Contact_Theory

Contact_Theory - Changi ng St at us Nonl i near i t i es 1....

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Unformatted text preview: Changi ng St at us Nonl i near i t i es 1. Cont act Nonl i near i t i es 2. Cont act el ement s advanced opt i ons 3. Node t o Sur f ace & Node t o Node Cont act Cont act Nonl i near i t i es [ 1] . Changi ng St at us ( 1) Cont act Nonl i near i t i es & bi r t h & deat h 1. Cont act Nonl i near i t i es = + E @ component . a =+ * p 1 component H * . @ f E @ cont act X =+ E @ . ( 1- 1) + f E cont act + f @ . cont act 7 @ @ f E ` . ` =+ i nt er f ace * fE 7 . 1- 2) a L=+ @ * pT cont act ` . p T * E= } = + . H * FEM cont act + fE @ . ANSYS cont act H * component s model i ng . @ @ @ fE ANSYS H component model i ng H * . ` =+ ? . 1- 3 a b H . H a L=+ @ *p ( H * ) . ` =+ . L + p `L + . a, b L= @ * connect i on met hod p T E + = + h = fE @ . FEMH . 1- 3 a b b 1- 1 @ fE 7 @ . X2 pT * E = =+ , `L + , p T * E + P = , . ` L=+ . a L= * pT cont act bi r t h & deat h . (a) Initial geometry (b) Deformed shape with hydrostatic stresses Motion of Retainer 1- 2 Ret ai ner 1- 4 1- 3) 1- 4) L + OE * T . a, b 8 OE * connect i on met hod 8 OE * a b . Node \ @ fE 7 . Cont act 7@ @ @ f ( =+ E @ fE . , 8OE @ @ fE v I= p f . ` L=+ gap el ement 8 OE . 1- 5 p& * =+ ( a b 8 * nodes mer ge ` L= + . a = @ * pT poi nt cont act H . ` L=+ pT * E= =+ nodes H ^ mer ge < = fE @ . 8 H t ot al l oad L= *p . l oad st r ess \ . - = f @ ( ) . , a =+ @ T . \ . H * a, b beam t r uss ] node \ . =+ fE @ @ fE w 4 I=+ p E 8 * . gap el ement Gap el ement H 1- 5) 8 spr i ng symbol H * . Component s 8 * spr i ng h \ . 8 spr i ng bi l i near `L + mot i on st i f f ness L= zer o st i f f ness 8 . `L + @ @ E I= + p f `L= . F d k t k c ` =+ k t L + ] k c ] . Bi l i near nor mal st i f f ness 1- 6 Cont act L= 3 OE * ( spher i cal cont act ) ( cyl i ndr i cal cont act ) OE * ( gener al cont act ) pT * =+ N = + . * ( dynam i c cont act st r esses) P- ( sur f ace f at i gue f ai l ur e model s- dynam i c cont act ) OE * ( sur f ace f at i gue st r engt h) cont act t r i bol ogy . Tr i bol ogy Gr eece ' Tr i bos' P } , P } ( r ubbi ng) . Tr i bol ogy P } , f r i ct i on( ) , wear ( ) , l ubr i cat i on( ) P } . = fE @ f ` L=+ ] P} . @ @f I= p E OE * . `L + , ` =+ @@ @f f 4I= p E a =+ OE p , aL + OE * p Tr i bol ogy P ....
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Contact_Theory - Changi ng St at us Nonl i near i t i es 1....

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