6_Liaisons Flashcards

1
Q

liaison ?

A

relation de contact entre deux solides

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2
Q

degrés de liberté d’une liaison ?

A

nombre de déplacements élémentaires indépendants autorisés par cette liaison

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3
Q

degrés d’une liaison ?

A

nombre de déplacements élémentaires interdits

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4
Q

Somme des degrés de liberté + degrés de liaison ?

A

6

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5
Q

Liaison encastrement ?

A

0 ddl : aucun mouvement relatif n’est permis entre les deux solides

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6
Q

Liaison glissière ?

A

1ddl : 1 seule translation dans une direction

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7
Q

Liaison pivot ?

A

1 ddl : seule une rotation est permise

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8
Q

Liaison hélicoïdale ?

A

1 ddl : 1 rotation et 1 translation liées

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9
Q

Liaison pivot glissant ?

A

2 ddl : 1 rotation et 1 translation (non liées)

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10
Q

Liaison rotule à doigt ?

A

2 ddl : 2 rotations, 0 translation

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11
Q

Liaison appui plan ?

A

3 ddl : 1 rotation, 2 translations

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12
Q

Liaison rotule ?

A

3 ddl : 3 rotations, 0 translation

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13
Q

Liaison linéaire rectiligne ?

A

4 ddl : 2 rotations, 2 translations

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14
Q

Liaison linéaire annulaire ?

A

4 ddl : 3 rotations, 1 translation

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15
Q

Liaison ponctuelle ?

A

5 ddl : 3 rotations, 2 translations

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