Definition of

Coupling

insects

When two animals have a sexual encounter, they mate.

Coupling is the act and result of coupling . This verb refers to linking, combining, accommodating, uniting or adjusting two or more elements .

For example: “The coach aims to achieve the coupling of the players as soon as possible” , “The coupling of the satellite navigation system to all security forces vehicles will be completed in the coming weeks” , “I have not yet finished “To assemble the furniture, I am missing the attachment of the shelves.”

According to the dictionary of the Royal Spanish Academy ( RAE ), coupling is also the union that animals establish when they develop a sexual encounter . In this case, the verb is used reflexively, and therefore it is said that the animals couple , that is, they mate.

Mechanical coupling

The idea of ​​mechanical coupling , on the other hand, refers to the system of chains or ligaments that, with greater or lesser freedom, connect different units. These couplings can be articulated, flexible or rigid.

When a minimum of two leagues have the possibility of moving, it is called a mechanism . To carry out the design of a mechanical coupling, it is normal to include an input and produce an output , alter the values ​​of speed, acceleration and movement, in addition to applying a mechanical advantage. Mechanical couplings that are created to be stationary are known as structures .

Although the concept may seem somewhat abstract at first glance, most people have at least one item in their home made based on the principles described above. A clear example is the pliers, a hand tool used to shape certain materials or hold pieces, among other purposes: it is a mechanism, and its degree of freedom is one .

Screw

The idea of ​​coupling refers to a fit or a union.

The term in magnetism

A magnetic coupling implies that a current of electricity passes through a coil, generating a potential difference that appears between the ends of the rest of the coils that make up the electrical circuit in question. The phenomenon can be explained from two physical laws, Faraday 's and Ampère 's.

Ampère 's law tells us that any varying electric current tends to create a proportional and variable magnetic field over time. Faraday 's theory, on the other hand, explains that when time-varying magnetic fluxes pass through a surface that is closed by a circuit, they induce a potential difference.

Tidal coupling

The concept of tidal coupling is used to describe what happens when the face of a certain astronomical object always points at another object. This means that the coupled object, when rotating on its axis, takes the same time as it takes to complete the translation around the other. A case of tidal coupling is the one that takes place between the Moon and the Earth : from our planet we always observe the same side of the satellite.

Thanks to this phenomenon, one hemisphere of the object rotating around the other always points towards it. This usually happens only for satellites that dock around a planet larger than themselves; However, when there is neither a large difference in mass nor a considerable distance between the two, it is possible that the two show reciprocal tidal coupling , as occurs between Charon and Pluto.

In the field of three-dimensional computer image design, a technique called billboarding is used, which consists of making a textured plane always point towards the active camera so that the user believes that it is a three-dimensional object. This is very similar to the concept of tidal coupling, and was very common in the first three-dimensional video games, which emerged in the early 90s, although even today it continues to have some use.