Analysis of the Influence of Thermal Loading on the Behaviour of the Earth’s Crust
Source abstract
Abstract
The article focuses on the deformation and strain-stress analysis of the Earth’s crust under external thermal loading. More specifically, the influence of cyclic changes in the surface temperature field on the stress and displacement inside the crust over a two-year time span is investigated. The finite element program MSC.Marc Mentat was used to calculate the stresses and displacements. For practical analysis reasons, the Earth’s crust is simplified as a planar, piecewise homogeneous, isotropic model (plane strain), and time-varying temperature functions of illumination (thermal radiation) from the Sun are considered in the local isotropy sections of the model. Interaction between the Earth’s crust and mantle is defined by the Winkler elastic foundation. By applying a probabilistic approach (Monte Carlo Method), a new stochastic model of displacements and stresses and new information on crustal displacements relative to the Earth’s mantle were obtained. The results proved the heating influence of the Sun on the Earth’s crust and plate tectonics.
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Research context
OpenAlex topics: Planetary Science and Exploration · High-pressure geophysics and materials · Heat Transfer and Mathematical Modeling
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Institute of Physics in Opava, Silesian University in Opava, Bezručovo Náměstí 1150/13, 746 01 Opava, Czech Republic
Department of Applied Mechanics, Faculty of Mechanical Engineering, VSB—Technical University of Ostrava, 17. Listopadu 2172/15, 708 00 Ostrava, Czech Republic
Institute of Emergency Medicine, Faculty of Medicine, University of Ostrava, Syllabova 19, 703 00 Ostrava-Vítkovice, Czech Republic
Funding
Application of Modern Computational and Experimental Approaches in Applied Mechanics · Computational and experimental modeling in the tasks of applied mechanics and biomechanics · Innovative Therapeutic Methods of Musculoskeletal System in Accident Surgery · Innovative and additive manufacturing technology—new technological solutions for 3D printing of metals and composite materials · European Union and from the state budget of the Czech Republic
References (46)
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