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1 Dte: uthor: FEMFT upport EC / Dicloure or dupliction without conent i prohibited

2 OVERVIEW Efficient Modeling nd Evlution of Welding em t tdler Ril ltenrhein/witzerlnd Johnn Hbenbcher tdler ltenrhein G / witzerlnd Klu Hofwimmer xel Werkhuen EC t. Vlentin / utri Weld em modeling in FE-Preproceor Weld em modeling in FEMFT Viulizer inted Ftigue nlyi of Weld em in FEMFT WELD (propoed method by tdler Ril) Procedure t TDLER RIL for weldem modeling FE mehing in Hypermeh Weld em definition in FEMFT VIULIZER hlf model Dummy nlyi for output file mirror the definition to the other hlf (externl tool) Ftigue nlyi with FEMFT Dte: uthor: FEMFT upport EC / Dicloure or dupliction without conent i prohibited

3 Weld em modeling in FE-Preproceor etup of FE Model For Exmple With hell Element Core Meh Dte: uthor: FEMFT upport EC / Dicloure or dupliction without conent i prohibited 3

4 Weld em modeling in FE-Preproceor Definition of Weld em ccording to Modeling Guideline Weld Node re recognied by Node colour or Coord. ytem Weld Type i Recognied by Element ID MT 03 No Modifiction of Mteril Propertie FEMFT Model Guidline for T-joint MT 05 Dte: uthor: FEMFT upport EC / Dicloure or dupliction without conent i prohibited 4

5 Modeling Guideline for T-Joint Weldtype: T-JOINT emform: One ided fillet weld D Modelling: Element type Element mteril number Weld em node colour : THIN HELL (qudrilterl tringle) : MT0 - MT06 : C00... norml weld em node C0... weld em end not welded round C0... weld em end welded round Dte: uthor: FEMFT upport EC / Dicloure or dupliction without conent i prohibited 5

6 Weld em modeling in FEMFT Viulizer Dte: uthor: FEMFT upport EC / Dicloure or dupliction without conent i prohibited 6

7 Weld em modeling in FEMFT Viulizer Definition of Weld Type em hpe Welded ide Exmple: T-Joint welded t one ide election of welding em E Definition of welding em trt node mid node end node etc. by color Dte: uthor: FEMFT upport EC / Dicloure or dupliction without conent i prohibited 7

8 Benefit: Viuliztion of Detiled Geometry Uer defined weld geometry in WELD dtbe! Dte: uthor: FEMFT upport EC / Dicloure or dupliction without conent i prohibited 8

9 MT TOP Ftigue nlyi of Weld em in FEMFT WELD Modelling Guideline FE-Model tre Reult Lod Hytorie C 00 TOP TOP MT 07 MT 09 Dmge (/Life) fety Fctor nlyi Report WELD Dtbe uthor: FEMFT upport EC / Dicloure or dupliction without conent i prohibited 9

10 Clcultion in FEMFT WELD tructurl tree Notch Fctor = Notch tree WELD Dtbe = tructurl tree out of FE Reult ll detil re tored in open FEMFT WELD dtbe Weld /N Curve High Digrm form Men tre Influence Influence of hell Thickne Notch fctor Notch tree re tructurl tree multiplied by Notch fctor Dte: uthor: FEMFT upport EC / Dicloure or dupliction without conent i prohibited 0

11 ement of tructurl tre Weld Node e. g. C0 hell Orienttion Prllel Perpendiculr niotropic trength Chrcteritic for Welding em tree Perpendiculr nd Prllel to em re Criticl Trnformtion to locl Coordinte ytem Dte: uthor: FEMFT upport EC / Dicloure or dupliction without conent i prohibited

12 Red the pproprite notch fctor from FEMFT WELD Dtbe $======================================================================================= $ T-Weld Double Fillet-Weld itution: $ $ $ Dt for node in the middle of the weld em $ $ MNT MNB UTL UTL UTL3 UBL UBL UBL3 WTL WTL WTL3 WBL WBL WBL3 PTO PBO $ $ $ BEPKT BEPKT BEPKT 3 BEPKT 4 $ Inclintion Inclintion Inclintion Inclintion $ Cycle Endur. Cycle Endur. Cycle Endur. Cycle Endur. $ Including N E Notch Fctor N /N 4.00 Curve E N High 4.00 Digrm E N Weld 4.00 Endurnce Limit Thickne Influence Fctor Dte: uthor: FEMFT upport EC / Dicloure or dupliction without conent i prohibited

13 Notch Fctor for different Direction cc. Rdij The notch tre in perpendiculr direction follow to: notch = nominl The notch tre in longitudinl direction follow to: notch = nominl = nominl + ( notch - nominl ) The notch her tre follow with = ( + )/ to: notch = nominl = nominl ( + )/... notch fctor perpendiculr to the weld em from the dtbe. Dte: uthor: FEMFT upport EC / Dicloure or dupliction without conent i prohibited 3

14 EC / Dicloure or dupliction without conent i prohibited Equivlent tre/endurnce fety: ) ( f V D V = V keff ) ( f DV 608: ; ; Every tndrd: prllel prllel lr perpendicu lr perpendicu prllel prllel lr perpendicu lr perpendicu prllel prllel Equivlent Equivlent DIN 508: ) ( ig MX B 7608:

15 Procedure t TDLER RIL for weldem modeling HM FEMFT Viulizer Dummy nlyi for export Ftigue nlyi Mirror the definition Dte: uthor: FEMFT upport EC / Dicloure or dupliction without conent i prohibited 5

16 Concluion tdler Ril limit the time for weldem modeling to bout 60% dditionl time for the dummy nlyi i mll. The cript for mirroring the definition from LTIR w worth the money within the econd project. The ftigue reult on the complete tructure (ymmetric reult for ymmetric lod) mke the rilwy uthoritie hppy. Dte: uthor: FEMFT upport EC / Dicloure or dupliction without conent i prohibited 6

17 Lodce definition nd combintion Dte: uthor: FEMFT upport EC / Dicloure or dupliction without conent i prohibited 7

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