Mathematical Models: Mechanical Vibrations, Population Dynamics, and Traffic Flow : an Introduction to Applied Mathematics |
From inside the book
Results 1-3 of 16
Page 299
... др da др + = 0 . δι dp dx ( 65.3 ) One appropriate condition in order to solve uniquely the partial differ- ential equation is an initial condition . With an nth order ordinary differential equation , n initial conditions are needed ...
... др da др + = 0 . δι dp dx ( 65.3 ) One appropriate condition in order to solve uniquely the partial differ- ential equation is an initial condition . With an nth order ordinary differential equation , n initial conditions are needed ...
Page 301
... др at Of + 3+ ( pu ( p ) ) = 0 др at + da др dp dx = 0 . ( 66.1a ) ( 66.1b ) One possible initial condition is to prescribe the initial traffic density p ( x , 0 ) = f ( x ) . We will solve this problem , that is determine the traffic ...
... др at Of + 3+ ( pu ( p ) ) = 0 др at + da др dp dx = 0 . ( 66.1a ) ( 66.1b ) One possible initial condition is to prescribe the initial traffic density p ( x , 0 ) = f ( x ) . We will solve this problem , that is determine the traffic ...
Page 306
... др . = dg d ( x — ct ) -- ct ) δι = dg d ( x — ct ) = -c dg d ( x — ct ) Thus it is verified that equation 67.1 is satisfied by equation 67.2 . Even though equation 67.1 involves both partial derivatives with respect to x and t , it can ...
... др . = dg d ( x — ct ) -- ct ) δι = dg d ( x — ct ) = -c dg d ( x — ct ) Thus it is verified that equation 67.1 is satisfied by equation 67.2 . Even though equation 67.1 involves both partial derivatives with respect to x and t , it can ...
Contents
NEWTONS | 6 |
OSCILLATION OF A SPRINGMASS SYSTEM | 12 |
QUALITATIVE AND QUANTITATIVE BEHAVIOR | 18 |
Copyright | |
72 other sections not shown
Other editions - View all
Mathematical Models: Mechanical Vibrations, Population Dynamics, and Traffic ... Richard Haberman No preview available - 1998 |
Common terms and phrases
amplitude of oscillation analyze approximation Assume birth c₁ calculation characteristics Consider constant coefficient corresponding d2x dt2 damping de/dt decreases delay depend derived determine difference equation discussed dx dt dx/dt energy integral equilibrium population equilibrium solution equivalent example exercise exponential Figure formula function growth rate Hint increases initial conditions initial value problem isoclines linearized stability analysis logistic equation mass mathematical model maximum method of characteristics motion moving N₁ Newton's nonlinear pendulum number of cars obtained occur ordinary differential equations oscillation P₁ partial differential equation period phase plane Pmax population growth potential energy r₁ result sharks shock Show shown in Fig simple harmonic motion Sketch the solution sketched in Fig slope solution curves solve species spring spring-mass system stable straight line Suppose Taylor series tion traffic flow trajectories Umax unstable equilibrium position variables vector x₁ yields zero