GravitationalForce Class Reference

Class to calculate gravitational forces between particles. Implements the interface PairwiseForceSource. More...

#include <GravitationalForce.h>

Inheritance diagram for GravitationalForce:

Collaboration diagram for GravitationalForce:

Public Member Functions
std::array< double, 3UL >	calculateForce (const Particle &p, const Particle &q) const override
	Calculates the gravitational forces between two particles. More...
	operator std::string () const override
	Returns "Gravity" as name of the force. More...
Public Member Functions inherited from PairwiseForceSource
virtual	~PairwiseForceSource ()=default
	Virtual destructor for correct cleanup of derived classes. More...

Detailed Description

Class to calculate gravitational forces between particles. Implements the interface PairwiseForceSource.

Implementation of the force calculation to simulate gravity forces between particles. This class implements the interface PairwiseForceSource.

Definition at line 11 of file GravitationalForce.h.

Member Function Documentation

calculateForce()

std::array< double, 3UL > GravitationalForce::calculateForce ( const Particle &  p, const Particle &  q  ) const

overridevirtual

Calculates the gravitational forces between two particles.

Parameters

p	Particle
q	Particle

Returns

Gravitational force exerted by q on p

Calculates the gravitational force which q exerts on p

Implements PairwiseForceSource.

Definition at line 5 of file GravitationalForce.cpp.

                                                                                                   {
    const auto displacement = q.getX() - p.getX();
    const double dist = ArrayUtils::L2Norm(displacement);
 
    const auto f_gravity = (p.getM() * q.getM() / (std::pow(dist, 3))) * displacement;
 
    return f_gravity;
}

operator std::string()

GravitationalForce::operator std::string ( ) const

explicitoverridevirtual

Returns "Gravity" as name of the force.

Implements PairwiseForceSource.

Definition at line 14 of file GravitationalForce.cpp.

{ return "Gravitational"; }

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The documentation for this class was generated from the following files:

• GravitationalForce.h
• GravitationalForce.cpp