You Work With the People Who Wrote the Software


Behind DCS is a team with a track record in open-source simulation software, international conference series, and more than 100 research and consulting projects across academia and industry.

Dr. Christoph Goniva

Lead author of CFDEMcoupling, widely used open-source CFD-DEM software. Co-founder, DCS Computing.

Co-host of the LIGGGHTS, CFDEMcoupling, and Aspherix International Conference Series, with supervision of PhD students within Marie Curie Networks.

Software and consultancy expert with deep knowledge in C++ and MPI, chemical engineering, and fluid mechanics. 

H-index 20, 78 publications. More than 100 projects creating value for SMEs and corporates.

Dr. Christoph Kloss

Lead author of LIGGGHTS, the most widely used open DEM software. Co-founder, DCS Computing.

Keynote lecturer at conferences in molecular dynamics, discrete element methods, chemical engineering, and materials science.

Member of the scientific committee for the Particles and DEM International Conference Series. 

H-index 22, 79 publications. Project lead across more than 100 engagements, from SME consulting to five-year research programs with budgets up to €10M.

Dr. Riccardo Togni

Senior consultant and project lead. Expert in low-order models for chemical & pharmaceutical processes.

Aerospace engineering and CFD background with software development and consulting experience in the geotechnical sector. Proven senior constultant leading research projects for the pharmaceutical industry, specializing in low-order models for chemical and pharmaceutical processes. Latest publication: a population balance model for predicting the attrition of elongated particles during agitated drying, co-authored with BMS, AstraZeneca, Genentech, GSK, Merck, and Pfizer.

Why Our Consultancy Services Stand Out



Our consultancy services are a common starting point for customers with particle-related challenges. 
Unsure if Aspherix® is the solution? We’ll provide expert answers and introduce our software, always pushing simulation boundaries.

Selected Projects

Simulation of a Circulating Fluidized Bed

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Circulating fluidized beds are widely used in the chemical, process and metallurgical industries. The simulation of a fluidized bed can help to improve heat and mass transfer and reaction rates, optimize residence time and product uniformity.

Simulation of a Blast Furnace


CFD-DEM simulations can help to improve blast furnace operational parameters, such as the impact of charging recipe on the uniformity of solid fraction, the impact of hot blast mass-flow rate and velocity on raceway size and shape.

Simulation of a Ball Mill


Ball mills are widely used in the minerals and mining industry. CFD-DEM simulations can help to improve their performance and reduce down-time and maintenance.

Optimization of a Mower Deck

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The goal of this case study with Aspherix and CFDEMcoupling was the optimization of a mower deck with respect to the cut quality. Since the design contains blades with intersection trajectories, it was not possible to use sliding meshes. A new IB approach designed for mower deck applications was used.

Simulation of a Rotating Drum

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This application case combines numerous functionalities. Particles are wetted by a spray and heated by convection. The heating of the particles causes them to dry while powder leads to a coating of the particles. At collision, the coating of the particles undergoes attrition and the attrition is dispersed in the gas as dust.

Optimization of a Transfer Chute

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The simulation above shows the dust emission in a transfer chute system, in both a simple and an improved geometry. While in the simple geometry, dust can escape the transfer chute and can pose a possible health and explosion hazard, the dust is kept within the transfer chute in the improved geometry.

​Need Help With Your Case?

​Tell us about your process. We’ll answer your questions and show you how Aspherix® and CFDEM®coupling handle it.