More than 50% of e-Xstream’s software and services revenues are generated in the plastics industry. Our material and industry expertise added to the DIGIMAT technology allow us to address any plastic parts suppliers needs in material modeling.
- DIGIMAT, The nonlinear multi-scale material and structure modeling platform is used to model thermoplastics (e.g. PA, PP, PC, POM, PPA, …) and thermosets (Epoxy, Polyurethane, …) reinforced with short, long or continuous glass and/or carbon fibers as well as any type of micro or nano size fillers (glass beads, talc, …).
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Digimat-MF is used as a “numerical material lab machine” to predict the thermo mechanical properties (E, CTE, Stress-strain curve,…) of a reinforced plastic “material point” that is equivalent to a material test sample like an ASTM tension test dumbbell. It uses Eshelby’s Mean Field homogenization methods to model a plastic matrix assumed to behave as a linear, nonlinear and rate-dependent material models, reinforced with any number of linear or nonlinear inclusion phase like fibers, fillers or other polymer phase.
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Digimat-FE is also used as “numerical material lab machine” to predict the linear and nonlinear behavior of a reinforced plastics with a focus on the microstructure.
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Digimat to CAE stands for DIGIMAT interfaces to injection molding ( Moldflow, Moldex 3D, SigmaSoft, REM3D) and structural FEA software ( Abaqus, ANSYS, LS-DYNA, PAM-CRASH, SAMCEF) that allow accurate modeling of warpage, vibration, stiffness, creep, relaxation and strength of plastic parts subject to quasi-static or crash type of loading conditions by taking into account the fiber orientation, residual stresses and temperature induced by the injection molding process.
- Map is a shell and 3D mapping software used to map fiber orientation, residual stresses and temperature from injection molding mesh to the structural FEA mesh.
- DIGIMAT is a powerful tool that is giving us a new insight into our composite polymers. Its ability to model thermal expansion as a function of temperature, for instance, has been instrumental in understanding some subtle mechanism of warpage of injection molded parts. Vito Leo, Principal Scientist, Solvay Advanced Polymers
- We believe in the incorporation of fiber orientation from flow simulations into a structural simulation package like Abaqus. DIGIMAT is the absolute front runner in that. It is not only a trend but an absolute necessity to make simulations of intrinsically anisotropic material like glass fiber reinforced thermoplastics more realistic and to increase their predictive power, Dr. H. van Melick, Global CAE manager DSM Engineering Plastics
- Integrated crash pads allow weight and cost reductions. Setting the absorption behavior is only possible through a rigorous composite modeling. An integrated structural analysis with DIGIMAT clearly reveals those benefits. Sandro Wartzack, Brose GmbH
 
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