Class molecular.MolecularPiston 

java.lang.Object
   |
   +----java.awt.Component
           |
           +----java.awt.Container
                   |
                   +----java.awt.Panel
                           |
                           +----java.applet.Applet
                                   |
                                   +----sTools.SApplet
                                           |
                                           +----molecular.MolecularPiston
public class MolecularPiston
extends SApplet

Constructor Index

o MolecularPiston()
 

Method Index

o addParticle(double, double, double, double, double)
Adds one particle to the ensemble
o addParticleDataSource(int)
 
o createParticles(int)
 
o forward()
Start the animation
o getAppletInfo()
 
o getBWPos()
Returns the bottom wall position
o getEnsembleID()
Returns the id of the ensemble.
o getHistogramID(int, double, double)
Returns the id of the velocity histogram.
o getLWPos()
Returns the left wall position
o getParameter(String, String)
 
o getParameterInfo()
 
o getPistonPos()
 
o getRWPos()
Returns the right wall position
o getTWPos()
Returns the top wall position
o init()
 
o pause()
Stop the animation
o removeParticle(int)
Removes ith particle from ensemble
o removeWallTemp(String)
 
o setAutoRefresh(boolean)
 
o setBackgroundRGB(int, int, int)
Sets Background color inside piston
o setBG2Color(int, int, int)
Sets Background color above piston head
o setBoltzmann(double)
 
o setBorderWidth(int)
 
o setDefault()
 
o setDefaultColor(int, int, int)
Sets default color when adding new particles.
o setDefaultMass(double)
Sets default mass when adding new particles.
o setDefaultPiston()
 
o setDefaultSize(double)
Sets default size when adding new particles.
o setDefaultTemp(double)
 
o setDelay(int)
Sets calculation time delay
o setDt(double)
Sets calculation time step
o setFPS(int)
Sets frames per second of animation
o setGravity(double)
Sets Gravitational constant that acts on piston
o setInitialPistonPos(double)
 
o setKE(double)
Puts value in kinetic energy field
o setMaxParticles(int)
Sets maximum number of particles that can be stored in arrays
o setOrientation(String)
 
o setParticleMass(int, double)
Sets mass of particle default value is 1 unit.
o setParticlePos(int, double, double)
Sets Position of particle
o setParticleRGB(int, int, int, int)
Sets color of particle
o setParticles(int)
 
o setParticleVel(int, double, double)
Sets Velocity of particle
o setPeriodicH(boolean)
Sets Periodic periodic boundary conditions
o setPeriodicV(boolean)
Sets Periodic periodic boundary conditions
o setPiston(String, boolean)
 
o setPistonMass(double)
Sets Mass of piston
o setPpu(int)
Sets pixels per unit of ensemble
o setShowControls(boolean)
Shows or hides control panel
o setTemp(double)
Set the temperature of the ensemble in 1 step.
o setTemperature(double, int)
Set the temperature of the ensemble in n steps.
o setVolume(double, int)
Move the piston to set the volume for the ensemble.
o setVolumeIsothermal(double, int)
Move the piston to set the volume for the ensemble.
o setWallTemp(String, double)
Sets Velocity of particle
o start()
 
o stepForward()
Steps simulation forward one time step

Constructors

o MolecularPiston 

 public MolecularPiston()

Methods

o getParameter 

 public String getParameter(String key,
                            String def)

o init 

 public void init()
Overrides:
init in class Applet

o start 

 public void start()
Overrides:
start in class Applet

o getAppletInfo 

 public String getAppletInfo()
Overrides:
getAppletInfo in class Applet

o getParameterInfo 

 public String[][] getParameterInfo()
Overrides:
getParameterInfo in class Applet

o setShowControls 

 public void setShowControls(boolean s)
Shows or hides control panel
Parameters:
s - boolean

o pause 

 public void pause()
Stop the animation

o forward 

 public void forward()
Start the animation

o stepForward 

 public void stepForward()
Steps simulation forward one time step

o addParticle 

 public int addParticle(double xin,
                        double yin,
                        double xvel,
                        double yvel,
                        double r)
Adds one particle to the ensemble
Parameters:
xin - double initial xposition
yin - double initial yposition
xvel - double initial x-velocity
yvel - double initial y-velocity
r - double particle radius
Returns:
s int particle number

o createParticles 

 public void createParticles(int n)

o addParticleDataSource 

 public int addParticleDataSource(int i)

o setParticleRGB 

 public void setParticleRGB(int i,
                            int rd,
                            int gr,
                            int bl)
Sets color of particle
Parameters:
i - int particle number
rd - int red value ( gr - int green value ( bl - int blue value (

o setParticleMass 

 public void setParticleMass(int i,
                             double m)
Sets mass of particle default value is 1 unit.
Parameters:
i - int particle number
m - double mass.

