WORKSHOP 7 PARASOLID SOLID EXAMPLE
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1 WORKSHOP 7 PARASOLID SOLID EXAMPLE WS7-1
2 WS7-2
3 Workshop Ojetives Lern some of the steps tht n e use to rete B-rep soli, i.e. extrue surfe, shell, n ege len. Then, rete the finite element moel. Anlyze the moel, n postproess the results from its nlysis. Prolem Desription Disply the eforme shpe of the moel using she rener. Also, isply the von Mises stress fringe. Tension fitting mteril: Aluminum with E = 10 x 10 6 psi n ν = 0.3 Totl lo on tension fitting = 5000 lf Softwre Version MSC.Ptrn 2005r2 MSC.Nstrn 2005r2 WS7-3
4 Key Conepts n Steps: Dtse: rete new tse with Anlysis Coe = MSC.Nstrn n Anlysis Type = Struturl Geometry: rete B-rep soli y extruing rete surfe, then o vrious things like shell n ege len Elements: mesh the geometri soli with soli Tet10 elements Los/BCs: onstrin the three holes t ottom of soli, n pply Totl Lo to the lrge hole t the k of the fitting Mterils: speify n isotropi mteril for Aluminum Properties: rete 3D soli property Anlysis: Solution Type = Nstrn Liner Stti, Solution Sequene = 101, Metho = Full Run Anlysis: ess nlysis results y tthing the XDB file to tse Results: plot moel eformtion n von Mises stress results WS7-4
5 Step 1. Crete New Dtse for Tension Fitting Crete new tse lle tension_fitting... File / New.. Enter tension_fitting s the file nme.. Clik OK.. Choose Bse on Moel for Tolerne. e. Choose MSC Nstrn n Struturl for Anlysis Coe n Type. f. Clik OK. f e WS7-5
6 Step 2. Crete Surfe Crete the Geometry for the tension fitting.. Geometry : Crete / Surfe / XYZ.. Enter <5 2 0>for Vetor Coorintes List.. Enter [0 0 0] for Origin Coorintes List.. Clik Apply. WS7-6
7 Step 2. Crete Surfe (Cont.) Copy points t opposite orners.. Clik inrese Point Size ion to show ll points enlrge.. Geometry : Trnsform / Point / Trnslte.. Enter < > for Trnsltion Vetor.. Selet top-left orner n lik Apply. e. Enter < > for Trnsltion Vetor. f. Selet ottom-right orner n lik Apply. f e f WS7-7
8 Step 2. Crete Surfe (Cont.) Crete urve y onneting the two trnslte points n rek the surfe with the urve.. Geometry: Crete/Curve/ Point.. Clik on one of the two points from trnsltion s the strting point n the other s the ening point. WS7-8
9 Step 2. Crete Surfe (Cont.) e Brek the surfe n elete the upper portion of the originl surfe.. Geometry : Eit / Surfe / Brek.. Turn Auto Exeute off.. Selet the retngulr surfe for the Surfe List n the slope urve for the Brek Curve List.. Clik Apply n Yes when messge ox ppers. e. Clik the Refresh Grphis ion. WS7-9
10 Step 2. Crete Surfe (Cont.) Delete the upper surfe (ove the rek urve).. Geometry : Delete / Surfe.. Clik on the tringulr surfe for the Surfe List.. Clik Apply. WS7-10
11 Step 3. Extrue the Surfe to Crete Soli f e Crete Prsoli soli y extruing the surfe in the Z- iretion.. Geometry : Crete / Soli / Extrue.. Mke sure TetMeshle soli ion is selete.. Enter <0 0 2> for the Trnsltion Vetor.. Selet Surfe 2 in the Surfe List Box. e. Clik Iso1 view. f. Clik the Smooth-she ion. WS7-11
12 Step 4. Crete Shell Soli Eit the soli using the shell metho to rete shelle soli.. Geometry : Eit / Soli / Shell. Enter 0.25 for Thikness. Turn off Auto Exeute.. Clik on Soli Fe List n hol own the shift utton n selet the top, slope, n front fes of the soli.. Clik Apply. WS7-12
13 Step 5. Crete Fillets Crete the fillets on the inner eges of the soli.. Geometry : Eit / Soli /Ege Blen.. Mke sure tht the onstnt rius ion is selete.. Enter 0.25 for Constnt Rius.. Mke sure Ege(s) of Soli ion is selete. e. Turn Auto Exeute Off. f. Clik on Soli Ege List n use the shift-lik tehnique n selet the 5 eges on the insie of thesoli. g. Clik Apply. It my e neessry to rotte the ojet in orer to see the inner eges more esily. This n e one y using the mile mouse utton. f e g f WS7-13
