Structural Optimization Automotive Chassis heavy vehicle

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Transcript of Structural Optimization Automotive Chassis heavy vehicle

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    “STRUCTURAL OPTIMIZATION OF

    AUTOMOTIVE CHASSIS”

    STUDENT NAME : Anurag Patel

    GUIDE :

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    INDEX

       INTRODUCTION    OPTIMIZATION

       STRUCTURAL OPTIMIZATION

       VARIABLES IN STRUCTURAL OPTIMIZATION    VARIABLES IN STRUCTURAL OPTIMIZATION

       APPLICATIONS

       LOAD STEPS

       CONCLUSION    REFERENCE

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    Chassis is a French term and as initia!!" #sed t$ den$te the %rame &arts $r Basic Str#ct#re $% the 'ehic!e( It is the )ac* )$ne $% the 'ehic!e(

    FUNCTIONS OF THE CHASSIS FRAME+

    ,(T$ carr" !$ad $% the &assen-ers $r -$$ds carried in the )$d"(

    .(T$ s#&&$rt the !$ad $% the )$d"/ en-ine/ -ear )$0 etc(/

    1(T$ ithstand the %$rces ca#sed d#e t$ the s#dden

    )ra*in- $r acce!erati$n2(T$ ithstand the stresses ca#sed d#e t$ the )ad r$ad c$nditi$n(

    3(T$ ithstand centri%#-a! %$rce hi!e c$rnerin-

    INTRODUCTION

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    Optimization

    O&timi4ati$n is a &r$ced#re $% 5ndin- and c$m&arin- %easi)!e s$!#ti$ns #nti! n$ )etter s$!#ti$n

    can )e %$#nd

      Types sin-!e $)6ecti'e $&timi4ati$n m#!ti $)6ecti'e $&timi4ati$n

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    Structural optimization

     T$&$!$-" O&timi4ati$n Si4e O&timi4ati$n  T$&$metr" O&timi4ati$n  T$&$-ra&h" O&timi4ati$n Sha&e O&timi4ati$n

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    Variables in Structural Optimization

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    Optimization Process

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    Complete Optimization Process

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      APPICATIONS

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    Automoti!e "oo#

     

    (a) reference model, to !"e# ($) reference model, $ottom !"e#

    (c) ot"mum la%out

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    Rear $enc%

    (a) S"&e ot"m"&at"on ($) 't"mum conf"gurat"on

    !ar"a$le u$d"!""on deformed ae

    (c) Dam"ng mater"al ot"mum T"c*ne d"tr"$ut"on

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    Automoti!e C%assis

    (a) doma"n, or de"gn ace ($) ot"mum ca" conf"gurat"on

    (c) ot"mum roof conf"gurat"on

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    oa# Steps

    Si0 di7erent !$ad ste&s are c$mm$n!" #sed in FE ana!"sis +  )endin- -!$)a! sti7ness

     t$rsi$na! -!$)a! sti7ness  8a&s )endin- sti7ness

     hin-es attachment sti7ness

     !atch attachment sti7ness

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    CONCUSION

      Usin- str#ct#ra! $&timi4ati$n/ the sti7ness $% a car )$d" can )e -reat!" increased ith$#t addin- t$$ m#ch mass( The meth$ds &resented a!!$ the desi-ner t$ e0&!$re a

    !ar-er desi-n s&ace and im&r$'e the #sa-e $% materia! and9$r minimi4e mass(

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    RE&ERRENCES

      :,; Str#ct#ra! O&timi4ati$n Meth$ds and Techni#an Pa)!$ Lei'a Vander &!aats Research and De'e!$&ment/ Inc(

      :.; A#t$m$ti'e Chassis T$&$!$-" O&timi4ati$n+ a C$m&aris$n Beteen S&ider

    and

    C$#&@e Desi-ns Marc$ Ca'a44#ti/ Dari$ C$sti/ Andrea Ba!dini/ Patri4i$ M$r#44i

    :1;O&timi4ati$n Meth$d$!$-" %$r an A#t$m$ti'e H$$d S#)str#ct#re Inner Pane!

      D( C$sti/ E( T$rrice!!i/ L( S&!endi and M( Petta44$ni

    :2; htt&s+99(-$$-!e(c$(in9

    :3; >(M( Biradar/ B(V( Vi6a"/ ai!ash >at( A#t$m$ti'e Chassis Si4in- O&timi4ati$n %$r M$da!

    and Dist$rti$n Criteria( Sastech/ V$!#me / Iss#e ./ Se&tem)er .GG(

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      THAN OU