o setDefault 

 public void setDefault()

o setMaxParticles 

 public void setMaxParticles(int p)
Sets maximum number of particles that can be stored in arrays
Parameters:
p - max particles

o setAutoRefresh 

 public void setAutoRefresh(boolean ar)

o setBorderWidth 

 public void setBorderWidth(int w)

o setBackgroundRGB 

 public void setBackgroundRGB(int r,
                              int g,
                              int b)
Sets Background color inside piston
Parameters:
r - int red
g - int green
b - int blue

o setBG2Color 

 public void setBG2Color(int r,
                         int g,
                         int b)
Sets Background color above piston head
Parameters:
r - int red
g - int green
b - int blue

o setDefaultMass 

 public void setDefaultMass(double m)
Sets default mass when adding new particles. All particles created after calling this method will have this mass
Parameters:
m - double mass

o setDefaultSize 

 public void setDefaultSize(double r)
Sets default size when adding new particles. All particles created after calling this method will have this radius
Parameters:
r - double radius

o setDefaultColor 

 public void setDefaultColor(int r,
                             int g,
                             int b)
Sets default color when adding new particles. All particles created after calling this method will have this color
Parameters:
r - int red
g - int green
b - int blue

o setDefaultPiston 

 public void setDefaultPiston()

o setDefaultTemp 

 public void setDefaultTemp(double t)

o setParticlePos 

 public void setParticlePos(int i,
                            double xin,
                            double yin)
Sets Position of particle
Parameters:
i - int particle number
xin - double initial x-position
yin - double initial y-position

o setParticleVel 

 public void setParticleVel(int i,
                            double xvel,
                            double yvel)
Sets Velocity of particle
Parameters:
i - int particle number
xvel - double initial x-velocity
yvel - double initial y-velocity

o setInitialPistonPos 

 public void setInitialPistonPos(double h)

o setBoltzmann 

 public void setBoltzmann(double kb)

o setWallTemp 

 public void setWallTemp(String wall,
                         double t)
Sets Velocity of particle
Parameters:
wall - string Which wall? [top, bottom, right, left]
t - double The wall temperature

o removeWallTemp 

 public void removeWallTemp(String wall)

o setFPS 

 public void setFPS(int f)
Sets frames per second of animation
Parameters:
f - int

o setDt 

 public void setDt(double d)
Sets calculation time step
Parameters:
d - double timestep dt

o setDelay 

 public void setDelay(int d)
Sets calculation time delay
Parameters:
d - int delay milliseconds

o removeParticle 

 public void removeParticle(int i)
Removes ith particle from ensemble
Parameters:
i - int particle number

o setParticles 

 public void setParticles(int n)

o setTemp 

 public void setTemp(double temp)
Set the temperature of the ensemble in 1 step.
Parameters:
temp - double The new temperature.

o setTemperature 

 public void setTemperature(double temp,
                            int steps)
Set the temperature of the ensemble in n steps. Data will be sent to data listeners after each step.
Parameters:
temp - double The new temperature.
steps - int The number of steps.

o setPpu 

 public void setPpu(int p)
Sets pixels per unit of ensemble
Parameters:
p - int

o setPeriodicH 

 public void setPeriodicH(boolean p)
Sets Periodic periodic boundary conditions
Parameters:
p - boolean

o setPeriodicV 

 public void setPeriodicV(boolean p)
Sets Periodic periodic boundary conditions
Parameters:
p - boolean

o setKE 

 public void setKE(double k)
Puts value in kinetic energy field
Parameters:
k - double value to be inserted in field

o setOrientation 

 public void setOrientation(String or)

o setVolume 

 public void setVolume(double vol,
                       int steps)
Move the piston to set the volume for the ensemble.
Parameters:
vol - The new volume.
numSteps - The number of dV steps for the move.

o setVolumeIsothermal 

 public void setVolumeIsothermal(double vol,
                                 int steps)
Move the piston to set the volume for the ensemble.
Parameters:
vol - The new volume.
numSteps - The number of dV steps for the move.

o setPiston 

 public void setPiston(String str,
                       boolean parsemode)

o getPistonPos 

 public double getPistonPos()

o getRWPos 

 public double getRWPos()
Returns the right wall position
Returns:
double

o getLWPos 

 public double getLWPos()
Returns the left wall position
Returns:
double

o getTWPos 

 public double getTWPos()
Returns the top wall position
Returns:
double

o getBWPos 

 public double getBWPos()
Returns the bottom wall position
Returns:
double

o getEnsembleID 

 public int getEnsembleID()
Returns the id of the ensemble. This id can be used to make data connections.
Returns:
int The id.

o getHistogramID 

 public int getHistogramID(int nbins,
                           double vmin,
                           double vmax)
Returns the id of the velocity histogram. This id can be used to make data connections.
Parameters:
nbins - int The number of bins in the histogram.
min - double The minimum velocity
max - double The maximum velocity
Returns:
int The id.

o setPistonMass 

 public void setPistonMass(double m)
Sets Mass of piston
Parameters:
m - double new mass of piston

o setGravity 

 public void setGravity(double gr)
Sets Gravitational constant that acts on piston
Parameters:
gr - double