G2000-1-3 生活の中のコースティック像のコンピュータ・シミュレーション(技術と社会部門一般講演,社会変革を技術で廻す機械工学)

抄録

Caustic image is one of bright line images created by concentrating light rays. We can see the typical image like a half of a nephroid created at the bottom of a cup by reflected light from the wall. The method of caustics is an engineering application to evaluate stress intensity factors of cracks and contact forces of contact problems. This report deals with a computer program and simulation for caustic images observed in our daily life for easy understanding the principle of caustic. The computer program developed can simulate caustic images for variable conditions, such as the position and type of light source, the size and shape of the cup of object. This computer program is possible to apply to engineering problems as well.