2012 FSAE Structural Equivalency Spreadsheet V1.0.12

7/24/2019 2012 FSAE Structural Equivalency Spreadsheet V1.0.12

http://slidepdf.com/reader/full/2012-fsae-structural-equivalency-spreadsheet-v1012 1/58

2012 FSAE Structural Equivalency Spreadsheet Guidance Notes

The SES template has been created to simplify the process of proving structural equivalency.

As downloaded the spreadsheet assumes a baseline steel chassis design. The majority of the cells in th

ells shaded grey are dependant on the data entered in yellow cells, the formulae in these grey cells ha

If you find a new proble with the SES teplate or require a clarification !2 hours or less before

$evisions&

!".#." $pdated baseline tubes in calculation tabs to select and compare to alternative

!".#.' ell ()#( on (%&.'* +aminate Test( tab unwriteprotected.

!".#.& Tabs where picture are to be pasted were unwriteprotected.

!".#.- '#"'an#' Steel renamed for clarity. $nprotected region of welded tube tab made availabl

!".#.) '#"'an#/ 0ata entry cells unlocked on %&.&* tab

!".#.1 '#"'an"-

+aminate test tab updated so rig compliance adjusts the calculated skin stiffne

2ption to have # front hoop attachments for fully laminated front hoops added.

Skin thickness cell unlocked in main hoop, front hoop and hoop bracing attach

!".#./ '#"'an'& 3evised coversheet reference from website to read4me tab.

!".#.* '#"'an'&orrected tube area calculation to include square tubes in main hoop bracing s

orrected calculation of youngs modulus in laminate test tab to include subtrac

!".#.6 '#"'an'-

Added three e5tra (2ther materials( in 7aterial0ata tab for greater fle5bility for

Added tube shape to (8elded tube insert( tab

orrected conditional formatting error in cell 9&' of 9%:S and Sideimpact tab

!".#."# '#"'an'/ orrected minimum wall thickness error in front hoop bracing tab!".#."" '#"'an'/ orrected alternative material front bulkhead support cell error reference in co

!".#."' '#"'9eb""orrected A; ;A <late tab to allow (2ther 7aterial &( through to 2ther 7aterial 1

3evised baseline tubes to always be round to avoid comparison of student desi

The vast majority of the tabs can be accessed using the hyperlinks on the cover sheet. =ote there are syou enable macros when opening the document (trl>e( will always return you to the cover sheet.

There have been a few questions about how to handle bent?two piece tubes in place of a single baselinestiffer and stronger than the baseline tube, so please ensure you include images of the tube@s in the (of equivalence to the (Additional ;nfo( tab if you deem it necessary. Bou do not need to adjust the numbe

The SES has been e5tensively tested, but if you think you have found a mistake in the document or hav9SAE rules committee in the usual manner.



spreadsheet are locked, you can only edit the cells shaded yellow.

e been left visible so you can see how the results are calculated.

he SES subission deadline please include your own proof of equivalency in the "Additional I

s listed in %&.&." where appropriate. This stops rules legal tube selections that have marginally lower s

e for images and supporting calculations to be pasted.

s, removed the ability to have negative rig compliance.

ent tabs to allow for local reinforcement.

upport, front hoop bracing, front bulkhead and shoulder harness bar tabs

ion of 5" value from 5'

monocoque chassis with multiple layup types

er sheet

( to also be selected

gn to a baseline square tubes improved properties

me that cannot such as the (additional info( and (welded tube insert( tabs. ;f

tube. ;f properly triangulated then the reinforced bent?two piece tube will beassis <ics( tab for the SES assessor to review. Bou may add additional proofr of tubes in the relevant calculation tab.

any questions on how to use the template please submit a question to the



fo" tab as well as filin# a $ules question%

trength or stiffness from being reported as not equivalent.



$niversity =ame ar =o.@s C Event@s

Team ontact Email Address

9aculty Advisor Email Address

;s proof of equivalency for your design required for any of the rulesD

No% 'hassis does not deviate fro baseline requireents

3ule =o. 3ule 0escription

BES =2 %&."#

BES =2 %&.""

BES =2 %&."'

BES =2 %&."'.1

BES =2 %&."&

BES =2 %&."*

BES =2 %&."6

BES =2 %&.'-

BES =2 %).-."

