適応的時間刻み幅制御による着装シミュレーションの高速化

概要

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The cloth simulation which can respond to a consumer's KANSEI quickly is expected in the apparel business. Also cloth simulation technology is effective to online shopping that consumer can't wear clothes directly. We have constructed the cloth model based on physical properties by particle models. Particle models have been used for the cloth simulation, although it takes immense time in order to perform a cloth simulation. Therefore, the cloth simulation is not practical, since it cannot carry out on real time. Then, we improved the Runge-Kutta algorithm and developed the algorithm of changing the time step on the Runge-Kutta algorithm according to the internal strains. As a result, calculation speed was accelerated to a maximum of about 15 times of the conventional method. Moreover, the calculation error was shown to have no difference by the difference in the time step. Therefore the proposed adaptive control of time step was shown ton be valid in improvement in the cloth simulation speed.
日本感性工学会の論文