Ionel-Dumitrel Ghiba's Homepage

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Ionel - Dumitrel Ghiba's Homepage

CONTACT

Activities

Alexandru Ioan Cuza
University of Iasi,
Department of Mathematics,
Blvd. Carol I, no. 11,
700506- Iasi, Romania

Octav Mayer Institute of Mathematics, Romanian Academy, Iasi Branch,
Bd. Carol I, no. 8, 700505-Iasi, Romania

E-mail: dumitrel.ghiba@uaic.ro

Conferences and seminars

Geometrically nonlinear Cosserat shell models: Modelling and existence of solutions, International Conference on Elliptic and Parabolic Problems: GAETA 2024
Convexity types in plane elasticity and their relations, Center for Nonlinear Analysis and Applications Scientifc Seminar University of Craiova, 27 November 2023
Mathematical modeling of elastic webs using Cosserat theory, Center for Nonlinear Analysis and Applications Scienti?c Seminar University of Craiova, 28 November 2023
Convexity concepts in nonlinear planar elasticity, XV?eme Colloque Franco-Roumain de Math?ematiques Appliquees Toulouse, 29 August - 2 September 2022
Mathematical Models and Methods in Classical and Generalised Elasticity, 7th French-Romanian Summer School on Applied Mathematics, July 2022
A new Cosserat shell model: modelling and existence of the solution, Workshop for Young Researchers in Mathematics-Analysis, PDEs & Applied Mathematics, 10th edition, May 20-21, 2021.
Modelling and existence results in the Cosserat shell theory, CAIM, 17-18 September 2021, online.
Policonvexitate vs convexitate de rang unu în 2D, Zilele Universitatii Alexandru Iona Cuza, Sesiune speciala dedicate domnului prof. Stan Chirita la implinirea varstei de 70 ani, 25 Octombrie 2019.
Well-posedness of nonstandard relaxed models including novel micro-inertia terms, 2019 EMI International Conference-Lyon, 3-5 July, 2019.
Rank-one convexity and polyconvexity for some classes of functions, Workshop in analysis, differential equations and mechanics, ICUB and Faculty of Mathematics, University of Bucharest, 9 November, 2018.
Existence results in relaxed micromorphic continuum model, ETAMM 2018, Krakow, Poland, 18-22 July, 2018 (with P. Neff and R. Martin)
A non-rank-one convexity result involving geodesically motivated logarithmic strain measures, ISDMM, 26-29 June, Lyon, Franta, 2017. (with P. Neff and R. Martin)
About some questions regarding the polyconvexity and rank-one convexity of Hencky-type energies and loss of ellipticity, Emerging trends in applied mathematics and mechanics, Laboratory of Mathematics and Physics, Perpignan, France, 30 Mai -3 June 2016. (with P. Neff and R. Martin)
On some Hencky-type energies, XIII-eme Colloque Franco-Roumain de Mathematiques Applieques, Alexandru Ioan Cuza of Iasi, Romania, 25-29 August 2016. (with P. Neff and R. Martin)
Loss of ellipticity for non-coaxial plastic deformations in additive logarithmic nite strain plasticity and other related results on Hencky-type energies, 86th Annual Meeting of the GAMM, Braunschweig, Germany, March 7-11, 2016. (with P. Neff and R. Martin)
The relaxed micromorphic continuum model, 85th Annual Meeting of the GAMM, Erlangen, Germany, March 10-14, 2014. (with P. Neff and A. Madeo) pdf
On the study of Saint-Venant problem for porous cylinders using a semi-inverse method, University of Duisburg-Essen, Faculty of Mathematics, September 27, 2012.
Semi-inverse solutions for the deformation of porous cylinders, 8th European Solid Mechanics Conference, Graz, Austria, July 9-13, 2012.
Representation formulas and existence results in the theory of micropolar solid-fluid mixtures under steady state vibrations, 6th European Congress of Mathematics, Krakow, Poland, July 2-7, 2012.
Homogeneous and inhomogeneous plane waves in elastic materials with voids, International Conference on Material Modelling (ICMM2), Paris, France, August 29-September 3, 2011.
Strong ellipticity and waves in elastic materials with voids, The Seventh Congress of Romanian Mathematicians, Brasov, Romania, June 29- July 5, 2011.
Homogeneous and inhomogeneous plane waves in elastic materials with voids, in the Nonlinear Water Waves Programmes, The Erwin Schrodinger International Institute for Mathematical Physics (ESI), Vienna, Austria, June 14, 2011.
On the asymptotic partition of energy in micromorphic thermopiezoelectricity, 9th International Congress on Thermal Stresses, Budapest, Hungary, June 5-9, 2011. (with C. Gales and I. Ignatescu)
On uniqueness and continuous dependence in the theory of micropolar thermoelastic mixtures, International Conference on Mathematics and Mathematical Sciences (ICMMS2010), Paris, France, October 27-29, 2010. (with C. Gales)
On the relaxed Saint-Venant's problem for transversely isotropic porous elastic circular cylinder, 10eme Colloque Franco-Roumain de Mathematiques Appliquees, Poitiers, France, August 2010.
Some estimates describing the behaviour of the solution in micropolar solid-fluid mixture theory, International Student Conference on Pure and Applied Mathematics, Iasi, Romania, July 2010.
Representations of the solution and existence results in micropolar solid-fluid mixtures theory, "Alexandru Myller" Mathematical Seminar Centennial Conference, Iasi, Romania, June 2010.
On the existence and behaviour of the solution in the theory of micropolar mixtures, "Alexandru Myller'' National Mathematics Conference for University Students , Iasi, Romania, July 2009.
On the deformation of elastic cylinders with voids, 9eme Colloque Franco-Roumain de Mathematiques Appliquees, Brasov, Romania, August 2008.
Existence and Uniqueness Results in the Micropolar Mixture Theory of Porous Media, ICAADE, Iasi, Romania, September 2006.
On the Micropolar Mixture Theory of Porous Media, Conference of young scientists, Computer Algebra and Scientific Computation, Chisinau, Republica Moldova, September 2006.