=?A =?A %&.&-

=?A =?A %&.'6

=?A =?A %&.&#

=?A =?A %&.&"

=?A =?A %&.&-

=?A =?A %&.&'

=?A =?A %&.&&

=?A =?A %&.&-

=?A =?A %&.&)

BES =2 %&.'#.1

=?A =?A %&.&*

=?A =?A :! protection @Electric !ehicles only

=?A =?A Accumulator Support @Electric !ehicles only

Attachent 'hec(list )a(e sure all are included in your report*

3eceipt, letter of donation or proof for nonsteel materials @composite, honeycomb, resin, etc <roperties for all nonsteel materials 7onocoque +aminate Test data and pictures :oles -mm drilled in any regulated tubing require proof of equivalency, include area and moment of inertia

'+,-.E/E A--$+-$IA/E /AS /+ -$+E E3IA.EN'4

TE:=;A+ 277;TTEE 0E;S;2=?277E=TS

Approved by 0ate

2012 FSAE/, S/$3'/3$A. E3IA.EN'4 S-$EA5S6EE/ )SES* 1%0%12 7 '+E$ S6EE/

This form must be completed and submitted by all teas no later than the date specified in the Action 5eadlineson specific event website. The 9SAE Technical ommittee will review all submissions which deviate from the9SAET7 rules and reply with a decision about the requested deviation. All requests will have a confirmation of receiptsent to the team. Structural Equivalency Spreadsheets @SES must be submitted electronically in 7icrosoft E5cel9ormat @F.5ls. The submissions must be named as followsG schoolname4ses.5ls using the complete school name.-lease subit to the person indicated in the Action 5eadlines for each event%

;n the event that the 9SAE Technical ommittee requests additional information or calculations, teas have onewee( fro the date of request to submit the requested information.

%aseline

7aterial$sed

Alternative

7aterial$sed

0esign 0escription and?or

7aterial $sed

7ain 3oll :oop Tubing

9ront 3oll :oop Tubing

7ain 3oll :oop %racing Tubing

7ain :oop %racing Support Tube 9rames

9ront :oop %racing Tube 9rames

9ront %ulkhead Tube 9rames

9ront %ulkhead Support Tube 9rames

Side ;mpact Structure Tube 9rames

Shoulder :arness %ar

9ront :oop %racing 7onocoques

9ront %ulkhead 7onocoques

9ront %ulkhead Support 7onocoques

Side ;mpact Structure 7onocoques

7ain :oop %racing Support 7onocoques

7ain :oop Attachment 7onocoques

9ront :oop Attachment 7onocoques

:oop %racing Attach. 7onocoques

;mpact Attenuator Attachment 7onocoques

;mpact Attenuator Anti;ntrusion <late

Safety :arness Attachment 7onocoques

<lease see (Structural Equivalency Spreadsheet Huide( on the 3ead47e tab of the SES 8orkbook

N+/E& /6IS F+$, AN5 /6E A--$+E5 '+-4 +F /6E S3,ISSI+N ,3S/ E -$ESEN/E5

http://var/www/apps/conversion/tmp/scratch_7/




































A/ /E'6NI'A. INS-E'/I+N A/ EE$4 F+$,3.A SAE EEN/ EN/E$E5



Tube and +aminate Equivalency Tube " Tube ' Tube & omposite

E ; A r e

a

B i e l d

$ T S

B i e l d a s 8 e l d e d

$ T S a s 8 e l d e d

T u b

e 7 a t e r i a l

T u b

e t y p e

8 a

l l t h i c k n e s s

T u b

e 7 a t e r i a l

T u b

e t y p e

2 u t s i d e 0 i m e n s i o n

8 a


T u b

e 7 a t e r i a l

T u b

e t y p e

2 u t s i d e 0 i m e n s i o n

8 a


7 a t e r i a l

S k i n T i c k n e s s

=A =A =A =A =A =A =A =A =A Steel 3ound ').- '.-#


=A =A =A =A =A =A =A =A =A Steel 3ound ').- ".1#

=A =A =A =A =A =A =A =A =A Steel 3ound ').- ".')



=A =A =A =A =A =A =A =A =A Steel 3ound ').- ".')



