ansys model of a cylindrical fused silica fibre-01

7/23/2019 ANSYS Model of a Cylindrical Fused Silica Fibre-01

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ANSYS Model of a CylindricalFused Silica Fibre

Steven ZechEmbry-Riddle Aeronautical niversity

!r" !avid Croo#s and !r" Calum $orrie

niversity of %las&o'

() *une (++,


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vervie'

N$E. $his $utorial 'as desi&ned for a /erson 'ith some &eneral0no'led&e of ANSYS"

Model a Cylindrical Fused Silica Fibre usin& eamelements"

E2tract the ener&y in the ta/ered re&ion and com/are tooverall ener&y"

Material 3ro/erties. E4 5 6"(E1+

3R4Y 5 +"16

!ensity 5 ((+(

oundary Conditions. Constrained at one end"


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!esi&nin& the Fibre

8 Enter ANSYS8 Create 9 0ey/oints:at the /oints. ;+ ;+ ;+


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!esi&nin& the Fibre

8 !efinin& the 7 HEAMI Sections8 Main Menu B 3re/rocessor B Sections Beam B

Common Sections

8 For ! 1 :Name. $o/< Sub-$y/e. Circle< R. 1"?e-7 NM!E. ,>Calc" Elem Results. Chec# YesB 0 B 0

8 SAKE ;tility Menu B File B Save R ty/eSAKE in the ANSYS Command 3rom/t"=


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Solvin&" " "

8 Main Menu B Solution B Solve B Current DS L e&in Solution ofCurrent Doad Ste/B 0

8 hen the solution is done clic# :Close and /roceed to 3ost-3rocessin&


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3ost-3rocessin&

8 Findin& the Ener&y8 Main Menu B %eneral 3ost3roc B Read Results B by 3ic#

$his 'ill sho' the , solutions ;or modes= and the freuency at 'hich the mode e2ists"

8 3ic# Set 1 B Read B Close

8 Main Menu B %eneral 3ost3roc B Element $able B !efine $able B

Add :tem. Ener&y B SENE B 0 B Close8 For a list of each element and its ener&y at the /ic#ed freuency.

8 Main Menu B %eneral 3ost3roc B Element $able B Dist Elem $able

8 For the total ener&y at the /ic#ed freuency.8 Main Menu B %eneral 3ost3roc B Element $able B Sum of Each tem B

0

8 $o &et an Ener&y of a !ifferent Freuency or Mode.8 Main Menu B %eneral 3ost3roc B Read Results B by 3ic#

8 3ic# Freuency B Read B Close

8 Main Menu B %eneral 3ost3roc B Element $able B !efine $able B/date

8 Main Menu B %eneral 3ost3roc B Element $able B Sum of Each tem B0


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Ener&y in the $a/ered Nec#

8 Selectin& the Elements in the Nec#

8 tility Menu B Select B Entities B Dines B y NumG3ic#

8 Select line ( B 0 ;Raise idden=

8 B Elements B Attached to B Dines B A//ly B 3lot


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Ener&y in the $a/ered Nec#

8 Findin& the Ener&y

8 Re/eat the /rocess from findin& the total ener&y onlyResults 'ill be for selected re&ion only"

8 Selectin& Everythin&

8 tility Menu B Select B Everythin&

8 tility Menu B 3lot B Elements ;or ty/e E3D$ in theANSYS Command 3rom/t


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A//lyin& &ravity and sin&Stress Stiffenin& Effects

Steven Zech

Embry-Riddle Aeronautical niversity

7 Au&ust (++,


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Settin& u/ an e2am/le model

8 Create a 3endulum usin& the methods fromHANSYS Model of a Cylindrical Fused SilicaFibreI by the same Author

8 Choose an element that has stress stiffenin&effects ;i"e" EAM1@)= and add material/ro/erties

8 Create #ey/oints< lines and eam sections"

8 A//ly mesh and all !is/lacement criteria in the

/re-/rocessor ;3re/6=

$his 'as made 'ith the nformation fromilde FEA Dtd" and the ANSYS 3roduct el/


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Addin& %ravity to the ANSYS Model

8 A//lyin& %ravity

8 Main Menu B Solution ;can also be a//lied in 3re/rocessor= B!efine Doads B A//ly B Structural B nertial B %ravity B %lobal"

8 $o a//ly &ravity ;or to HSimulate %ravityI=< An acceleration must bea//lied in the o//osite direction of &ravity" E2am/le. if &ravity is in the

ne&ative y-direction ;i"e" -)"@1 mGs(= then a//ly an ACED Y of O)"@1";See fi&ure=

8 Solvin& usin& a Static Solution ;ncludin& Stress Stiffenin&=

8 A Static solution must be ran before the Modal solution to calculatethe Ei&en values and ei&envectors to /ro/erly model Stressstiffenin& as a result of &ravity"

8 Main Menu B Solution BAnalysis $y/e B Ne' Analysis BStatic B 0

8 Solve


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Addin& %ravity cont" " "

8 Modal Solution

8 Main Menu B %eneral3ost3roc ;to avoid error messa&es=

8 Main Menu B Solution BAnalysis $y/e

8 B Ne' Analysis B ModalB 0

8 B Analysis /tions :No"of Modes to e2tract. (9>NM!E. (9> Calc" ElemResults. Chec# Yes>3S$RES. Chec# Yes B0 B 0

8 SDKE

8 Revie' the Results

$he 3S$RES command uses the Ei&en values and Ei&envectors calculated in the Static

solution to add stress stiffenin&< 'hich is needed to simulate &ravity in the model"

ansys model of a cylindrical fused silica fibre-01

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