14 Step 6. Crete Holes for the Tension Fitting Crete the holes for the tension fitting yreting primitive solis tht pss through the soli, then sutrting them.. Geometry : Crete / Soli / Primitive.. Selet the yliner ion.. Enter 2.0 for the Height n 0.25 for the rius.. Enter [ ] for the Bse Center Point List n Coor 0.1 for the Axis List. e. Clik Apply. f. Geometry : Eit / Soli /Boolen. g. Selet Sutrt ion. h. Selet the tension fitting for the Trget Soli. i. Selet the yliner for the Sutrting Soli List. e h i g f WS7-14
15 Step 6. Crete Holes for the Tension Fitting (Cont.) Crete the points where the three ottom holes will e ple y trnslting n existing point n, then trnslting gin.. Clik wirefrme ion.. Geometry : Trnsform /Point / Trnslte.. Enter < > for Trnsltion Vetor.. Selet point t se ege of fillet. e. Apply f. Enter < > for Trnsltion Vetor. g. Selet trnslte point. h. Apply i. Enter < > for Trnsltion Vetor. j. Enter 2 for repet ount. k. Selet trnslte point. l. Apply k g j e WS7-15
16 Step 6. Crete Holes for the Tension Fitting (Cont.) Crete yliners using points s se enters n then rete holes y sutrting them from the soli.. Clik Smooth she ion.. Geometry : Crete / Soli / Primitive.. Selet yliner ion.. Enter -1.0 for Height List n for Rius List. e. Use the shift-lik tehnique to selet the three trnslte points for Bse Center Point List. f. Enter Coor 0.2 for xis list n lik Apply. g. Geometry : Eit / Soli /Boolen. h. Selet sutrt ion. i. Selet tension fitting (Soli 1) s Trget Soli. j. Shift-lik ll three yliners for Sutrting Soli List. k. Clik Apply. f e WS7-16 j e k i j h g It my e neessry to rotte the ojet severl times in orer to selet the yliners with ese
17 Step 7. Crete Cyliner to Imprint Tension Fitting k Crete point in the enter of the lrge hole in orer to rete the yliner to imprint onto the soli.. Clik wirefrme ion.. Geometry : Crete / Point / ArCenter.. Selet the lrger hole ege.. Apply e. Geometry : Crete / Soli / Primitive. f. Selet yliner ion. g. Enter 1.0 for Height List n for Rius List. h. Clik on point in the enter of the lrge hole. i. Enter Coor 0.1 for Axis List. j. Clik Apply. k. Selet Smooth She ion. h g f h e WS7-17 i j
18 Step 8. Imprint the Soli Use the yliner to imprint the soli n then elete the yliner, resulting in the finishe soli.. Geometry : Eit / Soli / Imprint.. Selet the tension fitting for the Soli List (A).. Selet the yliner for the Soli to Imprint List (B). WS7-18 The soli my seem unhnge, ut the imprint on the soli will not e visile until the yliner hs een elete.
19 Step 9. Delete the Cyliner Delete the yliner n mke sure imprint metho ws omplete.. Geometry : Delete / Soli. Selet the yliner for Soli List.. Clik Apply. Ege e to soli. WS7-19
20 Step 10. TetMesh the Complete Soli Crete the TetMesh for the tension fitting.. Elements : Crete / Mesh / Soli.. Mke sure Tet, TetMesh, n Tet10 re ll selete.. Clik on Input List n selet the soli.. Remove hek for Automti Clultion n enter 0.25 for Glol Ege Length. e. Clik Apply. WS7-20 e
21 Step 11. Crete Los n Constrints Crete the los n onstrints for the moel.. Clik Smooth She ion. Los/BCs : Crete / Totl Lo / Element Uniform.. Enter Fore s the New Set Nme.. Clik Input Dt e. Enter < > for the Lo n lik OK. f. Clik Selet Applition Region g. Selet the vertil soli fe rete y imprinting t the lrger hole, then lik A. h. Clik OK i. Clik Apply. i f WS7-21 e g h g Illustrte here is the esire pplition region.
