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HUMOS: Human model for safety~A joint effort towards the development of refined human-like car occupant models
Technical Paper
2001-06-0129
Sector:
Language:
English
Abstract
Car occupant safety is an increasing concern among car
manufacturers, their suppliers, user organizations and legislative
authorities. As for structural analysis, computer methods are more
and more widely used to optimize the effectiveness of safety
devices. However, no biofidelic numerical tools are currently
available. Furthermore, there is a need for a future harmonization
of the methods and tools used. The HUMOS program is a first step
toward the development of commonly accepted models and computer
methods. Fourteen partners were involved in this research program,
including car manufacturers, suppliers, software developers,
universities and public research organizations. It was launched in
December 1997 and is planned to be almost finished in March
2001.
The HUMOS program though was conceived as a three-fold project:
Synthesis and completion the current knowledge of the human body in
terms of geometry, kinematics behaviour, injury threshold and risk;
Implementation of this knowledge in new human body models;
Development of the utilities for the design office use, and
delivering of the models available for their integration in the car
design process.
A wide bibliographical review supported those major goals.
Afterwards, the geometry acquisition of a mid-sized male in a car
driver seated position was achieved. The main human body structures
were then reconstructed using a CAD method and delivered to the
so-called "modelling partners.' The meshing of the
different structures was achieved based on the CAD definition and
led to models accounting for skin, bones, muscles as well as the
main organs (lungs, heart, liver, kidneys, intestine etc.). The
validation process was undertaken on a segment basis, each main
part of the human body being confronted to the available literature
results. The assembly of the whole model will be the conclusive
part of this program.