Author(s): Anna Johansson, Erik Svensson and Maja Andersson

Abstract: The study of nonlinear dynamics in solid mechanics is essential for understanding the complex behavior of materials under extreme conditions, such as high temperatures, large deformations, and severe loading. This research aims to analyze the material response to extreme mechanical and thermal environments, focusing on the nonlinear phenomena that influence the performance and stability of engineering materials. The methodology incorporates advanced computational models, including finite element analysis (FEA), to simulate material behavior under varying stress and strain conditions. Experimental data from high-pressure tests and dynamic loading scenarios are used to validate the models. The findings reveal that nonlinear effects, such as plasticity, viscoelasticity, and strain hardening, play a significant role in determining the material’s performance in extreme conditions. These effects are most pronounced in materials like polymers, metals, and composite structures, where traditional linear models fail to capture the full scope of material behavior. The research highlights the importance of integrating nonlinear models into the design and analysis of materials used in aerospace, automotive, and structural engineering applications, where safety and reliability are paramount. The study also suggests avenues for further investigation into the influence of microstructural properties on material response and the development of predictive models for future material innovations.

DOI: 10.22271/2707806X.2025.v6.i2a.45

Pages: 12-17 | Views: 33 | Downloads: 11

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