Published on: October 26, 2018
Packaging performance improvements thanks to ROCKY and OptiSLang recently demonstrated using bite-size chocolate candy
Bosch Packaging Technology’s Stefan Kirsch demonstrated this innovative simulation workflow using Rocky DEM and Dynardo OptiSLang to calibrate the properties of bite-size chocolate candy in a virtual test at the Dynardo WOST Conference in Weimar on June 14, 2018.
Kirsch developed an automated workflow for the calibration of Discrete Element Method material parameters, such as friction, coefficient of restitution, and rolling resistance. Using ROCKY and OptiSLang together led him to state, “Validation tests proved the predicted quality of the calibrated model. For the sample product and scenario, the model used has high accuracy”.
Lucas Kostetzer, simulation software engineer at CADFEM, Rocky reseller in Germany, supported Kirsch in his project. He stated, “The use of the Python programming interface for automated post-processing, integrated in ROCKY, allowed the integration with OptiSLang in a robust fashion.”
The goals of the vertical packaging machine project were to:
- Improve the predictability of the package filling process, and
- Find a generalized approach for parameter identification,
Which led to the following results:
- The statistical (AMOP) approach is an efficient method to localize low-error hotspots
- Noise due to initial conditions does not affect the accuracy of the calibration.
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Engineering Simulation opens a huge range of possibilities. Since CAE-simulation requires more than just software, CADFEM supplies all the tools which are critical for success in simulation from one source. Leading software and IT-solutions, support, consultancy as well as Transfer of know-how.
The Bosch Group is a leading global supplier of technology and services. It employs roughly 402,000 associates worldwide. The company generated sales of 78.1 billion euros in 2017. Its operations are divided into four business sectors: Mobility Solutions, Industrial Technology, Consumer Goods, and Energy and Building Technology. As a leading IoT company, Bosch offers innovative solutions for smart homes, smart cities, connected mobility, and connected manufacturing. The Bosch Group’s strategic objective is to create technology that is “Invented for life.” Bosch’s global manufacturing, engineering, and sales network covers nearly every country in the world. The basis for the company’s future growth is its innovative strength. At 125 locations across the globe, Bosch employs some 64,500 associates in research and development.
About Rocky DEM
Rocky is a powerful, 3D discrete element modeling (DEM) program that quickly and accurately simulates particle behavior within a conveyor chute, mill, or other materials handling system. Rocky analyzes media flow patterns and energy absorption rates, particle breakage, and energy spectra analysis. The software optimizes life expectancy of conveyor belts and components, minimizes material spillage in a design, and reduces the need for dust control and suppression, among numerous other applications. This software is a revolutionary way to handle a problem through computer simulation.
ESSS has gained an international reputation by offering a full range of numerical simulation solutions to the product development market, accompanied by support and engineering services that allow customers to take full advantage of the ANSYS portfolio, while showing the value of simulation at all levels. ESSS has expanded its operations beyond Brazil to offices in Argentina, Chile, Colombia, Peru and Spain. The ESSS customer base comprises more than 500 companies from large sectors, including oil and gas, aerospace, automotive and energy.
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