Academic visits

University of Duisburg-Essen, Faculty of Mathematics, April 29-Mai 9, 2017.
University of Duisburg-Essen, Faculty of Mathematics, November 28-December 5, 2016.
University of Duisburg-Essen, Faculty of Mathematics, June 6-July 4, 2013.
University of Duisburg-Essen, Faculty of Mathematics, August 27-September 29, 2012.
International Centre for Mechanical Sciences (CISM), Udine, Italy, May 21-25, 2012.
International Centre for Mechanical Sciences (CISM), Udine, Italy, September 19-23, 2011.
The Erwin Schrodinger International Institute for Mathematical Physics (ESI), Vienna, Austria, June 12-26, 2011.

Member in organizing committees of conferences

Chairman of the International Student Conference on Pure and Applied Mathematics (ISCOPAM), Iasi, Romania, July 2010.
Founder and coordinator (together with CSII. Dr. Adina Ciomaga) of the working group/scientifc seminar on Nonlinear Analysis, PDE and Mathematical Modeling, since February 2025 to present (5 invited speakers and visits supported by private sponsors)
Project manager, Summer school INFORMAT, July 2022
Assistant project manager, Summer school INFORMAT, September 2021
Assistant project manager, Summer school INFORMAT, July 2020
Local Organizing Committee of Multi-scale (time and mass) dynamics of space objects, Iasi, Romania, July 2020
Chairman of the International Student Conference on Pure and Applied Mathematics (ISCOPAM), Ia?si, Romania, July 2010

Grants

Member in the following grants:
- CERES-2-CEx06-11-12/2006 - Project manager Prof. Dr. Sanda Cleja-Tigoiu, hosted by University of Bucharest.
- CERES-2-CEx06-11-56/2006 - Project manager Prof. Dr. Stan Chirita, hosted by Alexandru Ioan Cuza University of Iasi.
- CEEX-72, no. 1510/2006 - Project manager Lect. Dr. Catalin Gales, hosted by Alexandru Ioan Cuza University of Iasi.
- ID-401, no. 15/2007 - Project manager Prof. Dr. Stan Chirita, hosted by Alexandru Ioan Cuza University of Iasi.
- ID-89, no. 457/2008 - Project manager Conf. Dr. Mircea Birsan, hosted by Alexandru Ioan Cuza University of Iasi.
- TE-184, no. 86/2010 - Project manager Lect. Dr. Catalin Gales, hosted by Alexandru Ioan Cuza University of Iasi.
- PN-II-ID-PCE-2011-3-0521, Project manager CSII. Dr. Liviu Marin, hosted by Institute of Solid Mechanics of the Romanian Academy.
- PN-II-RU-TE-2014-4-1109/2015, Project manager Conf. Dr. Ionel Rovent?a, hosted by University of Craiova
- GAR2023 Project no. 73, Project manaager CSII. Dr. Adina Ciomaga, hosted by Iasi Branch of the Romanian Academy
Project manager:
- BD-300/2008, hosted by Alexandru Ioan Cuza University of Iasi.
- PN-II-RU-TE-2014-4-0320, no. 127, 01/10/2015, hosted by Alexandru Ioan Cuza University of Iasi.
- PN-III-P1-1.1-TE-2019-0348 hosted by the Alexandru Ioan Cuza University of Iasi
- PN-III-P1-1.1-MC-2019-1425, PN-III-P1-1.1-MC- 2018-1721, PN-III-P1-1.1-MC- 2017-1271 hosted by the Alexandru Ioan Cuza University of Iasi
- PN-III-P1-1.1-TE-2016-2314, hosted by the Alexandru Ioan Cuza University of Iasi.

MEMBER OF NATIONAL COMMISIONS

Member of the Mathematics Committee of the National Council for Scientific Research, since 2025
Evaluator for the Executive Unit for Financing Higher Education, Research, Development and Innovation (UEFISCDI), since 2020
Evaluator for National Authority for Scientific Research (ANCS), since 2025

EXPERIENCE IN ELABORATION OF THE ANALYTICAL REPORTS AND KNOWLEDGE OF THE CURRICULA

Advanced Research Program Delivery Expert in the project POCU POCU/993/6/13/153322: Educational and formative support for doctoral students and young researchers in preparation for entering the labour market
Participation in the Workshop on Developing Quality Assessment Competencies in Higher Education, 2024
Participation in the Conference Good Practices in Quality Management, October 28-29, 2024, Alexandru Ioan Cuza University of Iasi
Responsible for the Master of Applied Mathematics program 2020-2024
Responsible for the elaboration of the bachelor's degree program in mathematics-computing in English, 2025