A Framework for Bond-Graph Modelling

• bgf:parameterValue ^op
• bgf:variableValue ^op

• Dissipative element ^c
• Flow source ^c
• Dynamic energy store ^c
• Potential source ^c
• Static energy store ^c

• bgf:hasBlock ^dp
• bgf:hasBondElement ^op
• bgf:hasJunctionStructure ^op
• bgf:hasPowerBond ^op
• bgf:hasSignalBond ^op
• bgf:usesTemplate ^dp

A composite of a bgf:BondElement and a bgf:JunctionStructure, for example a bgf:bgf:ZeroStorageNode.

• bgf:elementTemplate ^op
• bgf:junctionStructure ^op

An element which dissipates energy.

• Reaction element ^c
• Resistive element ^c

And alternative name for the energy gradient with respect to quantity in a physical domain.

• bgf:constitutiveRelation ^dp
• bgf:hasParameter ^op
• bgf:hasPort ^op
• bgf:hasVariable ^op

The rate of change of a physical domain's quantity; the energy gradient with respect to momentum in a physical domain.

A source of dynamic energy.

An element which stores dynamic energy as the amount of some momentum.

• bgf:hasJunctionStructure ^op
• bgf:junctionStructure ^op

• One node ^c
• Transform node ^c
• Zero node ^c

A carrier of potential energy in a physical domain.

Total potential at node is zero.

• One reaction node ^c
• One resistance node ^c
• One flow store node ^c

A dissipator with two associated One Nodes

• One node ^c
• Reaction element ^c

A dissipator with one associated One Node

• One node ^c
• Resistive element ^c

A flow store element with one associated One Nodes

• Dynamic energy store ^c
• One node ^c

A physical domain in which energy is carried by some quantity.

• bgf:hasConstant ^op
• bgf:hasFlow ^op
• bgf:hasPotential ^op
• bgf:hasQuantity ^op

The rate of change of a physical domain's momentum; the energy gradient with respect to quantity in a physical domain.

A source of potential energy.

A connection between two PowerPorts over which power is transfered.

• bgf:hasSource ^op
• bgf:hasTarget ^op

A port of a BondElement or JunctionStructure through which power is transfered.

• bgf:hasSource ^op
• bgf:hasTarget ^op

A carrier of flow energy in a physical domain.

An element which stores static energy as the amount of some quantity.

A dissipator with two power ports through which quantities are exchanged.

A dissipator with a single power port.

A connection in which no power flows, used to convey state information.

Transform potential and flow.

• bgf:parameterValue ^op
• bgf:variableValue ^op

• bgf:hasConstant ^op
• bgf:hasFlow ^op
• bgf:hasParameter ^op
• bgf:hasPotential ^op
• bgf:hasQuantity ^op
• bgf:hasVariable ^op

Total flow at node is zero.

A storage element with one associated Zero Node

• Static energy store ^c
• Zero node ^c

The inward or outward direction of a power port of a multi-port Bond Element.

The location of an element or junction in the physical system described by the bond graph.

A parameter for the constitutive relation of a Bond Element.

A real world physical continuant, occurrent, or property that can be observed and analyzed by the methods of classical physics.

The entity which an element or junction represents in the physical system described by the bond graph.

A non-parameter variable in the constitutive relation of a Bond Element that could be assigned a value.

A value to assign to a parameter of a bond element

A value to assign to a non-parameter variable in the constitutive relation of a bond element.

The number of bonds represented in a connection between two Power Ports.

The identity of each port when a Bond Element or Junction Structure has more than a single Power Port.

A name to identify a variable, for both when it is declared and when it is given a value.

The number of bonds represented in a connection between two Power Ports.

The inward or outward direction of a power port of a multi-port Bond Element.

A parameter for the constitutive relation of a Bond Element.

A non-parameter variable in the constitutive relation of a Bond Element that could be assigned a value.

A value to assign to a parameter of a bond element

A name to identify a variable, for both when it is declared and when it is given a value.

A value to assign to a non-parameter variable in the constitutive relation of a bond element.