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Simulacija višestupnjastog procesa valjanja plosnatih proizvoda

Abstract

By means of numerical simulation of process it is possible to predict the global and local properties of profiles after each step of deformation. Determination of the influence of each certain stage in experimental way is rather cost-based and therefore resource-demanding. This is the reason why in the past years and decades took place the significant advancement of modeling in connection with the application of the numerical approach. On basis of physical approach it is possible for example to predict the development of material and properties of deformed working piece at every one by one following stage of deformation. The great necessity consists in creating of fast simulation systems, which can rapidly estimate the influence of parameters of deformation process on the properties of product and devices. The significant attention is dedicated to the calculation in real time so that In-Line-Simulation makes it possible to control and to operate the processes and devices.Pomoću numeričkog simuliranja procesa, moguće je predvidjeti ukupno i mjestimično svojstvo poslije svake provlake kod deformacije. Određivanje utjecaja svake pouzdane etape u eksperimentu je zapravo temelj cijene i dakle pitanje resursa. To je razlog da je prošlih godina i dekada došlo do značajnijeg modeliranja povezanih s primjenom numeričkog pristupa. Na temelju fizikalnog pristupa moguće je na primjer predvidjeti stanje materijala i svojstava oblikovanih komada u svakom kao i u slijedećem stupnju deformacije. Visoki zahtjevi sadrže ustrojstvo brzih simulacionih sustava, pomoću kojih je moguće brzo prosuditi utjecaje deformacionih procesa na svojstva proizvoda i unapređenje. Značajna pozornost je posvećena izračunu stvarnog vremena tako da lanac simulacije ostvari mogućnost kontrole i unapređenje datih procesa

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