WORKSHOP 15 PARASOLID MODELING

WORKSHOP 15 PARASOLID MODELING

WS15-2

Workshop Ojetives Crete prsoli moel of tension fitting using numer of the prsoli tools in MSC.Ptrn WS15-3

Suggeste Exerise Steps 1. Crete new tse for the tension fitting moel. 2. Crete ll the neessry 2D Geometry. 3. Extrue the surfe to egin reting the soli moel. 4. Crete soli shell y removing prt of the soli. 5. Crete fillets for ll insie eges of the soli. 6. Crete holes for the moel y reting soli yliners tht pss through it, n then use oolen to sutrt the yliners. 7. Crete yliners to imprint the moel. 8. Imprint the soli using the yliners. 9. Delete the yliners use for imprinting. 10. TetMesh the omplete soli 11. Crete los n onstrints on the moel tht will e use in the nlysis. 12. Crete mteril properties for the moel. 13. Crete the 3D element properties. 14. Chek to see tht the lo se Defult hs the lo n onstrint. 15. Run the nlysis y sening the moel to MSC.Nstrn. 16. Aess the results y tthing the XDB file. 17. Post-proess the results from MSC.Nstrn. WS15-4

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 Tolerne Bse on Moel. e. Selet MSC.Nstrn s the Anlysis Coe. f. Selet Struturl s the Anlysis Type. g. Clik OK. g f e WS15-5

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. WS15-6

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 <0.5 0 0> for Diretion Vetor.. Clik in the Point List ox. e. Clik on the top-left orner. f. Enter <0 0.5 0> for Trnsltion Vetor. g. Clik in the Point List ox. h. Clik on the ottom-right orner. e f h g WS15-7

Step 2. Crete Surfe (Cont.) Crete urve y onneting the two trnslte points.. Geometry: Crete / Curve / Point.. Clik on one of the two trnslte points s the strting point n the other s the ening point. WS15-8

Step 2. Crete Surfe (Cont.) Brek the surfe with the slope urve.. Geometry: Eit / Surfe / Brek.. Selet the retngulr surfe for the Surfe List n the slope urve for the Brek Curve List.. Clik Yes when messge ox ppers.. Clik the Refresh Grphis ion. WS15-9

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. WS15-10

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.. Clik in the surfe list ox n then lik on the surfe. e. Clik Iso1 view. f. Clik the Smoothshe ion. WS15-11

Step 4. Crete soli shell Eit the soli using the shell metho to rete shelle soli.. Geometry: Eit / Soli / Shell. Enter 0.25 for Thikness n turn off Auto Exeute.. Clik on Soli Fe List n hol own the shift key n selet the top, slope, n front fes of the soli.. Clik Apply. WS15-12

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 Eges of Soli ion is selete. e. Clik on Soli Ege List n sreen pik the two eges on the insie ottom of the soli. f. Sreen pik the insie rer ege of the soli, s shown. (Ptrn will utomtilly len the two remining inner eges.) It my e neessry to rotte the ojet in orer to see then inner eges more esily. This n e one y holing the mile mouse utton n moving the mouse. f e e WS15-13

Step 6. Crete Holes for the Tension Fitting Crete the holes for the tension fitting y reting 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 [-1 1.25 1] 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. h i g f e WS15-14

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: Crete / Point / Extrt.. Selet the Curve Ion.. Clik in the urve list ox n selet the urve s shown. e. Geometry: Trnsform / Point / Trnslte. f. Enter <-0.75 0.25 0> for Diretion Vetor. g. Clik in the point list ox n selet the new point. h. Enter <-1.50 0 0> for Diretion Vetor. i. Enter 2 for repet ount. j. Selet the trnslte point. j g f e h i j WS15-15