=A =A =A =A =A =A =A =A =A

=A =A =A =A =A =A =A =A =A

=A =A =A =A =A =A =A =A =A

=A =A =A =A =A =A =A =A =A

=A =A =A =A =A =A =A =A =A

=A

=A

=A

=A

=A

E q u i v a l e n c y 2 I D

7 a 5

% e n d i n g + o a d

a t $

T S

7 a 5

d e f l e c t i o n a t

m a 5

b a s e l i n e l o a d

E n e

r g y a b s o r b e d

d u r i n g b e n d i n g

2 u t s i d e

0 i m

e n s i o n

< a n e l

T h i c k n e s s



< a n e l : e i g h t




2012 FSAE/, S/$3'/3$A. E3IA.EN'4 S-$EA5S6EE/ 7 '6ASSIS -I'/3$ES

<lease attach pictures of the frame and?or monocoque in the table below for review during the SES process. <leasecolour code all tubes to show outer diameter and wall thickness. Three view drawings and isometric views of thestructure @A0, 9EA models, etc are acceptable. =oteG The final decision about all designs will be made at technicalinspection. Approval of an SES does not guarantee passing Technical ;nspection.



,aterial 5ata Sheet

7aterial Spreadsheet ode Steel Aluiniu 1 Aluiniu 2 'arbon +ther 1

7aterial name Steel Aluminium Aluminium ' ply Bour 7at. "

Boungs 7odulus, E '.##E>"" /.##E>"# '.##E>## #.##E>## ".##E>##

Bield strength, <a &.#)E>#* ".##E>## '.##E>## #.##E>## ".##E>##$TS, <a &.1)E>#* ".##E>## '.##E>## #.##E>## ".##E>##

Bield strength, welded, <a ".*#E>#* ".##E>## '.##E>## =?A ".##E>##

$TS welded, <a &.##E>#* ".##E>## '.##E>## =?A ".##E>##

$TS shear, <a '."6E>#* ".##E>## '.##E>## ".##E>## ".##E>##

Steel properties based on SAE "#"# and are given in 3ule %&.&." =ote "

Tubing only

omposite only

Tubes > composite

3ound

Square



+ther 2 +ther 8 +ther 9 +ther : +ther ;

Bour 7at. ' Bour 7at. & Bour 7at. - Bour 7at. ) Bour 7at. 1

'.##E>## &.##E>## -.##E>## ).##E>## 1.##E>##

'.##E>## &.##E>## -.##E>## ).##E>## 1.##E>##'.##E>## &.##E>## -.##E>## ).##E>## 1.##E>##

'.##E>## &.##E>## -.##E>## ).##E>## 1.##E>##

'.##E>## &.##E>## -.##E>## ).##E>## 1.##E>##

'.##E>## &.##E>## -.##E>## ).##E>## 1.##E>##

. <er rule %&.) all steels are treated equally and are to use the above properties.



,ain 6oop Structural Equivalency 7 note< only steel ay be used

,aterial -roperty aseline 4our /ube

7aterial type Steel Steel

Tube shape 3ound 3ound

7aterial name ?grade Steel SteelBoungs 7odulus, E '.##E>"" '.##E>""

