Nga N.T. (2015), “Nonlinear analysis of stability for imperfect eccentrically stiffened FGM plates under mechanical and thermal loads based on FSDT. Part 2: Numerical results and discussions”, Vietnam Journal of Mechanics, VAST 37(4), pp. 251 – 262.

[4]. Nga N.T., Dung D.V. (2015), “On the stability of FGM cylindrical shell reinforced by FGM stiffeners and filled by an elastic medium based on FSDT in thermal environment”, National Conference on Deformable Solid Mechanics, Duy Tan University, Da Nang City, 7/8/2015, pp.  1000 – 1007.

[5]. Dung D.V., Nga N.T. (2016), “Buckling and postbuckling nonlinear analysis of imperfect FGM plates reinforced by FGM stiffeners with temperature-dependent properties based on TSDT”, Acta Mechanica 227(8), pp. 2377 – 2401.

[6]. Dung D.V., Hoa L.K., Thuyet B.T., Nga N.T. (2016), “Buckling analysis of functionally graded material (FGM) sandwich truncated conical shells reinforced by FGM stiffeners filled inside by elastic foundations”, Applied Mathematics and Mechanics (English Edition) 37(7), pp. 879 – 902.

[7]. Dung D.V., Nga N.T. (2016), “Thermo-mechanical postbuckling analysis of eccentrically stiffened FGM sandwich plates with general Sigmoid and power laws based on TSDT”, Journal of Sandwich Structures and Materials (DOI: 10.1177/1099636216682545.  First Published December 23, 2016).

[8]. Dung D.V., Nga N.T., Hoa L.K. (2017), “Nonlinear stability of functionally graded material (FGM) sandwich cylindrical shells reinforced by FGM stiffeners in thermal environment”, Applied Mathematics and Mechanics (English Edition) 38(5), pp. 647–670.

[9]. Dung N.T., Nga N.T., Vuong P.M. (2017), “Nonlinear stability analysis of stiffened functionally graded material sandwich cylindrical shells with general Sigmoid law and power law in thermal environment using third-order shear deformation theory”, Journal of Sandwich Structures and Materials (DOI: 10.1177/1099636217704863. First Published April 18, 2017).