forming simulation.
Coupled heating-forming simulation of the thermoforming of thermoplastic composites
... Forming simulation The forming simulation is based on a non-orthogonal constitutive model based on the work of Khan [7] and Pierce [8]. This model considers the composite as a continuous, ...
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Towards a coupled heating-forming simulation of the thermoforming of thermoplastic composites
... of forming simulation for woven composites has seen a lot of activity over the last ...the forming cannot be considered adiabatic: when the laminate contacts the tool, its temperature rapidly ...
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Metric generation for anisotropic mesh adaptation, with numerical applications to material forming simulation
... d’une simulation num´ erique pour rendre le maillage, sur lequel elle a ´ et´ e men´ ee, parfaitement compatible avec les ph´ enom` enes physiques mod´ elis´ es ? La r´ eponse que nous apportons ici repose sur la ...
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Single point incremental forming simulation with adaptive remeshing technique using solid-shell elements
... During the SPIF process simulation many elements are refined and coarsened, so as a result many cells are created and removed. A “linked list” is used as a data structure to insert and remove cells at any point in ...
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Adaptive remeshing for incremental forming simulation
... Simulating this process is a complex task. First, the tool diameter is small compared to the size of the metal sheet. Moreover, during its displacement, the tool deforms almost every part of the sheet, which implies that ...
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Quadratic solid‒shell elements for nonlinear structural analysis and sheet metal forming simulation
... 3 of zero-energy (hourglass) modes, which are induced by the reduced-integration rule (see, e.g., Abed-Meraim and Combescure [12], Schwarze et al. [18]). In this paper, two quadratic solid‒shell elements are proposed ...
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On the implementation of the continuum shell finite element SHB8PS and application to sheet forming simulation
... metal forming, shell elements have difficulties in dealing with double-sided contact – while conventional solid elements require several element layers to capture bending ...
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Application of the continuum shell finite element SHB8PS to sheet forming simulation using an extended large strain anisotropic elastic–plastic formulation
... this work, an average value is taken over the integration points across the thickness. This choice avoids an overstiff response that would correspond to a purely elastic hourglass stabilization scheme. This simple and ...
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Validation of a new finite element for incremental forming simulation using a dynamic explicit approach
... Incremental Forming INTRODUCTION Single point incremental forming (SPIF) is a sheet metal forming process that is very appropriate for rapid prototyping because it does not require any dedicated dies ...
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Meshless methods for the simulation of material forming
... 4 Conclusions Meshless methods arose in the middle nineties as a promising alternative to finite elements where the process of generation of complex meshes constitutes a major issue or where mesh distortion provoke loss ...
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Modelling Nano-Composites: From Rheology to Forming Processes Simulation
... Material Forming, Simulation 1 INTRODUCTION Carbon nanotubes (CNTs) are cylinders of rolled graphite sheets possessing high mechanical strength, low density, and special electronic properties ...
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Numerical simulation of peen forming induced deformations: modeling and experimental validation
... Appreciable for relatively thin specimens. Peen forming simulation gives good results for these first application cases. Investigation of the deformation mechanisms of thin metallic parts. To give a ...
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2015 — Numerical simulation of forming of thermoplastic composites PPS / Carbon fiber
... stamp forming of four-layer laminate and ten-layer laminate of PPS/CF composites has been well researched in both experiment and ...on forming predictions have been ...for forming simulation ...
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Multiscale finite element simulation of forming processes based on crystal plasticity
... Introduction Although commonly used for the simulation of sheet metal forming processes, the traditional commercial finite element (FE) codes have several limitations. These restrictions are mainly related ...
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Progressive wave: a new multisource vibration technique to assist forming processes - kinematic study, simulation results and design proposition
... the forming process has already shown numerous advantages in the improvement of mechanical and surface properties of workpiece such as good surface or less friction between die and ...
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Simulation of Structural Applications and Sheet Metal Forming Processes Based on Quadratic Solid–Shell Elements with Explicit Dynamic Formulation
... Fig. 11. Radial deflection at point A for the pinched hemispherical shell. The simulation results obtained with the mixture of SHB-EXP elements, in terms of history of radial deflection at point A, are plotted in ...
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2007 — Finite element modeling and simulation of roll bending process for forming a thick conical hollow shape
... Before the geometrie setup is chosen, certain parameters must be determined: The dimensions of the desired cone, including the bottom radii, the top radii and the heig[r] ...
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Numerical simulation of metal forming processes with 3D adaptive Remeshing strategy based on a posteriori error estimation
... metal forming processes, was proposed in order to solve problems associated with the severe mesh distortion that occurs during the ...metal forming processes ...
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Finite element simulation of sheet metal forming processes using non-quadratic anisotropic plasticity models and solid-Shell finite elements
... numerical simulation of thin 3D structures with various constitutive ...the simulation of forming processes with metallic materials involving strong ...the simulation of benchmark deep drawing ...
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Numerical simulation of metal forming processes with 3D adaptive Remeshing strategy based on a posteriori error estimation
... 3 ≤ R e ≤ 3 2 . Figure 17 shows that the both simulations start with the same number of optimal elements. With the standard process, the percentage of optimal element decrease after each load displacement step until the ...
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