Bield strength, <a &.#)E>#* &.#)E>#*

$TS, <a &.1)E>#* &.1)E>#*

Bield strength, welded, <a ".*#E>#* ".*#E>#*

$TS welded, <a &.##E>#* &.##E>#*

Tube 20, mm ').- ').-

8all, mm '.- '.-

aseline 4our /ube

20, m #.#')- #.#')-

8all, m #.##'- #.##'-;, mJ- ".")6&E##* ".")6&E##*

E; '.&'E>#& '.&'E>#& "##.#

Area, mmJ' "/&.- "/&.- "##.#

Bield tensile strength, = ).'6E>#- ).'6E>#- "##.#

$TS, = 1.&&E>#- 1.&&E>#- "##.#

Bield tensile strength, = as welded &."'E>#- &."'E>#- "##.#

$TS, = as welded ).'#E>#- ).'#E>#- "##.#

7a5 load at mid span to give $TS for "m long tube, = ".&&E>#& ".&&E>#& "##.#

7a5 deflection at baseline load for "m long tube, m ".'#E#' ".'#E#' "##.#

Energy absorbed up to $TS, /.6*E>## /.6*E>## "##.#



Front 6oop Structural Equivalency






$TS, <a &.1)E>#* &.1)E>#*


$TS welded, <a &.##E>#* &.##E>#*

Tube 20, mm ').- ').-

8all, mm '.- '.-

aseline 4our /ube

20, m #.#')- #.#')-

8all, m #.##'- #.##'-;, mJ- ".")6&E##* ".")6&E##*

E; '.&'E>#& '.&'E>#& "##.#

Area, mmJ' "/&.- "/&.- "##.#

Bield tensile strength, = ).'6E>#- ).'6E>#- "##.#

$TS, = 1.&&E>#- 1.&&E>#- "##.#

Bield tensile strength, = as welded &."'E>#- &."'E>#- "##.#

$TS, = as welded ).'#E>#- ).'#E>#- "##.#

7a5 load at mid span to give $TS for "m long tube, = ".&&E>#& ".&&E>#& "##.#


Energy absorbed up to $TS, /.6*E>## /.6*E>## "##.#



,ain 6oop racin# 7 Note& +nly Steel ay be used






$TS, <a &.1)E>#* &.1)E>#*


$TS welded, <a &.##E>#* &.##E>#*

Tube 20, mm ').- ').-

8all, mm ".1 ".1

aseline 4our /ube

20, m #.#')- #.#')-

8all, m #.##"1 #.##"1;, mJ- *.)"E#6 *.)"E#6

E; "./#E>#& "./#E>#& "##.#

Area, mmJ' ""6.1 ""6.1 "##.#

Bield tensile strength, = &.1)E>#- &.1)E>#- "##.#

$TS, = -.&/E>#- -.&/E>#- "##.#

Bield tensile strength, = as welded '.")E>#- '.")E>#- "##.#

$TS, = as welded &.)6E>#- &.)6E>#- "##.#

7a5 load at mid span to give $TS for "m long tube, = 6./*E>#' 6./*E>#' "##.#


Energy absorbed up to $TS, ).*1E>## ).*1E>## "##.#



,ain 6oop racin# SupportsEnter construction type



Tubing Type 3ound 3ound7aterial name ?grade Steel Steel

Boungs 7odulus, E '.##E>"" '.##E>""


$TS, <a &.1)E>#* &.1)E>#*


$TS welded, <a &.##E>#* &.##E>#*

=umber of tubes ' '

Tube 20, mm ').- ').-

8all, mm ".') ".')

Thickness of panel, mmThickness of core, mm

Thickness of skins, mm

<anel height,mm

20, m #.#')- #.#')-

8all, m #.##"') #.##"')

;, mJ- 1.6&E#6 1.6&E#6

E; ".&6E>#& ".&6E>#&

Area, mmJ' "*6./ "*6./

Bield tensile strength, = )./6E>#- )./6E>#-

$TS, = 1.6'E>#- 1.6'E>#-

Bield tensile strength, = as welded &.-"E>#- &.-"E>#-

$TS, = as welded ).16E>#- ).16E>#-

7a5 load at mid span to give $TS for "m long tube, = ".)6E>#& ".)6E>#&

7a5 deflection at baseline load for "m long tube, m ".'#E#' ".'#E#'

Energy absorbed up to $TS, ".6"E>#" ".6"E>#"



/ubin# only

4our 'oposite 4our /otal

arbon

=A' ply

#.##E>##

#.##E>##

#.##E>##

=?A

=?A

''"*

'

'##

Tubing 2nly 1.6&E#6

".&6E>#& "##.#

"*6./ "##.#

)./6E>#- "##.#

1.6'E>#- "##.#

&.-"E>#- "##.#

).16E>#- "##.#

".)6E>#& "##.#

".'#E#' "##.#

".6"E>#" "##.#



Front 6oop racin#Enter construction type






$TS, <a &.1)E>#* &.1)E>#*


$TS welded, <a &.##E>#* &.##E>#*

=umber of tubes ' '

Tube 20, mm ').- ').-

8all, mm ".1 ".1



<anel height,mm

20, m #.#')- #.#')-

8all, m #.##"1 #.##"1

;, mJ- *.)"E#6 *.)"E#6

E; "./#E>#& "./#E>#&

Area, mmJ' '&6.& '&6.&

Bield tensile strength, = /.&#E>#- /.&#E>#-

$TS, = *./&E>#- *./&E>#-

Bield tensile strength, = as welded -.&"E>#- -.&"E>#-

$TS, = as welded /."*E>#- /."*E>#-

7a5 load at mid span to give $TS for "m long tube, = ".61E>#& ".61E>#&


Energy absorbed up to $TS, '.&-E>#" '.&-E>#"



/ubin# only


arbon

=A' ply

#.##E>##

#.##E>##

#.##E>##

=?A

=?A

''"*

'

'##

Tubing 2nly *.)"E#6

"./#E>#& "##.#

'&6.& "##.#

/.&#E>#- "##.#

*./&E>#- "##.#

-.&"E>#- "##.#

/."*E>#- "##.#

".61E>#& "##.#

".'#E#' "##.#

'.&-E>#" "##.#



Front ul(headEnter construction type






$TS, <a &.1)E>#* &.1)E>#*


$TS welded, <a &.##E>#* &.##E>#*

=umber of tubes ' '

