By Dorel Banabic
ISBN-10: 3540698442
ISBN-13: 9783540698449
ISBN-10: 3540698450
ISBN-13: 9783540698456
The publication includes the main proper papers provided within the foreign convention on fabrics Forming, ESAFORM 2005. The checklist less than provides one of the most winning minisymposia of the conference:
- New and complicated numerical innovations in forming procedure simulation;
- Sheet steel forming applied sciences and modeling;
- Anisotropy and formability of fabrics;
- Polymer processing and modeling;
- Composite forming applied sciences and modeling;
- Superplastic forming.
Plenary and keynote papers have been offered by means of recognized experts operating within the fields of sheet steel forming expertise, car undefined, modeling of the mechanical habit in addition to the basic and commercial examine on polymeric fabrics. This quantity gathers chosen plenary and keynote papers offered within the convention, supplying an updated synthesis of the tutorial and business study within the fields of actual and numerical modeling of fabrics forming methods. The e-book turns out to be useful for the doctoral fellows, scientists and engineers enthusiastic about a number of domain names of fabrics processing technology.
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Extra info for Advanced Methods in Material Forming
Example text
The algorithm incorporates nonlinear FEM simulations which can be very time consuming to execute. As an illustration of its capabilities, the proposed algorithm is applied to optimise the internal pressure and axial feeding load paths of a hydroforming process. The product formed by the optimised process outperforms products produced by other, arbitrarily selected load paths. These results indicate the high potential of the proposed algorithm for optimising metal forming processes using time consuming FEM simulations.
Project: Numerical and Experimental Validations. Numerical validation, already initiated in the preparatory phase, is pursued and several milestones correspond to reviews on digital mockups (Digital Mockup Design Review). The design of the parts is finalized, the materials-processes are specified, the industrialization scheme is defined. The “product-process production and definition” is the physical convergence phase that comes after the simulation convergence phase. Any change in the plan of a part, any modification in the material-process solution will then have exorbitant consequences on deadline and cost.
4 is possible to conclude that none of the presented yield criteria parameters could perfectly describe the in plane variation of the r-values. The YLD91 and the KB93 are almost coincident. The curve obtained from the classical relationship between the Hill parameters and the r-values (HILL48 r0 r45 r90) is the worst solution. Figure 5 shows the experimental and numerical yield stress points for the identification procedure of Condition A. The results obtained with the DL2001 yield criterion are quite close to the experimental data.
Advanced Methods in Material Forming by Dorel Banabic
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