The move from drawing board to CAD and digitalhumanmodeling (DHM) has dramatically reduced the time necessary for car design, R&D, and production. But this technological advance has created a gap between the not...
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In order to adapt actual motion data of a person to a digital manikin, we developed a method of estimating the functional joint rotation centers for the whole manikin body. By using this method, the positions of joint...
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'Emotional controlling' is a very efficient way to realize autonomous behaviour of digitalhuman models by closed loop controls. In particular this is an emotional optimization procedure based upon the 'He...
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3D digitalhumanmodeling (DHM) tools for vehicle packaging facilitate ergonomic design and evaluation based on anthropometry, comfort, and force analysis. It is now possible to quickly predict postures and positions ...
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The human shoulder plays an important role in human posture and motion, especially in scenarios in which humans need achieve tasks with external loads. The shoulder complex model is critical in digitalhumanmodeling ...
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The purpose of this study is to propose a method to evaluate operations involving forearm torsion, such as screw driving and knob turning, for digitalhuman models. The rotational ranges of an object gripped with a ha...
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In this paper we describe novel computational methods being used to facilitate analysis and design of textile fabrics used in functional clothing systems to protect people from threats such as extreme temperatures, ra...
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ISBN:
(纸本)9780791843048
In this paper we describe novel computational methods being used to facilitate analysis and design of textile fabrics used in functional clothing systems to protect people from threats such as extreme temperatures, radiation, ballistics, and hazardous chemicals. A multi-scale modeling approach is taken to attack this challenging problem. Beginning at the length scale of individual fiber diameters (tens to hundreds of microns), we use unit-cell methods to model frictional stick-slip interactions under various modalities of loading which give rise and contribute to the nonlinear and dissipative characteristics of textile fabrics. After assimilating these micro-scale interactions into mesoscale material models, we again use unit-cell methods to study the mechanical interactions between yams with diameters on the order of millimeters. In particular, the nonlinear, anisotropic, and irreversible behaviors of fabrics are explored at finite deformations under various modalities of loading with these mesoscale unit cell models. Finally, we discuss how material models that integrate all of these structure-dependent behaviors are incorporated into macroscopic clothing models which are ultimately draped onto active digitalhuman models.
Both experimental and numerical simulations were attempted to investigate postural changes of sitting occupants such as seat back pressure distribution and lordotic curvatures of lumbar spine with the different config...
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The ease of getting into and out of passenger cars and light trucks is a critical component of customer acceptance and product differentiation. In commercial vehicles, the health and safety of drivers is affected by t...
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digitalhumanmodeling (DHM) progress worldwide will be much faster and cohesive if the diverse community now developing simulations has a global blueprint for DHM, and is able to work together efficiently. DHM develo...
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