The 2022R1 release extends Rocky's applications of Ansys CFD coupling that involve particle size changes due to mass and heat transfer (conduction, convection, and radiation) with or without chemical reactions. The solution methodology efficiently accounts for the presence of different sized and shaped particles as well as fluid-particle interaction. The SPH-DEM coupling offers an effective simulation approach for slurry flows, for example. The solver is developed native to multi-GPUs and multi-CPUs. Rocky is launching the beta version of its native SPH-DEM solver kernel with a focus on particle-laden free surface flows. In cases where the material can be characterized, the model predicts the material response to an applied dynamic force. This new model simulates the behavior of material represented as a collection of bonded particles of any shape. Polishing/Finishing Process: Simulation of bolt finishing equipment using the Particle Assembly model runs 36x faster with 22x less memory.Īnother relevant capability in the 2022R1 release is the introduction of a bond model that extends Rocky's advantage in modeling particle breakage. The Particle Assembly model improves computational performance for complex concave shape particles and enables simulation of limitless discrete particle shapes. In response to a growing demand to model complex particle shapes in applications beyond traditional DEM, especially in manufacturing, the current Rocky release enables assembling of different particles to form new shapes. For example, the simulation of disk harrow equipment (shown below) was accelerated by 9x using the new dynamic simulation domain capability. This simulation optimization methodology enables dynamic calculation zones of interest to include or minimize contact detection inside or outside of the zones, based on where the particles are active. The Multi-zone Dynamic Domain enables faster simulation, making it possible to simulate applications with several millions of particles by both reducing memory requirements and speeding computational time. The Wizard is fully customizable and configurable to individual applications or groups of materials and can be downloaded directly from Rocky's customer portal. The Wizard compares experimental data with a built-in material database and uses AI/ML techniques to provide the best required material-related simulation parameters. The 2022R1 Material Wizard dovetails into Rocky's calibration suite and is designed to jump-start Rocky simulations by turning real-world material information into ready-to-use setup parameters. Particle-laden free surface flows can be simulated using a new multi-CPU and a multi-GPU SPH-DEM coupled solver. This release enables faster, easier, and accurate particle dynamics simulations with larger numbers of particles while offering tighter integration with other physics.Įngineers will have access to a science-based, easy-to-use material calibration platform, plus the ability to accelerate simulation as much as 10x by using a Multi-zone Dynamic Domain. ESSS Rocky DEM 2022 R1.2 (22.1.2) | 1.9 GbĮSSS announces the release of its top-tier particle dynamics modeling software Rocky 2022R1.
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