Veryst Engineering PolyUMod has developed reliable and comprehensive tools for solving difficult polymer design problems. The PolyUMod® Library is a library of advanced user-material models that plugs into an FEA solver and enables more accurate predictions than what is possible within the available material models. The PolyUMod Library also includes a set of pre-calibrated material models for specific materials. The MCalibration® software is a tool that can calibrate all available material models quickly and easily.
ADVANCED MATERIAL MODELS FOR FINITE ELEMENT MODELING OF ENGINEERING POLYMERS AND BIOMATERIALS
Veryst Engineering now offers the PolyUMod® Library of user-material models for finite element modeling of engineering polymers and biomaterials. Commercial finite element codes lack the material models needed to simulate accurately many types of polymers. Veryst Engineering has developed a library of general-purpose material models that cover virtually all polymer systems, including thermoplastics, thermosets, elastomers, foams, filled plastics, and biomaterials. Specific models also have been developed for particular formulations such as fluoropolymers, PLA, and UHMWPE.
The PolyUMod library provides the FE user advanced material models as if they were built into the FE program. Engineers can perform very accurate FE simulations without becoming an expert in material model software development. A large part of the difficult development work has already been done! The Veryst PolyUMod user-material model library is available for Abaqus/Standard, Abaqus/Explicit, ANSYS, LS-DYNA, MSC.Marc and COMSOL Multiphysics. Please see our Frequently Asked Questions for details.
Modeling the mechanical behavior of polymers includes elastomers, thermoplastics, thermosets, foam and biological materials. Polymer behavior is typically nonlinear, rate-dependent and temperature-dependent. We develop specific models for polymers and use them in accurate finite element models including contact, large deformations, fracture and fatigue.
Accurate simulation of many products now requires a multiphysics approach. Veryst Engineering specializes in multiphysics problems involving solids, fluids, heat transfer, mass transfer, acoustics and electromagnetics
Finite Element Analysis
Veryst Engineering advances knowledge in finite element methods including theory, algorithm development, commercial implementation, model validation and verification. Some of our staff previously worked in finite element firms and have extensive publications in this field.
Computational Fluid Dynamics
Our CFD experience spans a wide range of fluid dynamics problems including laminar and turbulent flow, Newtonian, shear thinning and shear thickening fluids, multiphase flows including phase change, film lubrication and microfluidics.
Explicit Transient Simulation: Impact events are transient and typically require explicit simulations. Veryst has extensive knowledge in impact modeling and specializes in the optimization of explicit finite element models for impact simulations with advanced FEA codes including Abaqus and LS-DYNA.
High Strain-Rate Material Characterization: Materials during impact experience very high strain rates (> 1000 sec-1). Accurate material characterization under such high rates is pivotal for accurate simulations. Veryst offers a comprehensive analysis suite that includes material testing with state-of-the-art techniques including Split Hopkinson Pressure Bar (SHPB), material model calibration, and validation studies.
Modeling of Failure Mechanisms: Veryst provides advanced options for failure prediction with material failure models from its PolyUMod Library–models that are otherwise not available through commercial FEA codes. Veryst also has extensive experience in modeling the failure of connections and mechanisms, such as bolts, joints and snap fittings.
Data Processing and Analysis: Explicit simulation produces datasets that are both large and noisy. Veryst specializes in techniques such as data truncating and filtering that extract desired information without distortion or aliasing, as well as advanced programming and scripting that make data processing an automatic part of the simulation.