Individual Finite Element Model Based on the X-ray CT Data : Automated meshing algorithm adjusting to bony shape(Imaging &amp; Measurement)

Inou, Norio; Jonishi, Masaya; Koseki, Michihiko; Maki, Koutarou

doi:10.1299/jsmeapbio.2004.1.121

Cited by 2 publications

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“…Patient-specific modeling based on multi-sliced images such as CT or MRI data are a powerful method for biomechanical analyses of bones. There are various types of modeling methods based on multi-sliced images [1][2][3][4][5][6]. The first one is a method that directly divides a modeling space extracted from multi-sliced images into hexahedral elements [1].…”

Section: Introductionmentioning

confidence: 99%

“…The third is a method that expresses the object with small tetrahedral elements using a computerized mapping technique called the marching cubes method [3]. The fourth is a voxel modeling that represents a bony shape with small cubic elements [4]．And the fifth is a method that distributes nodal points in the objective space and divides the space into tetrahedral elements [5]. Among the methods, the voxel modeling has become the most popular method because of the simple algorithm.…”

Section: Introductionmentioning

confidence: 99%

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Patient Specific Finite Element Modeling of a Human Skull

Inou

Koseki

Maki

2006

Advances in Science and Technology

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This paper presents automated finite element modeling method and application to a biomechanical study. The modeling method produces a finite element model based on the multi-sliced image data adaptively controlling the element size according to complexity of local bony shape. The method realizes a compact and precise finite element model with a desired total number of nodal points. This paper challenges to apply this method to a human skull because of its intricate structure. To accomplish the application of the human skull, we analyze characteristics of bony shape for a mandible and a skull. Using the analytical results, we demonstrate that the proposed modeling method successfully generates a precise finite element model of the skull with fine structures.

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