PROCEDURE AND SYSTEM OF AUTOMATIC GEOMETRIC AND MECHANICAL ANALYSIS OF TUBULAR STRUCTURES.

摘要

Method of analysis of a substantially tubular vascular body having a wall with a wall thickness, said method comprising: 3D reconstruction (5, 6) of at least one structural component of at least a part of said vascular body from image data sets, generation (7) of a quadrilateral and / or hexahedral finite element mesh (EF) of said at least one structural component, realization (11) of a structural non-linear EF analysis of said at least a structural component, and thereby providing (12) therewith information data relating to geometric properties and internal mechanical load of at least a sub-part of said part of said tubular body for said analysis of said tubular body, in the that said generation of the aforementioned quadrilateral and / or hexahedral finite element mesh (EF) comprises using related light and exterior meshes of said wall of said cu vascular erpo, in which each node in a luminal inner edge of said wall has a duplicate in its outer edge for the formation of volume mesh of said wall, characterized by determining from said nodes of said meshes a distance between each of said duplicate nodes as said thickness of said wall in said duplicate nodes, and in which said meshes are used as a geometric input for said EF mesh generation.