Step 6. Crete Holes for the Tension Fitting (Cont.) g Crete yliners n then holes y sutrting them from the soli.. Geometry: Crete / Soli / Primitive.. Selet yliner ion.. Enter -1.0 for Height List n 0.125 for Rius List.. Turn off Auto Exeute. e. Shift-lik to selet the three trnslte points for Bse Center Point List. f. Enter Coor 0.2 for xis list n lik Apply. g. Clik Smooth She ion. h. Geometry: Eit / Soli / Boolen. i. Selet sutrt ion n turn off Auto Exeute. j. Selet tension fitting s Trget Soli. k. Shift-lik ll three yliners for Sutrting Soli List. l. Clik Apply. f e WS15-16 j l j k h It my e neessry to rotte the ojet severl times in orer to selet the yliners with ese i

Step 7. Crete Cyliner to Imprint Tension Fitting j Crete point in the enter of the lrge hole in orer to rete yliner to imprint onto the soli. Then rete the yliner tht will e use for imprinting.. Clik Wirefrme ion.. Geometry: Crete / Point / ArCenter.. Selet the hole ege.. Geometry: Crete / Soli / Primitive. e. Selet yliner ion f. Enter 1.0 for Height n 0.371 for Rius. g. Clik on point in the enter of the ig hole. h. Enter Coor 0.1 for Axis List. i. Clik Apply. j. Clik Smooth She ion. g WS15-17 e f g h i

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). The soli my seem unhnge, ut the imprint on the soli will not e visile until the the yliner hs een elete. WS15-18

Step 9. Delete the Cyliners Delete the yliner n mke sure imprint metho ws omplete.. Geometry: Delete / Soli. Selet the yliner for Soli List.. Clik Apply. WS15-19

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. WS15-20 e

Step 11. Crete Los n Constrints Crete the los n onstrints for the moel.. Clik Refresh Grphis ion. Los/BCs: Crete / Totl Lo / Element Uniform.. Enter Fore s the New Set Nme.. Clik Input Dt e. Enter <-5000 0 0> for the Lo n lik OK. f. Clik Selet Applition Region g. Selet the nnulr fe rete y imprinting t the lrger hole, then lik A. h. Clik OK i. Clik Apply. e h g f i WS15-21 g Illustrte here is the esire pplition region.

Step 11. Crete Los n Constrints (Cont.) WS15-22

Step 11. Crete Los n Constrints (Cont.) Crete the onstrints on 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 surfes t the three holes on the se, n Clik A. i. Clik OK. j. Clik Apply. j e WS15-23 h g Illustrte here is the esire pplition region for one of the three holes. f h i

Step 11. Crete Los n Constrints (Cont.) WS15-24

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 the Poisson Rtio. e. Clik OK f. Clik Apply. e f WS15-25

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 on the Selet Mteril Ion. e. Selet Aluminum. f. Clik OK g. Selet the soli for Applition Region, n lik A. h. Clik Apply. e g f WS15-26 h

Step 14. Chek the Lo Cse Chek the lo se Defult to mke sure tht the lo n onstrint re selete.. Lo Cses: Moify. Clik on the lo se nme Defult.. Chek to see tht oth the lo n onstrints re ssigne.. Clik Cnel. WS15-27

Step 15. Run the Anlysis Run the Anlysis with MSC.Nstrn.. Anlysis: Anlyze / Entire Moel / Full Run.. Clik Trnsltion Prmeters.... Mke sure oth XDB n Print re selete for Dt Output.. Clik OK. e. Clik Solution Type f. Mke sure LINEAR STATIC is selete. g. Clik OK. h. Clik Apply. f e WS15-28 g h

Step 16. Aess the Results Atth the XDB file to ess the results.. Anlysis: Aess Results / Atth XDB / Result Entities.. Clik Selet Results File. Selet tension_fitting.x n lik OK.. Clik Apply. WS15-29

Step 17. Disply Results Crete eformtion plot. Results: Crete / Deformtion.. Selet Displements, Trnsitionl from Selet Deformtion Result.. Clik Apply. WS15-30

Step 17. Disply Results (Cont.) f 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 WS15-31 g

Step 17. Disply Results (Cont.) WS15-32

Step 17. Re 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. e. Now turn off verging n plot the stresses gin. WS15-33

Step 17. Re Results (Cont.) WS15-34