37 relations: Angular displacement, Angular momentum, Block diagram, Differential equation, Directed graph, Dynamical system, Electric charge, Electric current, Energy, Farad, Flux linkage, Force, Graph (discrete mathematics), Gyrator, Henry (unit), Henry Paynter, Hooke's law, Hybrid bond graph, Lever, Mass, Moment of inertia, Momentum, Ohm, Ohm's law, Power (physics), Pressure, Signal-flow graph, Simcenter Amesim, State space, State variable, State-space representation, Time derivative, Transformer, Velocity, Voltage, Volume, 20-sim.

## Angular displacement

Angular displacement of a body is the angle in radians (degrees, revolutions) through which a point revolves around a centre or line has been rotated in a specified sense about a specified axis.

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## Angular momentum

In physics, angular momentum (rarely, moment of momentum or rotational momentum) is the rotational equivalent of linear momentum.

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## Block diagram

A block diagram is a diagram of a system in which the principal parts or functions are represented by blocks connected by lines that show the relationships of the blocks.

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## Differential equation

A differential equation is a mathematical equation that relates some function with its derivatives.

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## Directed graph

In mathematics, and more specifically in graph theory, a directed graph (or digraph) is a graph that is a set of vertices connected by edges, where the edges have a direction associated with them.

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## Dynamical system

In mathematics, a dynamical system is a system in which a function describes the time dependence of a point in a geometrical space.

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## Electric charge

Electric charge is the physical property of matter that causes it to experience a force when placed in an electromagnetic field.

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## Electric current

An electric current is a flow of electric charge.

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## Energy

In physics, energy is the quantitative property that must be transferred to an object in order to perform work on, or to heat, the object.

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## Farad

The farad (symbol: F) is the SI derived unit of electrical capacitance, the ability of a body to store an electrical charge.

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## Flux linkage

In circuit theory, flux linkage is a property of a two-terminal element.

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## Force

In physics, a force is any interaction that, when unopposed, will change the motion of an object.

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## Graph (discrete mathematics)

In mathematics, and more specifically in graph theory, a graph is a structure amounting to a set of objects in which some pairs of the objects are in some sense "related".

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## Gyrator

A gyrator is a passive, linear, lossless, two-port electrical network element proposed in 1948 by Bernard D. H. Tellegen as a hypothetical fifth linear element after the resistor, capacitor, inductor and ideal transformer.

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## Henry (unit)

The henry (symbol: H) is the SI derived unit of electrical inductance.

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## Henry Paynter

Henry M. Paynter (August 11, 1923 – June 14, 2002) was an American scientist, best known as the inventor of bond graphs.

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## Hooke's law

Hooke's law is a principle of physics that states that the force needed to extend or compress a spring by some distance scales linearly with respect to that distance.

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## Hybrid bond graph

A hybrid bond graph is a graphical description of a physical dynamic system with discontinuities (i.e., a hybrid dynamical system).

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## Lever

A lever is a simple machine consisting of a beam or rigid rod pivoted at a fixed hinge, or fulcrum.

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## Mass

Mass is both a property of a physical body and a measure of its resistance to acceleration (a change in its state of motion) when a net force is applied.

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## Moment of inertia

The moment of inertia, otherwise known as the angular mass or rotational inertia, of a rigid body is a tensor that determines the torque needed for a desired angular acceleration about a rotational axis; similar to how mass determines the force needed for a desired acceleration.

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## Momentum

In Newtonian mechanics, linear momentum, translational momentum, or simply momentum (pl. momenta) is the product of the mass and velocity of an object.

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## Ohm

The ohm (symbol: Ω) is the SI derived unit of electrical resistance, named after German physicist Georg Simon Ohm.

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## Ohm's law

Ohm's law states that the current through a conductor between two points is directly proportional to the voltage across the two points.

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## Power (physics)

In physics, power is the rate of doing work, the amount of energy transferred per unit time.

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## Pressure

Pressure (symbol: p or P) is the force applied perpendicular to the surface of an object per unit area over which that force is distributed.

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## Signal-flow graph

A signal-flow graph or signal-flowgraph (SFG), invented by Claude Shannon, but often called a Mason graph after Samuel Jefferson Mason who coined the term, is a specialized flow graph, a directed graph in which nodes represent system variables, and branches (edges, arcs, or arrows) represent functional connections between pairs of nodes.

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## Simcenter Amesim

Simcenter Amesim is a commercial simulation software for the modeling and analysis of multi-domain systems.

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## State space

In the theory of discrete dynamical systems, a state space is the set of all possible configurations of a system.

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## State variable

A state variable is one of the set of variables that are used to describe the mathematical "state" of a dynamical system.

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## State-space representation

In control engineering, a state-space representation is a mathematical model of a physical system as a set of input, output and state variables related by first-order differential equations or difference equations.

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## Time derivative

A time derivative is a derivative of a function with respect to time, usually interpreted as the rate of change of the value of the function.

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## Transformer

A transformer is a static electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.

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## Velocity

The velocity of an object is the rate of change of its position with respect to a frame of reference, and is a function of time.

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## Voltage

Voltage, electric potential difference, electric pressure or electric tension (formally denoted or, but more often simply as V or U, for instance in the context of Ohm's or Kirchhoff's circuit laws) is the difference in electric potential between two points.

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## Volume

Volume is the quantity of three-dimensional space enclosed by a closed surface, for example, the space that a substance (solid, liquid, gas, or plasma) or shape occupies or contains.

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## 20-sim

20-sim is commercial modeling and simulation program for multidomain dynamic systems, which is developed by Controllab.

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0 junction, 1 junction, Bond Graph, Bond graph model, Bond graphs, Bond-graph.