非线性物理:引言一一孤波 孤波物理:来源于两个方面:(1)实验发现;(2)数学分析。 ·当非线性动力系统的驱动力与耗散力处在一个精细的平衡状态 时,奇特的有序就会出现。 孤波的产生源于1849年苏格兰船舶工程师John Scott Russel在 试验船只设计效果时于一条浅水河中观测到的,事实上是一种 稳定的浅水波传播现象。 D.J.Korteweg和G.de Vires随后对这种特定的浅水波传播问题 进行了仔细分析,建立了描述水波传播的微分方程,史称KdV 方程:D.J.Korteweg and G.de Vires,Phil.Mag.39,422(1895)
非线性物理:引言--孤波 孤波物理:来源于两个方面:(1)实验发现;(2)数学分析。 • 当非线性动力系统的驱动力与耗散力处在一个精细的平衡状态 时,奇特的有序就会出现。 • 孤波的产生源于1849年苏格兰船舶工程师John Scott Russell在 试验船只设计效果时于一条浅水河中观测到的,事实上是一种 稳定的浅水波传播现象。 • D. J. Korteweg和G. de Vires随后对这种特定的浅水波传播问题 进行了仔细分析,建立了描述水波传播的微分方程,史称KdV 方程: D. J. Korteweg and G. de Vires, Phil. Mag. 39, 422 (1895)
非线性物理:引言一一孤波 Over 150 years ago,while conducting experiments to determine the most efficient design for canal boats,a young Scottish engineer named John Scott Russell (1808-1882)made a remarkable scientific discovery
非线性物理:引言--孤波 Over 150 years ago, while conducting experiments to determine the most efficient design for canal boats, a young Scottish engineer named John Scott Russell (1808-1882) made a remarkable scientific discovery
非线性物理:引言一一孤波 tIme=4 time=4
非线性物理:引言--孤波
非线性物理:引言一一孤波 John Scott Russell's Soliton Wave Re-created: On Wednesday 12 July 1995,an international gathering of scientists witnessed a re-creation of the famous 1834 'first' sighting of a soliton or solitary wave on the Union Canal near Edinburgh.They were attending a conference on nonlinear waves in physics and biology at Heriot-Watt University,near the canal.The occasion was part of a ceremony to name a new aqueduct after John Scott Russell,the Scottish scientist who made the original observation.The aqueduct carries the Union Canal over the Edinburgh City Bypass
非线性物理:引言--孤波 John Scott Russell's Soliton Wave Re-created: • On Wednesday 12 July 1995, an international gathering of scientists witnessed a re-creation of the famous 1834 'first' sighting of a soliton or solitary wave on the Union Canal near Edinburgh. They were attending a conference on nonlinear waves in physics and biology at Heriot-Watt University, near the canal. The occasion was part of a ceremony to name a new aqueduct after John Scott Russell, the Scottish scientist who made the original observation. The aqueduct carries the Union Canal over the Edinburgh City Bypass
非线性物理:引言一一孤波 Scott Russell Ac
非线性物理:引言--孤波
非线性物理:引言一一孤波
非线性物理:引言--孤波
非线性物理:引言一一孤波 In 1895,D.J.Korteweg and G.de Vires proposed the following equation to describe the solitary wave problem: V悟0(r+a+g Ou Su 03u GuOx =0 Ot 0x3
非线性物理:引言--孤波 In 1895, D. J. Korteweg and G. de Vires proposed the following equation to describe the solitary wave problem:
非线性物理:引言一一孤波 D.J.Korteweg: 荷兰科学家,著名 教育家 G.de Vires:Korteweg的博士生, 中学教师。 D.J.Korteweg
非线性物理:引言--孤波 D. J. Korteweg:荷兰科学家,著名 教育家 G. de Vires:Korteweg的博士生, 中学教师。 D. J. Korteweg
非线性物理:引言一一孤波 1955年,Enrico Fermi和John Pasta,及Stan Ulam三人开始研 究一维力学体系的能量均分问题,再次发现孤波行为
非线性物理:引言--孤波 1955年,Enrico Fermi和John Pasta及Stan Ulam三人开始研 究一维力学体系的能量均分问题,再次发现孤波行为
非线性物理:引言一一孤波 1955年,Enrico Fermi和John Pasta,及Stan Ulam开始研究一维力学体 系的能量均分问题,再次发现孤波行为:能量分布参量C()的演化。 12 10 8 (a) 7=0.02 6 2N 2N ×104 C(0=NΣE 12 j1 10 8 (b)7=0.06 10 15 (b)
非线性物理:引言--孤波 1955年,Enrico Fermi和John Pasta及Stan Ulam开始研究一维力学体 系的能量均分问题,再次发现孤波行为:能量分布参量C0(t)的演化