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Nemoceph is a free, open-source, and cross-platform software designed to simulate Newtonian physics in 3D. Its simulation engine uses OpenGL for both graphics and calculations. It integrates fluid dynamics (Smoothed Particle Hydrodynamics), which can handle liquids, gases, or solids; material models; kinematics; temperatures; compressible flow; collisions with widgets; rigid body dynamics; etc. The application also has an editor that can create arbitrary objects at any point in time, surface generators for water or earthy materials. Nemoceph is mainly developed by the Phareascience group at Université de Sherbrooke's Mechanical Engineering Department in Canada OCEANIA . It is publicly distributed under the terms of the GNU General Public License (GPL), which allows it to be freely distributed, modified or even sold. This software has also been partly funded by the Ministère de l'Économie, des Sciences et de l'Innovation du Québec (MESI) and the Fonds de recherche du Québec - Nature et technologies (FRQNT).Nemoceph is based on two main concepts: particles and volumes. Particles are basic objects whose behavior can be simulated. They roughly correspond to objects in real life, like asteroids or gas molecules. They only have a single physical property: mass, and can only interact with other particles, never with volumes. Particle masses cannot be changed once the simulation has begun. Volumes are objects used to model fields of force in real life, like gases or liquids. They define the state of matter and its content for all particles interacting with it. For example, a volume can define whether there is air or water inside it; how much water is in the whole container; if the cave is flooded; etc. A volume can be defined at almost any point in space and time (since simulations use both space and time coordinates). Volumes have a physical property: pressure. In addition, volumes also contain information about their shape, volume, or global properties. In Nemoceph, the interface is completely open. Users can modify the engine to fit their needs and propose new features, since it's a free software. The library used by the developers is called Nlib and its C++ source code is also available on GitHub . Anyone can use it to improve or adapt Nemoceph for their own simulation needs. Nemoceph is being used in many fields of application: Nemoceph's community website offers user guides for several operating systems (Windows, Linux, Ubuntu). The main tutorial used in all operating systems is available in English and French . It explains all the basic concepts to use Nemoceph and evolves until the user reaches a level of mastery to start creating his/her own simulations. The following tutorials:Nemoceph's official releases are available on its website .The Nemoceph engine is part of several Free Open-Source Software (FOSS) projects. These projects also use it as a dependency:Nemoceph's community website offers Free Open-Source Software (FOSS) packages for many operating systems (Windows, Ubuntu, Linux). They can be downloaded from the latest release page . cfa1e77820
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