Tube 20, mm ').- ').-

8all, mm ".1 ".1



<anel height,mm

20, m #.#')- #.#')-

8all, m #.##"1 #.##"1

;, mJ- *.)"E#6 *.)"E#6

E; "./#E>#& "./#E>#&

Area, mmJ' '&6.& '&6.&

Bield tensile strength, = /.&#E>#- /.&#E>#-

$TS, = *./&E>#- *./&E>#-

Bield tensile strength, = as welded -.&"E>#- -.&"E>#-

$TS, = as welded /."*E>#- /."*E>#-

7a5 load at mid span to give $TS for "m long tube, = ".61E>#& ".61E>#&


Energy absorbed up to $TS, '.&-E>#" '.&-E>#"



/ubin# only


arbon

=A' ply

#.##E>##

#.##E>##

#.##E>##

=?A

=?A

''"*

'

&##

Tubing 2nly *.)"E#6

"./#E>#& "##.#

'&6.& "##.#

/.&#E>#- "##.#

*./&E>#- "##.#

-.&"E>#- "##.#

/."*E>#- "##.#

".61E>#& "##.#

".'#E#' "##.#

'.&-E>#" "##.#



Front ul(head Support StructureEnter construction type /ubin# only

,aterial -roperty aseline

7aterial type Steel Steel SteelTubing Type 3ound 3ound 3ound

7aterial name ?grade Steel Steel Steel

Boungs 7odulus, E '.##E>"" '.##E>"" '.##E>""

Bield strength, <a &.#)E>#* &.#)E>#* &.#)E>#*

$TS, <a &.1)E>#* &.1)E>#* &.1)E>#*

Bield strength, welded, <a ".*#E>#* ".*#E>#* ".*#E>#*

$TS welded, <a &.##E>#* &.##E>#* &.##E>#*

=umber of tubes & & #

Tube 20, mm ').- ').- ').-

8all, mm ".') ".') ".')

%aseline designDThickness of panel, mm BES =?A

Thickness of core, mm


<anel height,mm

20, m #.#')- #.#')- =o tubes

8all, m #.##"') #.##"')

;, mJ- 1.6&E#6 1.6&E#6

E; -."1E>#& -."1E>#&

Area, mmJ' '*-.) '*-.)

Bield tensile strength, = *.1*E>#- *.1*E>#-

$TS, = ".#-E>#) ".#-E>#)

Bield tensile strength, = as welded )."'E>#- )."'E>#-

$TS, = as welded *.)-E>#- *.)-E>#-

7a5 load at mid span to give $TS for "m long tube, = ".'#E>#& ".'#E>#&

7a5 deflection at baseline load for "m long tube, m ).66E#& ).66E#&

Energy absorbed up to $TS, &.)*E>## &.)*E>##

If FEA is required for 'oposite structures then add this inforation below

4our /ubetype 1

4our /ubetype 2



4our /otal

Steel Steel3ound =A

Steel Steel

'.##E>"" '.##E>""

&.#)E>#* &.#)E>#*

&.1)E>#* &.1)E>#*

".*#E>#* ".*#E>#*

&.##E>#* &.##E>#*

#

').-

".')

BES=?A ')

''

".)

&##

=o tubes

1.6&E#6 Tubing 2nly 1.6&E#6

-."1E>#& -."1E>#& "##.#

'.*)E>#' '*-.) "##.#

*.1*E>#- *.1*E>#- "##.#

".#-E>#) ".#-E>#) "##.#

)."'E>#- )."'E>#- "##.#

*.)-E>#- *.)-E>#- "##.#

".'#E>#& ".'#E>#& "##.#

).66E#& ).66E#& "##.#

&.)*E>## &.)*E>## "##.#

4our /ubetype 8

4our /ubes/otal

4our'oposite



Ipact Attenuator Anti7Intrusion -late

,aterial -roperty aseline 4our -late


7aterial name ?grade Steel Steel

Boungs 7odulus, E '.##E>"" '.##E>""Bield strength, <a &.#)E>#* &.#)E>#*

$TS, <a &.1)E>#* &.1)E>#*


$TS welded, <a &.##E>#* &.##E>#*

$TS shear, <a '."6E>#* '."6E>#*

Thickness of panel, mm ".) ".)

