Fatigue User Guide JBJv2

7/25/2019 Fatigue User Guide JBJv2

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CAVS REPORT

MSU.CAVS.CMD.2009-Rxxxx

DRAFT

USAMP-PM AMD410 Users Guide

Y. Hammi, R.L. Carino, T.W. Son!, P.A. A""i#on, H.S. $r!%a", M.F. Hor#!m!&!r

Pr!'ar!( )&C!n!r *or A(+an!( V!i"ar S!m#Mi##i##i''i Sa! Uni+!r#i&Mi##i##i''i Sa!, MS /912

W!) #i! '33%%%.a+#.m##a!.!(

4o *or ')"i r!"!a#!.

May 2009
http://www.cavs.msstate.edu/http://www.cavs.msstate.edu/


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Software Application License Agreement

Version 3.23.09b

This License Agreement (Agreement) is a legal agreement between LICENEE an! Mississi""itate #ni$ersity (M#) %&r &nline access t& the s&%tware a""licati&n %&r material m&!eling (&%tware

A""licati&n)' y sing the &%tware A""licati&n* LICENEE is agreeing t& be b&n! by the terms &%

this Agreement' LICENEE agrees that LICENEE+s se &% the &%tware A""licati&n ac,n&wle!ges that

LICENEE has rea! this Agreement* n!erstan!s it* an! agrees t& be b&n! by its terms an! c&n!iti&ns'

-' Grant of License.b.ect t& the terms an! c&n!iti&ns &% this Agreement* M# hereby grants t&

LICENEE a n&n/eclsi$e license t& se the &%tware A""licati&n' LICENEE may se the &%tware &n

a single c&m"ter an! ma,e &ne c&"y &% the &%tware in machine/rea!able %&rm %&r bac," "r"&ses

&nly' LICENEE mst re"r&!ce &n sch c&"y M#+s c&"yright n&tice an! any &ther "r&"rietary legen!s

that were &n the &riginal c&"y &% the &%tware'

2' Restrictions.The &%tware A""licati&n c&ntains c&"yrighte! material* tra!e secrets an! &ther

"r&"rietary material' In &r!er t&"r&tect them* an! ece"t as "ermitte! by a""licable legislati&n*

LICENEE may n&t !ec&m"ile* re$erse engineer* !isassemble* &r &therwise re!ce the &%twareA""licati&n t& a hman/"ercei$able %&rm* &r &therwise attem"t t& !isc&$er the s&rce c&!e &%

any &%tware A""licati&n "r&$i!e! in c&m"ile! %&rm1 m&!i%y* netw&r,* rent* len!* l&an*

!istribte &r create !eri$ati$e w&r,s base! "&n the &%tware A""licati&n in wh&le &r in "art1electr&nically transmit the &%tware A""licati&n %r&m &ne c&m"ter t& an&ther &r &$er a

netw&r,1 c&"y the &%tware A""licati&n1 &r* trans%er LICENEE+s license rights t& se the

&%tware A""licati&n* the relate! !&cmentati&n* &r this Agreement t& an&ther "arty'

. Copyright an !raemar". The &%tware A""licati&n an! 3&cmentati&n are &wne! by M#'All title* &wnershi"* rights* an! intellectal "r&"erty rights in an! t& the &%tware A""licati&n an!

3&cmentati&n shall remain with an! in M#' The &%tware A""licati&n an! the 3&cmentati&n are

"r&tecte! by the c&"yright laws &% the #nite! tates an! internati&nal c&"yright treaties' LICENEE shall

n&t se the names* l&g&s* tra!emar,s &r any &ther mar, &r image c&nsi!ere! by M# t& be i!enti%ie! with

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any a!$ertising* "r&m&ti&nal &r sales literatre with&t "ri&r written c&nsent being &btaine! %r&m M# in

each case* ece"t that LICENEE may state that it is license! by M# n!er this Agreement'

4' #$port Law Ass%rance' LICENEE hereby agrees that it shall n&t sell* trans%er* e"&rt &r re/

e"&rt any &%tware A""licati&n &r relate! in%&rmati&n in any %&rm* &r any !irect "r&!cts &% sch

in%&rmati&n* ece"t in c&m"liance with all a""licable laws* incl!ing the e"&rt laws &% any #''

