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University of Stuttgart: Dynamic simulation of systems with large particle numbers


In the Collaborative Research Center (SFB) 716, different institutes of the Universität Stuttgart from the fields of mechanical engineering, physics, biochemistry, and computer science have joined forces in order to develop dynamic simulation methods of systems with large particle numbers for use in industrial research and future development.


The first emphasis is on developing a basis for a direct dynamic simulation over an adequate period of time concerning the systems with large particle numbers at interest. Thus, the whole process is optimized holistically from force field development to numerical simulation and data evaluation as well as the application of results. Therefore, it is crucial that engineering and natural science users cooperate closely with computer science.
With the help of simulations, spaciously cooperative effects are predictable solely on the basis of information about the forces between single particles.

Dynamic simulation of systems with large particle numbers
Dynamic simulations of systems with up to a few million numbers of particles allow researchers in the engineering sciences and associated departments to advance to areas where classical approaches, especially continuum methods, have failed so far. The fields of application are versatile and range from mechanics and thermodynamics to material sciences, and bio‐ and nanotechnology. Even with particle numbers in the thousands, these kinds of simulation belong to the field of high performance computing; when dealing with millions of particles, the limits of present feasibility are reached. With the help of hybrid approaches, many multi‐particle methods can be linked with continuum methods in order to treat even larger systems.


The methods and tools used for such simulations are closely related despite their differences in the fields of application. Notwithstanding, activities in the field
of dynamic simulation of systems with large particle numbers mostly take place separately according to the fields of application. The SFB 716 is making use of these exact energies, especially in methodical areas. Thus, research results from different fields of application are optimally combined.


Focus on three fields of application for international top results
By focusing onto the three distinct fields of application: fluid mechanics and thermodynamics, material sciences and mechanics, and biochemistry and biophysics, a critical mass is generated in each field, enabling the SFB 716 to perform within the international top group.


Each Project generates direct results which would not be attainable with other methods. For the SFB 716, Stuttgart is an ideal location due to the already established cooperation between engineering sciences, natural sciences, computer science, and its high performance computing center. The SFB 716 creates, thus, a globally unique interdisciplinary network across faculties.


Further Information