-During academic years, (1982-1986) on contracts with A.G.C.D. (Belgian Ministry of Co-operation), Nguyen Dang Hung is a permanent professor at Polytechnic Faculty, University of Kinshasa Zaire. He gives the following courses:

         -Applied Static (30 h + 30 h, First year of Engineering study)

         -Strength of material and elasticity (45 h + 45 h, 2nd year)

         -Stability (45 h + 45 h, 3rd year)

         -Metallic constructions (60 h + 60 h, 4th year)

         -Applied Mechanics (30 h + 30 h, 4th year)

         -Advanced studies of stability (30 h + 30 h, 5th year)

 -During the period from 15th to 19th July 1985, Nguyen Dang Hung is invited by the International Centre of Mechanical Sciences, Udine, Italy to give four lectures in the topic of "Applications of mathematical Programming Technique to Plastic analysis and Design".

 -During the period from 26th October to 26 January, Nguyen Dang Hung is invited by l'A.G.C.D. (Belgian Ministry of Co-operation) to give the following lectures in Polytechnic Faculty, University of Kinshasa, Zaïre:

      -Elasticity (15 h + 15 h)

      -Stability (45 h + 45 h)

      -Applied Mechanics (30 h + 30 h)

      -Advanced Studies of Stability (30 h + 30 h)

-During the period from 15th to 17th November 1988, NGUYEN DANG HUNG is invited by the Society AMTECH Liège and “Aerospatiale-Division Hélicoptères” (Marignane, France) to give a course on the topic "Fracture Mechanics and the Finite Element Approaches".

-During the period from 17th to 20th January 1989, NGUYEN DANG HUNG is invited by the Society SAMTECH (Liège) and Aerospatiale, Service de calcul des structures, (Toulouse, France) to give a course about "Finite Element Method in Fracture Mechanics".

-During the period from 19th to 21st June, 1990 NGUYEN DANG HUNG is invited by the society SAMTECH (Liège) to give a course on the topic "The SAMCEF Package and the Computational Fracture Mechanics".

-During the period from October from 8 to 12.1991 NGUYEN DANG HUNG is invited by the Technical University of POZNAN, Institute of technological constructions, Poland to give a cycle of lecture on the topic: "Limit analysis and limit design of frame structures".

-During the period of October from 14 to 18.1991 NGUYEN DANG HUNG is invited by the Technical University of Krakow, Institute of Civil Engineering, Poland to give a cycle of lecture on the topic: "Computation of limit and shakedown design of frame structures".

-During the period from May 30 to June 4. 1992, NGUYEN DANG HUNG is invited by the Technical University of Budapest, Hungary, Department for Steel Structures to give a cycle of lecture on the topic: "Direct plastic limit analysis and limit design of frame structures under proportional and variable loadings".

- During the period from 2nd to 23rd January 1993, he is invited by Institute of Applied Mechanics, and Institute of Technology of Ho Chi Minh city, Vietnam, to give a un cycle lecture on (in Vietnamese)

      "Limit Analysis and design of structures under complex loadings".

- During the period from 17 to 21 June 1993, NGUYEN DANG HUNG is invited by the "Istituto Superior Tecnico, Departemento de Engenharia Civil" (Prof. Teixeira de Freitas), Portugal, to give lessons on the topic:  "The monotonous convergence of the pure and metis finite element models"

      "The double singular metis finite elemnent useful for cracked structures"

- During the period from 17th to 21st June 1993, he is invited by “Istituto Superior Tecnico, Departemento de Engenharia Civil” (Prof. Teixeira de Freitas), Portugal, to give two lessions on the topic:

      "The monotony of the convergency of the pure and “metis» finite element " and “On the double singularity of an “metis”  finite element useful in crack problems”

       - During the period from 24th to 28th January 1994, he is invited Institute of Applied Mechanics, and Institute of Technology of Ho Chi Minh city, Vietnam, to give a un cycle lecture on "Advanced mechanics of solids".

       - During the period from 11th to 15th July 1994, he is invited by Institute of Applied Mechanics, and Institute of Technology of Ho Chi Minh city, Vietnam, to give a un cycle lecture on "Introduction to boundary elements”.

       - During the period from 8th February to 8th March the from the first to 30th July 1996, he is invited by University of Aix-Marseille II, Department UNIMECA (Prof. D. Dufresne) to give a cycle of lectures on (in French):

"La fissuration et le calcul de ténacité par les méthodes numériques dans le SAMCEF"

       - During the period from 21st to 22nd October 1996, he is invited by Prof. Tran Ich Thinh, Institute of Technology of Hanoi to give two seminars on: «Introduction to fracture mechanics» and « The finite element method and the fracture mechanics ».

       - During the period from 24th to 25th October 1996, he is invited by Prof. Phan Ky Phung, Rector of the University of Da Nang, Vietnam to give two seminars on: «Introduction to fracture mechanics» and « The finite element method and the fracture mechanics ».

       - During the period of 24th February to First March 1997, he is invited by University of Aix-Marseille II, Department UNIMECA (Prof. D. Dufresne) to give a cycle of lectures on (in French): "Introduction de la méthode des éléments aux frontières"

       - From September 1995 to December 2000, he is invited by Institute of Technology of Ho Chi Minh city under the auspice of the EMMC programme to give ten lectures on the topics (in Vietnamese):

«Modelisation in solids and structures under non linear conditions », « Fracture mechanics», « Boundary element method »

       - During the period from 10th April to 16^th June 2000, he is invited by University Montpellier II, Laboratory LGCM, and (Profs René Motro et Christian Licht) to give cycle of lectures on (in French): "Comportements non linéaires des solides"

       - During the period of 9th to 14th October 2000, he is invited by University of New South of Wales (Prof. Francis Tin-Loi) to give a seminar on the theme: "On the equilibrium elements and their role in structural mechanics".