5&$ernment agency an! any reglati&ns theren!er* an! will n&t sell* trans%er* e"&rt &r re/e"&rt anysch &%tware A""licati&n &r in%&rmati&n t& any "ers&ns &r any entities with regar! t& which there eist

gr&n!s t& ss"ect &r belie$e that they are $i&lating sch laws' LICENEE shall be s&lely res"&nsible %&r

&btaining all licenses* "ermits &r ath&ri6ati&ns re7ire! %r&m the #'' an! any &ther g&$ernment %&r any

sch e"&rt &r re/e"&rt' T& the etent n&t inc&nsistent with this Agreement* M# agrees t& "r&$i!e

LICENEE with sch assistance as it may reas&nably re7est in &btaining sch licenses* "ermits &r

ath&ri6ati&ns'


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8' &isclaimer of 'arranty' M# MAE N: ;EA;;ANTIE :? AN@ IN3* EITE; E=


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-ower (etal -erformance (oeling of A%tomotie Components

,sers G%ie

!able of Conten ts

Intr&!cti&n ''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''

A' Material M&!eling ''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' ''

A'-'


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A'' Elast&/Bisc&"lasticity As"ects'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''

A'''a Elasticity'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''

A'''b ?l&w ;le'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''

A'''b ar!ening ;le'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''

A'''c Material


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C'-'-'c Creati&n an! Meshing &% the


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C'8'-'b &n!ary C&n!iti&ns''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''

C'8'-'c Ma" &lti&n %r&m "ringbac,Gintering Analysis'''''''''''''''''''''''''''''''''''''''''

C'8'-'! Ma""ing &% Elastic


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3'4'2 :t"t ?iles ''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''

3'4' Men Items '''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''

3'4'4 3ata et C&ntr&ls'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''

3'4'8


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A.1. (%ltiStage atig%e (oel

A.1.4 )ntro%ction

This secti&n !escribes a high %i!elity mltistage %atige (M?) m&!el em"l&ye! t& "re!ict the am&nt &%

%atige cycling re7ire! t& case the a""earance &% a measrable crac, an! the crac, si6e as a %ncti&n &%

l&a!ing cycles' The m&!el inc&r"&rates micr&strctral %eatres int& the %atige li%e "re!icti&ns %&rincbati&n* micr&strctrally small crac, gr&wth* an! l&ng crac, gr&wth stages in b&th high cycle an!

l&w cycle regimes' ecti&n 2 "r&$i!es a the&retical basis %&r the M?' ecti&n is a m&!el ser manal'

ecti&n 4 !escribes a s&%tware tility %&r calibrating the M? m&!el %r&m e"erimental !ata'

A.1.2 !heoretical basis for (S moels

The micr&strctre/base! mlti/stage %atige (M?) m&!el inc&r"&rates !i%%erent micr&strctral

!isc&ntinities ("&res* inclsi&ns* etc') &n "hysical !amage "r&gressi&n'

This m&!el "artiti&ns the %atige li%e int& three stages base! &n the %atige !amage %&rmati&n an!

"r&"agati&n mechanismsH

- crac, incbati&n*- micr&strctrally small crac, (MC) an! "hysically small crac, (


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are n&t a$ailable Kammann et al'* -99' ere* the generali6e! %&rmlati&n that was eten!e! t& a

08/T8- Al all&y* i'e'*

limlim *

=D

l

D

l

thper

tha

-*)-(- limlim


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[ ]N

02- )-(

d

D

DyRyY

++=

whereD0is the !iameter &% the "&re in the s"ecimens that case %atige %ailre* !!e"icts the e%%ect&% the "&re si6e t& l&cal "lastic strain* which is ta,en as 0'- !0'* the rati&Ris base! &n the

maimm "rinci"al stress* an!"#an!"$are c&nstants'

A.1.2.b (icrostr%ct%rally small crac" growth

Crac, gr&wth in the MCG


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critical crac, gr&wth n!er %atige l&a!ing in the same way that characteri6e! critical* &r %ast

%ractre' e eamine! a nmber &% all&ys an! reali6e! that "l&ts &% crac, gr&wth rate against range

&% stress intensity %act&r ga$e straight lines &n l&g/l&g scales' This im"lies thatH