<anel height,mm &#) &#)

;, mJ- *.)*E"" *.)*E""

E; "./'E>#" "./'E>#" "##.#

Area, mmJ' -)/.) -)/.) "##.#Bield tensile strength, = ".-#E>#) ".-#E>#) "##.#

$TS, = ".1/E>#) ".1/E>#) "##.#

Bield tensile strength, = as welded *.'-E>#- *.'-E>#- "##.#

$TS, = as welded ".&/E>#) ".&/E>#) "##.#

<erimeter shear strength for ')mm dia punch, = '.)*E>#- '.)*E>#- "##.#

7a5 load at mid span to give $TS for "m long tube, = ".1/E>#' ".1/E>#' "##.#

7a5 deflection at baseline load for "m long tube, m '.#&E#" '.#&E#" "##.#

Energy absorbed up to $TS, ".16E>#" ".16E>#" "##.#

<A



Enter construction type /ubin# only

,aterial -roperty aseline

7aterial type Steel Steel SteelTubing Type 3ound 3ound 3ound

7aterial name ?grade Steel Steel Steel

Boungs 7odulus, E '.##E>"" '.##E>"" '.##E>""

Bield strength, <a &.#)E>#* &.#)E>#* &.#)E>#*

$TS, <a &.1)E>#* &.1)E>#* &.1)E>#*

Bield strength, welded, <a ".*#E>#* ".*#E>#* ".*#E>#*

$TS welded, <a &.##E>#* &.##E>#* &.##E>#*

=umber of tubes & & #

Tube 20, mm ').- ').- ').-

8all, mm ".1 ".1 ".1

%aseline designDThickness of panel, mm BES =?A

Thickness of core, mm


<anel height,mm

20, m #.#')- #.#')- =o tubes

8all, m #.##"1 #.##"1

;, mJ- *.)"E#6 *.)"E#6

E; ).""E>#& ).""E>#&

Area, mmJ' &)*.6 &)*.6

Bield tensile strength, = ".#6E>#) ".#6E>#)

$TS, = ".&"E>#) ".&"E>#)

Bield tensile strength, = as welded 1.-1E>#- 1.-1E>#-

$TS, = as welded ".#*E>#) ".#*E>#)

7a5 load at mid span to give $TS for "m long tube, = ".-/E>#& ".-/E>#&

7a5 deflection at baseline load for "m long tube, m ).66E#& ).66E#&

Energy absorbed up to $TS, -.&6E>## -.&6E>##

If FEA is required for 'oposite structures then add this inforation below

4our /ubetype 1

4our /ubetype 2



4our /otal

Steel arbon3ound =A

Steel ' ply

'.##E>"" #.##E>##

&.#)E>#* #.##E>##

&.1)E>#* #.##E>##

".*#E>#* =?A

&.##E>#* =?A

#

').-

".1

BES=?A ')

''

".)

&##

=o tubes

*.)"E#6 Tubing 2nly *.)"E#6

).""E>#& ).""E>#& "##.#

&.)6E>#' &)*.6 "##.#

".#6E>#) ".#6E>#) "##.#

".&"E>#) ".&"E>#) "##.#

1.-1E>#- 1.-1E>#- "##.#

".#*E>#) ".#*E>#) "##.#

".-/E>#& ".-/E>#& "##.#

).66E#& ).66E#& "##.#

-.&6E>## -.&6E>## "##.#

4our /ubetype 8

4our /ubes/otal

4our'oposite




Paste images of test setup here

Figure 1: Test setup - Laminate Panel

Paste load deflection curve here

Figure 2: Load Deflection Curve

Enter values for minimum and maximum loaddeflection in linear-elastic region! ! "radient #$mm% 0 12&'

! ! #() *ending stiffness of one *aseline side impact tu*e%

Enter value for force at panel failure or maximum tested force

0 #() *ending strength of t+o *aseline side impact tu*es%

,11

Enter details of test setup. panel core and s/in thic/nesses *elo+

l #mm% ,!! Panel 0upport 0pan

h #mm% 2!! Panel eight #should *e 2!!mm. alternative sies must *e agreed in advance%

* #mm% 22 Core Thic/ness #from 3452,34541 0ide 6mpact 0tructure ta*%

157 6nner 0/in Thic/ness #from 3452,34541 0ide 6mpact 0tructure ta*%

157 8uter 0/in Thic/ness #from 3452,34541 0ide 6mpact 0tructure ta*%

927! 0econd moment of area

E #"Pa% 0.0 0/in modulus of elasticit. #this value is used in all CF;P monoco<ue calcs5%

0 =T0 of s/ins. #this value is used in all CF;P monoco<ue 0E0 calculations

2012 FSAE/, SES 7 .A,INA/E /ES/ $ES3./S

x1#mm%

1 #$%

x2

mm 2 $

max

#$%

t1 #mm%

t2 #mm%

6 #mm,%

K=T0

#>Pa%





Figure 4: Test setup - 0teel tu*e#s%


Figure ,: Load Deflection Curve - 0teel Tu*e#s%

Enter values for minimum and maximum loaddeflection in linear-elastic region! ! "radient #$mm% 0

! !

