Análisis del comportamiento mecánico en una sección de la aorta // Mechanical behavior analysis in an aorta section

Authors

  • A. González-Martin Instituto Central de Investigaciones Digitales - ICID. La Habana. Cuba
  • J. García-de la Figal Departamento de Mecánica Aplicada. Facultad de Ingeniería Mecánica Instituto Superior Politécnico “José Antonio Echeverría” – CUJAE Calle 114 #11901 e/119 y 127. Marianao. La Habana. CP 19390. Cuba.

Abstract

La importancia social de las enfermedades arteriales motiva el interés en desarrollar estudios sobre
el comportamiento mecánico de las paredes arteriales que aporten información para la práctica
médica, ya que estas enfermedades están fuertemente relacionadas con factores mecánicos como
son los estados de deformación y tensión. El presente trabajo ofrece una metodología para analizar
el comportamiento mecánico de una arteria (la aorta). Dicho análisis parte de una geometría real
construida a partir de imágenes médicas. En la formulación del modelo de elementos finitos se
escogió un material con comportamiento no-lineal, con grandes deformaciones, hiperelástico, nohomogéneo
y ortótropico. A la hora de analizar los resultados logrados y compararlos con los
resultados obtenidos por otros autores no es posible establecer una comparación debido a los
diferentes métodos de ensayo empleados por distintos autores y la dificultad en la
experimentación en arterias humanas, solo es posible establecer zonas criticas en las cuales se
presente algún tipo de enfermedad arterial.


Palabras claves: aorta, modelación, elementos finitos (EF), hiperelásticidad.

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Abstract
The social importance of the arterial illnesses motivates the interest in developing studies on the
mechanical behavior of the arterial walls. The medical practice has pointed that these illnesses are
strongly related with mechanical factors, such as states of deformation and tension as other related
parameters. The present work offers a methodology to analyze the mechanical behavior of an
artery (the aorta). This analysis uses a real geometry model that has been built based on medical
images. In the formulation of the finite elements model the material has been considered with a
no-linear behavior, with big deformations, hyperplasic, no-homogeneous and orthotropic. It is not
possible to establish comparisons between the achieved results and the ones obtained by other
authors. That is due to the different methods used by different authors and the difficulty in the
experimentation in humans. It was only possible to establish critical areas where some illnesses are
presented.


Key words: aorta, simulation, finite elements (EF), hiperelásticity

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How to Cite

1.
González-Martin A, García-de la Figal J. Análisis del comportamiento mecánico en una sección de la aorta // Mechanical behavior analysis in an aorta section. Ing. Mec. [Internet]. 2009 May 1 [cited 2025 Sep. 13];12(2):9-18. Available from: https://ingenieriamecanica.cujae.edu.cu/index.php/revistaim/article/view/62

Issue

Vol. 12 No. 2 (2009): may-august

Section

Original article

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