08b v5 Gpsfordesigner Ws 8b 030402

7/25/2019 08b v5 Gpsfordesigner Ws 8b 030402

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WS8b-1

WORKSHOP 8b

Z-SECTION CANTILEVER BEAM

CAT509, Workshop 8b, March 2001


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WS8b-2CAT509, Workshop 8b, March 2002


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WORKSHOP 8b Z-SECTION CANTILEVER BEAM

Material: Aluminum

Young Modulus = 10.15e6 psi

Shear Modulus = 3.77e6 psi

Poisson Ratio = .36

!ensit" = .0#$ l%&in3

Yield Strength = 1377$ psi

6 in'hes

1000 l%s

Problem Descr!"o# Load case.


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Problem Descr!"o# Bed!" ad shear d!sp#ace$e%

Bed!" s%ress



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S$%%es"e& E'ercse S"e!s

1. Crea%e a e& CAT'A aa#(s!s doc)$e% *.CATAa#(s!s+.

2. Mesh "#oba##( &!%h #!ear e#e$e%s.

3. App#( a c#a$p res%ra!%.

4. App#( a d!s%r!b)%ed orce.

5. Co$p)%e %he !!%!a# aa#(s!s.

. Check "#oba# ad #oca# prec!s!o *a!$a%e deor$a%!o, adap%!e

bo/es ad e/%re$as+.. Cha"e $esh %o parabo#!c, poss!b#( add #oca# $esh!".

8. Co$p)%e %he prec!se aa#(s!s.

9. !s)a#!e !a# res)#%s.

10. Sae %he aa#(s!s doc)$e%.



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WS8b-CAT509, Workshop 8b, March 2002

S"e! () Cre*"e * #e+ CATIA *#*l,ss &oc$me#"

S"e!s

()pe %he e/!s%!"

&s8bsec%!o.CATar%

ro$ %he %ra!!"

d!rec%or(.

.)App#( a#)$!)$

$a%er!a# proper%!es %o

%he par% as re6)!red.

/)La)ch %he

7eera%!e S%r)c%)ra#

Aa#(s!s &orkbech.

0)Spec!( %he

Co$p)%a%!os ad

es)#%s s%ora"e

#oca%!os as sho&.

2

1

3

4


7/26WS8b-CAT509, Workshop 8b, March 2002

S"e! .) Mes1 %lob*ll, +"1 l#e*r eleme#"s

S"e!s

()o)b#e C#!ck %he

:Mesh; !co o %he

par%.

.)!"h% c#!ck ! %he

7#oba# S!e bo/ ad

se#ec% Meas)re.

/) o

$esh s!e *.01!+.

1

3

4

2

(hange to .01in5


8/26WS8b-8CAT509, Workshop 8b, March 2002

S"e! /) A!!l, * cl*m! res"r*#"

S"e!s

()Se#ec% %he C#a$p

es%ra!%

!co.

.)Se#ec% %he ace a%

%he or!"!, se#ec% ?.

1

2



S"e! 0) A!!l, * &s"rb$"e& 3orce

Load o#( o %he &eb

S"e!s

()Se#ec% %he @orce

!co.

.)Se#ec% %&o ed"es as

sho&.

/)%er -1000 #bs !%he -d!rec%!o, se#ec%

?.

' (o) %r( se#ec%!" %he

ace %he &ho#e cross

sec%!o &!## se#ec%,

ca)s!" !acc)ra%e

#oad!" o %he #a"es.

1

2

3



S"e! 0) A!!l, * &s"rb$"e& 3orce

'% !s ecessar( %o add

a bo)dar( cod!%!o

%ha% orces a## bed!"

%o occ)r ! %he /-

p#ae.

S"e!s

()Se#ec% %he S)race

S#!der !co.

.)Se#ec% %he ace assho&.

s($$e%r!ca#

sec%!os &!## de#ec%

#a%era##( &!%ho)% %h!s

S)race S#!der

res%ra!%.

1

2



S"e! 2) Com!$"e "1e #"*l *#*l,ss

1

2

3

S"e!s

()Se#ec% %he Co$p)%e

!co.

.)Co$p)%e A##

bec%s de!ed, se#ec%?.

/)A#&a(s be a&are o

%hese a#)es, se#ec%

=es.

Sae o%e.



!s)a#!e %he

De3orm*"o# ad

a!$a%e.

S"e!s

()Se#ec% %he

eor$a%!o !co.

.)Se#ec% o %he

A!$a%e !co.

er!( %ha% (o) hae

o de#ec%!o ! %he

(-d!rec%!o b(

a!$a%!" %he ro%

!e&.

S"e! 4) C1ec5 %lob*l *#& loc*l !recso#

1

2

)ront *ie+

,S- *ie+



!s)a#!e %hecom!$"*"o# error

m*!)

S"e!s

()Se#ec% %he

rec!s!o !co.

.)Se#ec% o %he

!or$a%!o !co./) Se#ec% %he

s%!$a%ed #oca# error

obec% ! %he ea%)res

%ree. +.


1

2

3




1

@!d %he "#oba#

e#e$e% &!%h %heh!"hes% es%!$a%ed

error.

S"e!s

()Se#ec% %he Search

'$a"e /%re$a !co.

.)Se#ec% 7#oba# ad 2

$a/!$)$ e/%re$a a%$os%, se#ec% ?.

/) !"h% c#!ck %he

7#oba# Ma/!$)$.1

obec% ! %he ea%)res

%ree %he se#ec% @oc)s

.

