nce.mech

Class ShellHead

java.lang.Object

nce.mech.ShellHead

Direct Known Subclasses:

ShellHeadASMEVIIId1UG32

public class ShellHead
extends java.lang.Object

Defines a shell head object class that can be extended to implement mechanical calculations like rating under internal or external pressure.

Version:

20160406

Author:

Carlo Tegano

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ShellHead.Shapes

Constructor Summary

Constructors

Constructor and Description
ShellHead()

Method Summary

Methods

Modifier and Type	Method and Description
double	getDesignPressure()
double	getDesignTemperature()
double	getJointEfficiency()
double	getMaxAllowStress()
double	getSolidVolume()
void	setDesignData(double desP, double desT, double maxAllStress, double jEff)
void	setDesignPressure(double desP)
void	setDesignTemperature(double desT)
void	setGeometry(ShellHead.Shapes shape, double iD, double sphRadius, double knuRadius, double innHeight, double strHeight, double actTh, double corrAllow) Generic method to assign head geometry
void	setGeometryEllipsoidal21(double iD, double strHeight, double actTh, double corrAllow) Sets the geometry of 2:1 Ellipsoidal head taking a spherical radius of 0.9D and knuckle radius of 0.17D and disregarding inner height
void	setGeometryHemispherical(double iD, double strHeight, double actTh, double corrAllow) Sets geometry of an hemispherical head
void	setGeometryTorispherical1006(double iD, double strHeight, double actTh, double corrAllow) Sets geometry of a torispherical head
void	setJointEfficiency(double jEff)
void	setMaxAllowStress(double maSigma)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ShellHead

public ShellHead()

Method Detail

setDesignData

public void setDesignData(double desP,
                 double desT,
                 double maxAllStress,
                 double jEff)

setGeometryEllipsoidal21

public void setGeometryEllipsoidal21(double iD,
                            double strHeight,
                            double actTh,
                            double corrAllow)

Sets the geometry of 2:1 Ellipsoidal head taking a spherical radius of 0.9D and knuckle radius of 0.17D and disregarding inner height

Parameters:

iD - internal diameter [m]

strHeight - straight flange height [m]

actTh - actual thickness [m]

corrAllow - corrosion allowance [m]

setGeometryHemispherical

public void setGeometryHemispherical(double iD,
                            double strHeight,
                            double actTh,
                            double corrAllow)

Sets geometry of an hemispherical head

Parameters:

iD - internal diameter [m]

strHeight - straight flange height [m]

actTh - actual thickness [m]

corrAllow - corrosion allowance [m]

setGeometryTorispherical1006

public void setGeometryTorispherical1006(double iD,
                                double strHeight,
                                double actTh,
                                double corrAllow)

Sets geometry of a torispherical head

Parameters:

iD - internal diameter [m]

strHeight - straight flange height [m]

actTh - actual thickness [m]

corrAllow - corrosion allowance [m]

setGeometry

public void setGeometry(ShellHead.Shapes shape,
               double iD,
               double sphRadius,
               double knuRadius,
               double innHeight,
               double strHeight,
               double actTh,
               double corrAllow)

Generic method to assign head geometry

Parameters:

shape - head shape, as specified in ShellHead.Shapes enumeration

iD - internal diameter [m]

sphRadius - spherical radius [m]

knuRadius - knuckle radius [m]

innHeight - inner height [m]

strHeight - straight flange height [m]

actTh - actual thickness [m]

corrAllow - corrosion allowance [m]

getSolidVolume

public double getSolidVolume()

getDesignPressure

public double getDesignPressure()

setDesignPressure

public void setDesignPressure(double desP)

getDesignTemperature

public double getDesignTemperature()

setDesignTemperature

public void setDesignTemperature(double desT)

getMaxAllowStress

public double getMaxAllowStress()

setMaxAllowStress

public void setMaxAllowStress(double maSigma)

getJointEfficiency

public double getJointEfficiency()

setJointEfficiency

public void setJointEfficiency(double jEff)