PolyUMod, MCalibration Software

Seminar

Advanced Finite Element Modeling of Solid Polymers (Part 2)

This class is an extension of the original Part 1 class, and covers in more depth the theory of different material models and includes hands-on exercises designed to teach how to use the different models to solve real problems.

Failure Predictions of Rubbers and Thermoplastics Using FEA

Predicting failure of different polymers can be difficult due to material nonlinearities and sensitivity to the load environment. In this class we will discuss different techniques that can be used to predict both brittle and ductile failure, including fatigue, of different types of polymers.

Failure Predictions of Rubbers and Thermoplastics Using FEA 2019

Predicting failure of different polymers can be difficult due to material nonlinearities and sensitivity to the load environment. In this class we will discuss different techniques that can be used to predict both brittle and ductile failure, including fatigue, of different types of polymers.

Finite Element Modeling of Solid Polymers (Part 1)

This two-day, web-based course covers a review of polymer mechanics theory, techniques and tools for experimentally characterizing polymers, and hands-on training on how to perform accurate finite element simulations of polymer components. This is the original training class that we have been gi

High Strain Rate Testing and Modeling of Solid Polymers
Foams, elastomers, and other polymers are often exposed to high strain rates and impact events. Due to the materials' strain-rate dependence, it is important to have accurate experimental data in order to select and calibrate a suitable material model. This class will demonstrate the use of Split Hopkinson bar tests and traditional uniaxial tests, and provide hands-on exercises for how to use the experimental data to calibrate suitable material models.
High Strain Rate Testing and Modeling of Solid Polymers 2019
Foams, elastomers, and other polymers are often exposed to high strain rates and impact events. Due to the materials' strain-rate dependence, it is important to have accurate experimental data in order to select and calibrate a suitable material model. This class will demonstrate the use of Split Hopkinson bar tests and traditional uniaxial tests, and provide hands-on exercises for how to use the experimental data to calibrate suitable material models.

Webinar

MCalibration®: Inverse Calibration

This half-hour, web-based class offers an overview of using inverse calibrations in MCalibration. This course will review how to set up MCalibration to run an inverse calibration, extract the data, and run the calibration.

Case study

Elastomer Foam Vibration Damper
Elastomer foams make excellent vibration dampers, but accurately designing these dampers requires an advanced material model. Veryst calibrated a PolyUMod® material model to design the vibration damper.
FEA of Absorbable PLLA Bone Screw
The nonlinear deformation and material relaxation associated with modeling the polymer screws for anterior cruciate ligament (ACL) reconstruction makes predicting key quantities such as stresses and holding forces challenging. Veryst, with its unique ability to test and model PLLA materials, was able to develop material and finite element models that predict the important short-term pull-out forces as well as the evolution of stresses over time.
Golf Ball Impact Simulation
Accurate simulation of golf ball behavior during impact with a club is challenging due to the nonlinear impact event, the complexity of the polymeric ball material at the high strain rates experienced during impact, and the scarcity of material properties at these high strain rates. Veryst Engineering developed an accurate model that accounts for these complexities.
High Rate Temperature Response of Polymers
Polymers exhibit significant temperature-dependent mechanical response. Veryst tested a PEEK material at multiple temperatures and calibrated the PolyUMod® Three Network (TN) material model for finite element simulation.
High Strain Rate Testing of Polymers
This case study demonstrates the testing and calibration of a Polycarbonate material at a high strain rate of 1000 sec-1. The testing was done with the Split Hopkinson Pressure Bar (SHPB) system and the calibration is performed with Veryst Engineering’s MCalibration® software.
PEEK Temperature Dependence
PEEK materials are increasingly used in a variety of industries with elevated temperature applications. This example shows how Veryst Engineering developed a temperature-dependent, nonlinear model of PEEK behavior for use in commercial FEA codes.
Peeling of a Soft Polymer Film
The peel test is widely used to measure the adhesion of thin, compliant films to rigid substrates. An accurate model of the peeling mechanics is required to extract the interface adhesion energy. Veryst used the PolyUMod® material model library along with a cohesive zone model of interface adhesion to simulate the peeling of a soft viscoplastic film from a rigid substrate.
Polymer Forming Simulation
Obtaining accurate results from finite element analyses of polymers is not easy. Polymers are often highly temperature- and rate-dependent, exhibiting significant stress-relaxation, creep, and recovery. In this forming case study, Veryst examines the steps required to produce an accurate constitutive model of an example polymer, polyether ether ketone (PEEK), and shows the consequences of oversimplification.

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