Enter details of tu*e#s% tested

l #mm% ,!! Tu*e 0upport 0pan 15&,E?!

n 1 $um*er of Tu*es 15&,E?!

275, Tu*e 8uter Diameter ;ig Compliance #$mm% 0

2251 Tu*e 6nner Diameter

2012 FSAE/, SES 7 $IG '+,-.IAN'E /ES/ $ES3./S )+-/I+NA.*

x1#mm%

1 #$%

x2

mm 2 $

Theoretical E6 #$5mm2%

Tested E6 #$5mm2%D

o #mm%

i mm





Figure 1: Test setup



Enter value for force at failure or maximum tested force

! FAI.

Enter details of s/in thic/ness

!5!!

!5! 0hear strength of s/in. used for attachment calcs +here appropriate

2012 FSAE/, SES 7 8%80%8 -E$I,E/E$ S6EA$ /ES/ $ES3./S

max

t #mm%

Kshear

#>pa%





Figure 1: Test setup



Enter value for force at failure or maximum tested force

! FAI.

Enter details of s/in thic/ness

!5!!

!5! 0hear strength of s/in. used for attachment calcs +here appropriate

2012 FSAE/, SES 7 8%81%8 -E$I,E/E$ S6EA$ /ES/ $ES3./S

max

t #mm%

Kshear

#>pa%



,ain 6oop Attachents

=o. of attachment points per side ' Note& A iniu of two attachent points per side are r

Attachent 1 FAI. Attachent 2 FAI.

9astener dia., mm # 9A;+ 9astener dia., mm # 9A;+

=o. of fasteners # 9A;+ =o. of fasteners # 9A;+

%racket to hoop weld length, mm # 9A;+ %racket to hoop weld length, mm # 9A;+

%racket thickness, mm # 9A;+ %racket thickness, mm # 9A;+

%racket perimeter, mm # %racket perimeter, mm #

Skin thickness, mm # Skin thickness, mm #

Skin shear strength, 7<a # Skin shear strength, 7<a #

<erimeter shear strength, k= # 9A;+ <erimeter shear strength, k= # 9A;+

%acking plate thickness, mm # 9A;+ %acking plate thickness, mm # 9A;+

%acking plate perimeter, mm # %acking plate perimeter, mm #


Insert ia#es of each attachent point provin# the values used to prove equivalence below&



quired

Attachent 8 N=A Attachent 9 N=A














Front 6oop Attachents

=o. of attachment points per side ' Note& A iniu of two attachent points per side are r

9ront hoop material Steel Note& /his affects the iniu brac(et to hoop weld len

Side ;mpact or 9rt %L:ead SLport S;S Is the hoop attached to the side ipact structure or the fr

Attachent 1 FAI. Attachent 2 FAI.












Insert ia#es of fully lainated hoop or each attachent point provin# the values used to prove eq



quired for hoops that aren>t fully lainated into the chassis

th to prove equivalence to a welded side ipact tube to hoop ?oint

ont bul(head support structure< this affects the s(in shear stren#th used fro test results

Attachent 8 N=A Attachent 9 N=A












uivalence below&



,onocoque 6oop racin# Attachents

9ront :oop %race to 7onocoqueD =2 Set to "N+" if the front hoop bracin# is attached to tubes

9ront :oop %race 7aterialD Steel /his affects the iniu brac(et to hoop weld len#th to

7ain :oop %race to 7onocoqueD =2 Set to "N+" if the ain hoop bracin# is attached to tubes

Side ;mpact or 9rt %L:ead SLport S;S Is the ain hoop bracin# attached to a lainate the sae

Front 6oop racin# Attachent N=A ,ain 6oop racin# Attachent N=A

9astener dia., mm #.# 9A;+ 9astener dia., mm #.# 9A;+


%racket to brace weld length, mm # 9A;+ %racket to hoop weld length, mm # 9A;+









Insert ia#es of each attachent point provin# the values used to prove equivalence below&



or is inte#ral to the onocoque

prove equivalence to a welded side ipact tube to hoop ?oint

as the side ipact structure or front bul(head support@




Paste images of test setups here

Figure 1: Test setups

Paste load deflection curves here

Figure 2: Load Deflection Curves 0houlder harness attached to monoco<ue@ =2PA00 Lap-*elt attached to monoco<ue@ =2

