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Generation of Postured Voxel-based Human Models for the Study of Step Voltage Excited by Lightning Current : Volume 9, Issue 6 (29/07/2011)

By Gao, J.

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Book Id: WPLBN0003983174
Format Type: PDF Article :
File Size: Pages 7
Reproduction Date: 2015

Title: Generation of Postured Voxel-based Human Models for the Study of Step Voltage Excited by Lightning Current : Volume 9, Issue 6 (29/07/2011)  
Author: Gao, J.
Volume: Vol. 9, Issue 6
Language: English
Subject: Science, Advances, Radio
Collections: Periodicals: Journal and Magazine Collection (Contemporary), Copernicus GmbH
Publication Date:
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications


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Gao, J., O. Mülle, W. F., Weiland, T., & Munteanu, I. (2011). Generation of Postured Voxel-based Human Models for the Study of Step Voltage Excited by Lightning Current : Volume 9, Issue 6 (29/07/2011). Retrieved from

Description: Graduate School of Computational Engineering, Technische Universität Darmstadt, Dolivostraße 15, 64293 Darmstadt, Germany. With the development of medical technique and computational electromagnetics, high resolution anatomic human models have already been widely developed and used in computation of electromagnetic fields induced in human body. Although these so called voxel-based human models are powerful tools for research on electromagnetic safety, their unchangeable standing posture makes it impossible to simulate a realistic scenario in which people have a lot of different postures. This paper describes a poser program package which was developed as an improved version of the free-from deformation technique to overcome this problem. It can set rotation angles of different human joints and then deform the original human model to make it have different postures. The original whole-body human model can be deformed smoothly, continuity of internal tissues and organs is maintained and the mass of different tissues and organs can be conserved in a reasonable level.

As a typical application of the postured human models, this paper also studies the effect of the step voltage due to a lightning strike on the human body. Two voxel-based human body models with standing and walking posture were developed and integrated into simulation models to compute the current density distribution in the human body shocked by the step voltage. In order to speed up the transient simulation, the reduced c technique was used, leading to a speedup factor of around 20. The error introduced by the reduced c technique is discussed and simulation results are presented in detail.

Generation of postured voxel-based human models for the study of step voltage excited by lightning current

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