2

3




1

e%er$!e #oca# error

perce%a"e *>+.

S"e!s

() Se#ec% %he adap%!!%(

bo/ !co.

.) Se#ec% %he :Se#ec%

/%re$)$; b)%%o %he

7#oba# Ma/!$)$.1 !

%he ea%)res %ree %o

#oca%e bo/.

/) se %he co$pass ad"ree do%s %o #oca%e ad

s!e bo/ aro)d

$eshed areas.

0)S!ce #oca# error !s

aboe 10> %r( cha"!"

%he $esh e#e$e% %o

arabo#!c.

2b

3

2a

4



S"e! 6) C1*#%e mes1 "o !*r*bolc

ede!e %he "#oba#

!!%e e#e$e% $esh

%(pe.

S"e!s

()o)b#e C#!ck %he:CT Te%rahedro

Mesh.1;

represe%a%!o ! %he

ea%)res %ree.

.)Cha"e e#e$e%

%(pe %o arabo#!c,

se#ec% ?.

1

2



S"e! 8) Com!$"e "1e !recse *#*l,ss

1

2

3

S"e!s

()Se#ec% %he Co$p)%e

!co.

.)Co$p)%e A##

bec%s de!ed, se#ec%?.

/)A#&a(s be a&are o

%hese a#)es, se#ec%

=es.

Sae o%e.



Check ho& $)ch %he

"#oba# es%!$a%ed error

has !$proed

S"e!s

()!"h% c#!ck %he


obec% ! %he ea%)res

%ree %he se#ec% '$a"e

Ac%!a%eDeAc%!a%e %o

ac%!a%e %he !$a"e.

.)Se#ec% o %he

!or$a%!o !co.

/) Se#ec% %he


obec% ! %he ea%)res

%ree.



S"e! 8) Com!$"e "1e !recse *#*l,ss

Check ho& $)ch %he#oca# es%!$a%ed error

has !$proed.

S"e!s

() !"h% c#!ck /%re$a

obec% ! %he ea%)res

%ree %he se#ec% Loca#

pda%e.

.) o)b#e c#!ck %he

Adap%!!%( rocess

obec% ! %he ea%)res

%ree.

/)S!ce #oca# error !s

be#o& 10> &e hae a

prec!se $ode#.

2

1

3



S"e! 7) Vs$*le 3#*l res$l"s

Add %he d!sp#ace$e%

!$a"e.

S"e!s

() )% %he adap%!!%( bo/!%o o sho& b( r!"h%

c#!ck!" Adap%!!%(

rocess ! %he ea%)res

%ree %he se#ec%

E!deDSho&.

.)Se#ec% %he

d!sp#ace$e% !co %o

add %h!s !$a"e.

2

1


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1

!s)a#!e Vo# Mses

s"ress 3el& !*""er#s)

S"e!s

()Se#ec% %he S%ress

o M!ses !co.

Th!s a)%o$a%!ca##(

deac%!a%es %he

Tras#a%!oa#

d!sp#ace$e% !$a"e

ad ac%!a%es %he o

M!ses !$a"e.


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@!d %he e#e$e% &!%h

$a/!$)$ o M!ses

S%ress.

S"e!s

()Se#ec% %he search

!$a"e e/%re$a !co

%he se#ec% 7#oba# ad

ke( ! 2 Ma/!$)$

e/%re$a a% $os%.

.) !"h% c#!ck 7#oba#

Ma/!$)$.1 ! %he

ea%)res %ree %he se#ec%

@oc)s .

1a

1b2


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@!d e/ac% reco$$ed

des!" s%ress.

S"e!s

()!"h% c#!ck /%re$a !

%he ea%)res %ree %hese#ec% E!deDSho&.

.) o)b#e c#!ck o

M!ses S%ress obec% !

%he ea%)res %ree.


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@!d e/ac% reco$$ed

des!" s%ress.

S"e!s

() B( pos!%!o!" %he

c)rsor o a e#e$e% %he

s%ress a#)es sho&

re#a%!e %o %he c)rre%

@!#%er *! %h!s case a% %he

odes+.

.) The $a/!$)$

e/%re$a s%ress !s

)!#)eced b( po!sso

eec%s (!e#d!" h!"her

%ha e/pec%ed s%resses

/) The des!" s%ress !s

o)d a% %he

!%er$ed!a%e odes o

%he bo%%o$ e#e$e%s.

123000 - 134000 ps!

2

1

3


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H*#& C*lc$l*"o#s )( #c1 P*r*bolc 9lob*l Mes1: );( #c1 s*%

9lob*l < Precso# error

Loc*l < Precso# error

NA

NA

.)/8

M*' Vo# Mses S"ress (..;;; !s (./;;; - (/0;;; !s

Co#cl$so#s CAT'A 5 7SA &orkbech !s a#!da%ed or a -sec%!o

ca%!#eer bea$ scear!o. To be cosera%!e, !crease$a%er!a# s%re"%h %o a $!!$)$ (!e#d o 134000 ps! or%he descr!bed #oad case.

S (; S 1 l &


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S"e! (;) S*?e "1e *#*l,ss &oc$me#"

S"e!s

()@ro$ %he !#e $e)

se#ec% Sae

Maa"e$e%.

.)E!"h#!"h% doc)$e%

(o) &a% %o sae.

/)Se#ec% Sae As %o

spec!( a$e ad

pa%h, se#ec%, ? 23

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08b v5 Gpsfordesigner Ws 8b 030402