A Practical Simulation Method of the Contact Pressure Distribution of Underpants for Comfortable Design and Its Experimental Verification

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  • 下着の着心地評価のための接触面圧分布シミュレーション

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Abstract

<p>This paper demonstrates a practical method for simulating the wearing of underpants by a human, and for evaluating the contact pressure distribution between the underpants and the body. First, an experiment for verifying the simulation method is introduced using a simple shorts model and a rigid dummy model. Then the wearing simulation is presented and the simulated results are compared with the results obtained in the experiment. By a verification of the simulated contact pressure distribution, the proposed simulation method is shown to be a useful one in practice. Next, an application of the simulation method is performed as an example. It predicts the transformation of contact pressure distribution between shorts and a human body during a sitting motion. In this case, virtual abdomen and buttocks, which can be deformed as a hyper elastic body, and a simple shorts model are employed. Results are presented for a standing position, a half-crouching position and a seated position. These simulated contact pressure distributions are useful for designers as a way to gauge the comfort level of shorts, underpants or adult diapers during the virtual stage of the design process.</p>

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