Optimal Safe Load and Geometry for Layered Nanocomposites Under Thermomechanical Loading

Expected Results from the Project

All of the expected results of this fundamental research are specifically targeted and oriented towards obtaining and disseminating new knowledge and optimal solutions for combined loaded three-layer nanocomposites, among the scientific community and the public.

The expected results from Work Package 1 will provide a new powerful theoretical tool for rapid prediction regarding the stress-strain state of a three-layer nanocomposite under combined loading. The analytical model solutions for the two-dimensional stresses and strains are easily and quickly calculated (within a few seconds). This will save the conduct of expensive and labour-intensive experiments, as well as open new avenues in theoretical studies of three-layer nanocomposites.

Also, the anticipated results of Work Package 2 will provide valuable information to engineers on the design, material selection, and effective use (without failure) of three-layer nanocomposites under combined loading. For example, in the use of three-layer nanocomposites as materials, components and parts of various devices in microelectronics, in dentistry and surgery, in automotive and aerospace, in smart devices, sensors and many others.

	Expected results
Work Package 1 Activity 1	A set of analytical model solutions for the two-dimensional stresses and strains (axial, normal and shear) in each of the layers of the investigated three-layer nanocomposites subjected to different external loads and at different geometries.
Work Package 1 Activity 2	Model results for the influence of each of the external effects, as well as the choice of geometry, on the interfacial delamination in the studied three-layer nanocomposites
Work Package 1 Activity 3	Quantitative and qualitative analytical relationships on the causes and factors of delamination in combined loaded three-layer nanocomposites; graphs and tables with results of model stresses and strains in each layer of the studied three-layer nanocomposites; results of comparison of model results with other literature data (if exist)
Work Package 1 Activity 4	Papers / posters for public dissemination of the results at conferences in the country and abroad, at least 3 articles for publication in IF / SJR journals, first one-day seminar with public access, with review lectures and poster session for young scientists, book of abstracts from the seminar, project website, written first part (Modelling of Nanocomposites) of the monograph with project results, written and submitted on time the intermediate report of the project to Scientific Research Fund.
Work Package 2 Activity 1	Formulation of a multi-parametric optimization problem to determine the optimal safe intervals of external loads and the optimal geometry of combined loaded three-layer nanocomposites; Determined independent variables, parameters and optimization criterion of the multi-parametric optimization problem (without delamination)); Defined objective function of the multi-parametric optimization problem based on the obtained two-dimensional model analytical solutions for the interfacial stresses of a combined loaded three-layer nanocomposite as a function of the independent variables - layer thickness and length, the magnitude of mechanical and temperature loading, and the material characteristics of the nanocomposite; Performance and process constraints on the variables and parameters in the multi-parametric optimization problem in the form of inequalities.
Work Package 2 Activity 2	Optimization procedure GAMS for solving the multi-parametric optimization problem, determining both the optimal safe intervals of external effects and the optimal geometry, for the combined loaded three-layer nanocomposites investigated in Work Package 1; A set of optimal multi-parametric optimization problem solutions for the safe loads and geometry for a combined loaded three-layer nanocomposite satisfying the criterion of no delamination in it, under certain technological constraints.
Work Package 2 Activity 3	Figures and tables with the results of multi-parametric optimization problem solutions for the optimal safe load ranges and geometry of combined loaded three-layer nanocomposites; Recommendations for material selection in the design of new and existing three-layer nanocomposites, based on the results obtained; Results of the comparison of the obtained results for optimal safe loads and geometry in the studied nanocomposites, with other literature data.
Work Package 2 Activity 4	Papers / posters for dissemination of results at conferences in the country and abroad, at least 3 papers submitted for publication in IF / SJR journals, a second one-day workshop with public access, with review lectures and a poster session for young scientists, a book of abstracts from the second workshop, an updated project website, a second part (Optimization of Nanocomposites) of the monograph written and published, a final project report written and submitted in time to Scientific Research Fund.