Anti-su*marine *olt attached to monoco<ue@ =2

Com*ined Lap B Anti-su*marine *elt@ =2

Shoulder Harness Attachment

Enter value for force at failure or maximum tested force #() 14!!!$%

0 N=A

Lap Belt Attachment

Enter value for force at failure or maximum tested force #() 14!!!$%

0 N=A

Anti-submarine Belt Attachment

Enter value for force at failure or maximum tested force #() '7!!$%

0 N=A

Combined Lap Belt & Anti-submarine Belt Attachment

2012 FSAE/, S/$3'/3$A. E3IA.EN'4 S-$EA5S6EE/ 7 6A$NESS A//A'6,EN/ /ES/ $ES3./S

max

max

max



Enter value for force at failure or maximum tested force #() 17!!$%

0 N=Amax



Shoulder 6arness ar EquivalencyEnter construction type






$TS, <a &.1)E>#* &.1)E>#*


$TS welded, <a &.##E>#* &.##E>#*

=umber of tubes " "

Tube 20, mm ').- ').-

8all, mm '.- '.-



<anel height,mm

20, m #.#')- #.#')-

8all, m #.##'- #.##'-

;, mJ- "."1E#* "."1E#*

E; '.&'E>#& '.&'E>#&

Area, mmJ' "/&.- "/&.-

Bield tensile strength, = ).'6E>#- ).'6E>#-

$TS, = 1.&&E>#- 1.&&E>#-

Bield tensile strength, = as welded &."'E>#- &."'E>#-

$TS, = as welded ).'#E>#- ).'#E>#-

7a5 load at mid span to give $TS for "m long tube, = ".&&E>#& ".&&E>#&


Energy absorbed up to $TS, /.6*E>## /.6*E>##



/ubin# only


arbon

=?A' ply

#.##E>##

#.##E>##

#.##E>##

=?A

=?A

'''#

"

&##

Tubing 2nly "."1E#*

'.&'E>#& "##.#

"/&.- "##.#

).'6E>#- "##.#

1.&&E>#- "##.#

&."'E>#- "##.#

).'#E>#- "##.#

".&&E>#& "##.#

".'#E#' "##.#

/.6*E>## "##.#




;f you have a monocoque chassis enter your proof of equivalency to - Hrade *.* 7* fasteners in the cells below.

2012 FSAE/, SES 7 ,+N+'+3E IA A//A'6,EN/S



elded /ube Insert Equivalency 7 required for all andated tubes per If you have ore than one type of insert please copy this tab

,aterial -roperty 4our /ube


Tube Shape 3ound =?A7aterial name ?grade Steel Steel


Bield strength, <a &.#)E>#* =?A

$TS, <a &.1)E>#* =?A

Bield strength, welded, <a =?A ".*#E>#*

$TS welded, <a =?A &.##E>#*

Tube 20, mm ').-

8all, mm '.-

4our /ube20, m #.#')-

8all, m #.##'-

;, mJ- ".")6&E##* #.##E>##

E; '.&'E>#& #.##E>## #.#

Area, mmJ' "/&.- #.# #.#

Bield tensile strength, = ).'6E>#- #.##E>## #.#

$TS, = 1.&&E>#- #.##E>## #.#

7a5 load at mid span to give $TS for "m long tube, = ".&&E>#& #.##E>## #.#

7a5 deflection at baseline load for "m long tube, m ".'#E#' #.##E>## 666.#

Energy absorbed up to $TS, /.6*E>## #.##E>## #.#

Note 7 the calculations above ta(e account of the "as welded condition" stren#th redu

Insert calculations or 'A5 screenshot provin# tube C insert area and second oent

of area below% 3se the "Additional Info" tab if ore space is needed%

4our /ubeC Insert

4our /ube

C Insert



%8%1 with drilled holes B 9 dia%

ction




2012 FSAE/, S/$3'/3$A. E3IA.EN'4 S-$EA5S6EE/ 7 '+N/IN3A/I+N /A

<lease use this sheet to include additional information required for your proof of equivalency that isnLt covered by thestandard forms e.g. material receipts. This tab may be copied if one page isnLt sufficient.

2012 FSAE Structural Equivalency Spreadsheet V1.0.12

Documents

Transcript of 2012 FSAE Structural Equivalency Spreadsheet V1.0.12