22 Step 11. Crete Los n Constrints (Cont.) WS7-22
23 Step 11. Crete Los n Constrints (Cont.) Crete the onstrints t the se holes.. Los/BCs : Crete / Displement / Nol.. Enter Fixe s New Set Nme.. Clik Input Dt. Enter <0 0 0> for Trnsltion only, n lik OK. e. Clik Selet Applition Region. f. Clik on Selet Geometry Entities. g. Selet Surfe or Fe ion h. Shift-lik the ylinril fes of the three holes t the se, n Clik A. i. Clik OK. j. Clik Apply. g h f e j WS7-23 h Illustrte here is the pplition region for one of the three holes. i
24 Step 11. Crete Los n Constrints (Cont.) WS7-24
25 Step 12. Crete Mteril Properties Crete the mteril properties for the moel.. Mterils : Crete / Isotropi / Mnul Input. Enter Aluminum for Mteril Nme.. Clik Input Properties. Enter 10E6 for Elsti Moulus n 0.3 for Poisson Rtio. e. Clik OK f. Clik Apply. f WS7-25 e
26 Step 13. Crete 3D Element Properties Crete the 3D element properties for the tension fitting.. Properties : Crete / 3D / Soli.. Enter 3D_tets for Property Set Nme.. Clik Input Properties. Clik Mt Prop Nme ion. Selet Aluminum from Selet Mteril. e. Clik OK f. For Applition Region, selet entire soli y rgging ox roun it n lik A. g. Clik Apply. f e g WS7-26
27 Step 14. Chek the Lo Cse Chek the lo se Defult to mke sure tht the lo n onstrint Are selete.. Lo Cses : Moify. Clik on the lo se nme Defult.. Chek to see tht oth the lo n onstrints re ssigne.. Clik Cnel. WS7-27
28 Step 15. Run the Anlysis Run the Anlysis with MSC.Nstrn.. Anlysis : Anlyze / Entire Moel / Full Run.. Clik Trnsltion Prmeters.... Mke sure XDB n Print is selete.. Clik OK. e. Clik Solution Type f. Mke sure LINEAR STATIC is selete. g. Clik OK. h. Clik Apply. f e h WS7-28 g
29 Step 16. Aess the Results Atth the XDB file n ess the results.. Anlysis : Aess Results / Atth XDB / Result Entities.. Clik Selet Results File. Selet tension_fitting.x n lik OK.. Clik Apply. WS7-29
30 Step 17. Disply Results Crete eformtion plot. Results : Crete / Deformtion.. Selet SC1: DEFAULT, A1:Stti Suse uner Selet Result Cse(s). Selet Displements, Trnsitionl from Selet Deformtion Result.. Clik Apply. WS7-30
31 Step 17. Disply Results (Cont.) Erse the geometry n o not show the uneforme moel, so tht only the eforme moel is shown.. Disply : Plot/Erse. Clik Erse uner Geometry.. Clik OK.. Clik Disply Attriutes. e. Remove hek from Show Uneforme. f. For the Rener Style, hoose She. g. Clik Apply. e f WS7-31 g
32 Step 17. Disply Results (Cont.) WS7-32
33 Step 17. Disply Results (Cont.) Plot the von Mises stress for the moel.. Results : Crete / Fringe.. Selet Stress Tensor from Selet Fringe Result.. Selet Disply Attriutes, then set Disply to Element Eges. Clik Apply. It my lso e helpful to hnge the view severl times in orer to get etter visuliztion of the eformtions. This n e one either y holing own the mile utton on the mouse, or using the view ions. WS7-33
34 WS7-34
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