Golden section(黄金分割).ppt

Golden section(黄金分割） Presented by 李志波 from College of Chemistry and Chemical Engineering （化学化工学院） Directory A. What is Golden Section 0.618 B. Origination C. ONE.The relationship between the ratio and human being D. TWO. Application in art E. THREE. The ratio in nature F. FOUR. Application in science G. How to construct a golden rectangle The golden section is a line segment(线段) divided according to the golden ratio， a : b=(a + b)：a = Another name golden number golden ratio golden mean (中庸之道） divine proportion（神圣分割） ∮=0.618a ratio which can cause sense of beauty1 ：0.618= 1.618：1 Proportionality（比例性 ） Artistry（艺术性） Concordance（和谐性) Rich aesthetic value(美学价值） Greatly common in nature Widely applied in architecture, painting, sculpture , management ,agriculture ,industry ,literature ,etc Leonardo da Vinci called it “Golden Number.” Directory Origination Pythagoras(毕达哥拉斯） Ancient Greekblacksmith‘s shop (铁匠铺） ?Beautiful blacksmith voice Rhythm Golden Section Mathematics method Directory ONE.The relationship between the ratio and human being . 14 Golden Points: ① Throat ②. Belly go up(肚跻) ③.Knees ④. elbow joints（肘关节） 【 6 vital parts（ 要害）！】,etc. 12 Golden rectangles Why the ratio is so beautiful? Ⅰ.Golden ratio of human body 2 golden rates1. wing of nose( 鼻翼）to mouse2. mouse to two outer canthal(两眼外眦） Audrey Hepburn Smile can be so beautiful! Ⅱ.The best latitude zone:34.38-55.62°,(90×0.618) Ⅲ.The most comfortable temperature:22-24℃(37×0.618=22.8) Ⅳ.The most beautiful stature Leg : Height = 0.618 : 1 Lengthening of legs cause beauty of sense high heel shoes Ⅴ.The best routine of work:4.5 days /week NOW: 250÷365 ≈ 0.685 Problems: causing stress , traffic jam ,decline in efficiency and quality of life , Proposal: 365ⅹ0.618 ≈226 Applied in UN, most developed countries of Europe ,No