( )mKAdN

da)(l&gl&g =

which is e7i$alent t&

AKmdN

dal&gl&gl&g +=

whereAis the crac, gr&wth "arameter an! mthe e"&nent in


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?igre '42 F ?atige crac, gr&wth rate $erss stress intensity %act&r range'

A.1.2.c (aterial -arameters

Table 2' The mltistage %atige m&!el "arameters &% a 208 "&w!er'

(S

(oel(oel (Sfit Val%e &escription

)*C,/A!)+*

t,


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S(AL

L

CRAC5

theta 0'28 Maimm stress c&m"&nents c&ntribti&n %act&r

m 4'Q00-- E"&nent in mall crac, gr&wth

CI Q0000' C? c&nstant in small crac, gr&wth

CII '492 LC? c&nstant in small crac, gr&wth

5 0'-94 Crac, gr&wth rate c&nstant

CT3T 0'0002Q0 CT3 thresh&l! $alea%nl- 280' ?inal crac, si6e length (micr&ns)

3Ce" 0' ha"e "arameter


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/ )nterpolation ))H the %atige li$es NSC an! N"C se the same linear inter"&lati&n as %&r

micr&strctral c&nstants1 the %atige li%e N!nc is inter"&late! with res"ect t& "&r&sity %r&m

%atige li$es !etermine! at 9'8 an! -9 "&r&sities1 the !ensity is heter&gene&s an!

ma""e! %r&m the c&m"acti&n analysis1

[ ]( ))()()( -- !nc!nc N"#&'(xpN +=

with

[ ] [ ]

-2

-2

-2

-2 )()(an!)C&nstants()C&nstants(

)

N"#&)N"#&'

)

)a !nc!nc==

The M? %atige analysis Inter"&lati&n I an! Inter"&lati&n II se the same heter&gene&s "&r&sity*

strain an! strain an! stress !istribti&ns* &nly the %atige li%e is calclate! sing a !i%%erent meth&!

&% inter"&lati&n %&r each analysis'

The %atige li%esN!nc* NSC* N"C an!NT#tal(Table SSSS) are limite! in the ser sbr&tine #BA;M

with a maimm $ale' Their res"ecti$e limits areH

/

+ax!ncN

R -0*000*000 cycles

/

+axSCN

R -00*000 cycles

/

+axSCN

R 2*000*000 cycles

/

+ax"C

+axSC

+ax!nc

+axT#tal NNNN ++=

R -2*-00*000 cycles


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!able 4. Mlti/tage ?atige &t"t $ariables &% ser sbr&tine #BA;M'

Component &efinition ,ar

train Am"lit!e

"#ad+ine"#ad+axee UU = #$ar(-)

train Am"lit!e

"#ad+ine"#ad+ax,hea r,hea r UU = #$ar (2)

Mises tressAm"lit!e

"#adin+eq"#ad+axeqeq UU =

#$ar ()

?atige Li%e NIncF Inter"&lati&n I #$ar (4)

?atige Li%e NIncF Inter"&lati&n II #$ar (8)

?atige Li%e NCF Inter"&lati&n I #$ar ()

?atige Li%e NCF Inter"&lati&n I #$ar ()

?atige Li%e NLCF Inter"&lati&n II #$ar (Q)

?atige Li%e NLCF Inter"&lati&n II #$ar (9)

?atige Li%e NT&talF Inter"&lati&n I #$ar (-0)?atige Li%e NT&talF Inter"&lati&n II #$ar (--)

?atige Li%e NIncF Inter"&lati&n I (n&t limite! t&

+ax!ncN

)#$ar (-2)

?atige Li%e NIncF Inter"&lati&n II (n&t limite! t&

+ax!ncN

)#$ar (-)


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C.7 atig%e Analysis of the (ain /earing Cap

C.7.4 -re-rocessing %sing Aba8%sCA#

C.7.4.a Creationg an (eshing of -arts

All the "arts* ece"t the sha%t* are !e%&rmable b&!ies an! create! sing 3 c&ntinm elements

C3Q t& minimi6e the C


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?igre F r%ace interacti&n !e%initi&n between the MC an! the ring'

The c&ntact interacti&n between the threae bolt an! the !ie can be !e%ine! sing athreae bolt connectionin Aba7sGCAE (?igre SSSS)' The initial clearance is c&m"te!by Aba7sGCAE %&r a singlethreae bolt' The b&lt s"eci%icati&ns sch as the halfthrea

angle (in !egrees)* the pitch an! bolt iameter (ma.&r in this case) are re7ire!

