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Technical Paper

Virtual Body Generator for Anthropometry and Physiology Based Modeling

2009-06-09
2009-01-2280
We believe that the future of human body testing in military and civilian applications is in using a new generation of “dummies” - “virtual humans”. CFDRC's CMB (Computational Medicine and Biology) research group has developed an integrated bioinformatics software framework for intelligent analysis of biomedical databases, generation of geometrical models for simulations, and modeling setup for human biomechanical and physiological performance. The integrated 3D Java based software framework is a fully user-interactive Virtual Body framework for creation and editing the Virtual Body and acting as a front end for multi-scale anthropometry/anatomy physics based simulation software. This paper presents a software framework for visual manipulation and processing of human body anthropometric, skeletal, joint, skin, vascular and other anatomical databases.
Technical Paper

Integrated Modeling Framework for Anthropometry and Physiology Virtual Body

2007-06-12
2007-01-2502
We believe that the future of human body testing in military and civilian applications is in using a new generation of “dummies” - “virtual humans”. CFDRC's CMB (Computational Medicine and Biology) research group has developed an integrated bioinformatics software framework for intelligent analysis of biomedical databases, generation of geometrical models for simulations, and modeling setup for human biomechanical and physiological performance. The integrated 3D Java based software framework is a fully user-interactive Virtual Body framework for creation and editing the Virtual Body and acting as a front end for multi-scale anthropometry/anatomy physics based simulation software. This paper presents a software framework for visual manipulation and processing of human body anthropometric, skeletal, vascular and other anatomical databases.
Technical Paper

Computational Analysis of Oil Pumps with an Implicit Pressure Based Method Using Unstructured Mixed Element Grids

1996-02-01
960423
This paper presents a novel computational method for the flow simulations in the automotive oil pumps. The objective of this effort is to develop an advanced Computational Fluid Dynamics (CFD) tool to improve oil pump designs and efficiency by detailed analysis of unsteady fluid flow patterns inside stationary and rotating passages of an oil pump. To achieve this goal, several state-of-the-art computational technologies have been implemented into a general purpose unstructured grid code to handle numerical difficulties posed by complex geometry and moving parts of oil pumps. Most challenging numerical issues resolved in this paper include moving/deforming cells inside pump pockets, arbitrary sliding interface to connect moving and stationary parts and large grid distortions due to the great volume change of the pump pockets etc. A practical validation case, a vane oil pump, is studied using the presented method. The numerical results are compared with available experiment data.
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