org.opensha.commons.calc
Class FaultMomentCalc

java.lang.Object
  org.opensha.commons.calc.FaultMomentCalc

public final class FaultMomentCalc
extends Object

Title: FaultMomentCalc

Description: This is a utility to calculate moment (in SI units: Newton-Meters) for given fault information

Version:

1.0

Author:

Ned Field

Field Summary

static double

SHEAR_MODULUS

Constructor Summary

FaultMomentCalc()

Method Summary

static double	getMoment(double area, double slip) This function calculates the moment (SI units) for the given fault area and average slip, assuming a shear modulus of 3e10 N-m.
static double	getSlip(double area, double moment) This function calculates slip for a given fault area and moment, assuming a shear modulus of 3e10 N-m.

Methods inherited from class java.lang.Object

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

Field Detail

SHEAR_MODULUS

public static final double SHEAR_MODULUS

See Also:

Constant Field Values

Constructor Detail

FaultMomentCalc

public FaultMomentCalc()

Method Detail

getMoment

public static double getMoment(double area,
                               double slip)

This function calculates the moment (SI units) for the given fault area and average slip, assuming a shear modulus of 3e10 N-m. Note that this also computes moment rate if slip rate is given rather than slip.

Parameters:

area: - the fault area (in square Meters)

slip: - the ave slip (in Meters)

Returns:

Moment (in Newton-Meters) or moment rate if slip-rate given.

getSlip

public static double getSlip(double area,
                             double moment)

This function calculates slip for a given fault area and moment, assuming a shear modulus of 3e10 N-m. This also calculates slip rate if moment rate is given

Parameters:

area: - the fault area (in square Meters)

moment:(in - Newton-Meters) or moment rate

Returns:

Slip (in meters) or slip rate if moment-rate is given