"arameters %&r the c&ntact interacti&n' The c&ntact interacti&n "r&"erty is !e%ine! by a Co%lombfriction law* which a %ricti&n c&e%%icient &% 0'2'

T& create a threa!e! b&lt c&nnecti&nsH

- )np%t ile ,sage


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ig%reF Threa!e! b&lt sr%ace !e%initi&n in AA#GCAE (highlighte! in re! %&r a s"eci%ic b&lt)'

C.7.4.c Loaing an /o%nary Conitions

The base &% the MC %itre is encastre! (?igre SSSS)'

The re%erence n&!e that "il&ts the sha%t rigi! sr%ace has c&nstraine! b&n!ary c&n!iti&ns t& "re$ent

rigi! r&tati&n ab&t any ais (?igre SSSS)'

An assembly l&a! is "rescribe! &n t& each &% $ertical b&lts t& simlate the "rel&a!ing t&r7e &% 0

%tWlbs' This "re/tensi&ning is simlate! in Aba7sGtan!ar! by a!!ing a ctting sr%ace* &r "re/

tensi&n secti&n* in the b&lt* as sh&wn in ?igre SSSS* an! sb.ecting it t& a tensile l&a!' The

"r&ce!re t& create this assembly l&a! isH

- )np%t ile ,sage


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--2

K2dT=

(')

where Tis the t&r7e l&a! (lb%W%t)*Kthe t&r7e c&e%%icient (!imensi&nless)* dthe n&minal !iameter

(in)* an!2the !esire! clam" l&a! tensi&n (lbs)' The $ale &% Kis a !imensi&nless t&r7e c&e%%icient

that enc&m"asses $ariables sch as th&se liste! ab&$e* as well as the m&st signi%icant $ariable*%ricti&n' The $ale &% can range %r&m 0'-0 %&r a well lbricate!Gwae! assembly* t& &$er 0'0 %&r

&ne that is !irty &r rsty' The $ale &% se! in the %atige analysis is 0'20* which c&rres"&n!s t& a

"lain* as recei$e! c&n!iti&n* slightly &ily assembly' There%&re* the tor8%e&% 0 lb%W%t a""lie! &n

each b&lt is c&n$erte! t& a tension force&% 2*02'2 Newt&ns in AA# (?igre SSSS)'

?igre F


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?igre F M&!eling &% the %atige %itre in AA#GCAE1 the win!&w inter%ace !escribes the

b&lt l&a! !e%initi&n* which is highlighte! in re! %&r a s"eci%ic b&lt* an! in yell&w %&r &ther b&lts'


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?igre F

C.7.4. (aterial &efinition

3e%&rmable c&m"&nents &% the MC %itreH

- &m&gen&s elastic material !e%ine! sing the ,eyw&r! >#LAS!)C'

- @&ng+s m&!ls &% ER200*000 M


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?igre F br&tine


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C.7.4.f (ap Sol%tion from Springbac"Sintering Analysis

I% Ma""ing


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starte!' An in"t %ile can be generate! by selecting the .&b &% ch&ice an! then clic,ing 'rite

)np%tin the Bob (anager'

- Incl!e material in"t %ile 20D(aterial.inpi% material c&nstants %&r S#E; MATE;IAL

n&t "re$i&sly !e%ine! in Aba7sGCAE'

- M&!i%y t& a!! ma" s&lti&n %eatre* either S)*)!)AL C+*&)!)+*S? !@-#S+L,!)+*

or >(A- S+L,!)+*?t& retrie$e the reslts in%&rmati&n &% the "rinbac, &r interingAnalysis'

- Incl!e Initial &lti&n %ile(/CSol%tion)nitial.inp%r&m ma""ing "r&ce!re (secti&n C')

i% sing S)*)!)AL C+*&)!)+*S? !@-#S+L,!)+*.

Aba7s in"t %ilefatig%elife.inp

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