What is it about?
This paper explains how the developed smeared methodology for mechanical problems (with its robustness) can replace complexity of computational models and significant efforts made for their development in the past. For the purpose of modeling process simplifications, the smeared mechanics concept was introduced by M. Kojic as a general concept for modeling the deformation of composite continua. A composite smeared finite element for mechanics (CSFEM) was formulated which consists of the supporting medium and immersed subdomains of deformable continua with mutual interactions. Interaction is modeled using 1D contact elements (for both tangential and normal directions), where the interaction takes into account appropriate material parameters as well as the contact areas.
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Why is it important?
The introduced concept is in the developing stage offering a basis that can further be modified and improved, in order to develop realistic 3D computational models that can reduce time required for modelling, with acceptable accuracy with respect to detailed models.
Perspectives
Generalization of the smeared methodology, with including fibrous structures, can lead to elegant modeling of complex cytoskeleton network inside cell models. Also, regarding modeling tumor growth process, extension to 3D problems would lead to more realistic models of volumetric deformations with geometry obtained from CT scans or uMRIs.
Vladimir Simic
Institute for Information Technologies, University of Kragujevac, Serbia
Read the Original
This page is a summary of: A novel composite smeared finite element for mechanics (CSFEM): Some applications, Technology and Health Care, March 2023, IOS Press,
DOI: 10.3233/thc-220414.
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