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Thick steel plate in the laser bending ship Numerical simulation of geometrical effects

iteelementmethodarealsointroduced. Compa-ringwiththefiniteelementmethod,[link widoczny dla zalogowanych], theadvantagesofmeshlessmethodinmetalformingprocessaretestedbytheplainstrainup-settingprocess. Andthemainproblemandthedevelopingtrendarealsointroduced. Keywords: meshlessmethod; metalforming; finiteelement; upsetting (on the next page 37) NumericalsimulationofgeometricaleffectsinlaserbendingprocessofmoderatelythickshipbuildingsteelplatePEIJi - binZHANGLi - wenLVBoZHANGGuo-liang (MaterialengineeringDepartmentofDalianUniversityofTechnology,[link widoczny dla zalogowanych], Dalian116024China) WANGCun-shan (TheStateKeyLaboratoryforMaterialsModificationbyLaser,[link widoczny dla zalogowanych], IonandElectronBeams,[link widoczny dla zalogowanych], Dalian116024China) Abstract: A3-Dnonlinearquasi-staticelastic-plasticthermo- mechanicalcoupledfiniteelementmodelwasdeveloped. NumericalsimulationoflaserbendingprocessofmoderatelythickshipbuildingsteelplatewascarriedoutusingthefiniteelementsoftwareMSC. Marc. Thetemperaturefieldandthedisplacementfieldoflaserbendingprocessofshipbuildingsteelplateswerecalculatedusingthemode1. Thecorrespondingexperimentswerecarriedout. Thesimulatedresultsagreedwellwiththeexperimentalre-suits. Geometricaleffectsofplatesweresimulatednumericallyusingthefoundedmode1. Therelationshipetweenbendingangleofplatesandgeometricalparameterswerediscussedundercertaintechnicalconditionsduringthelaserbendingprocess. There-suitswilllayatheoreticfoundationforoptimizingtechnicalparametersoflaserbendingprocessofsteelplateinfuturemanufactur-ingprocess. Keywords: shipbuildingsteelplate; laserbending; geometricaleffects; numericalsimulation; finiteelement

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