Multi-physics Modeling Environment for Continuum and Discrete Dynamics
نویسنده
چکیده
A model-development environment for simulation of discrete and continuum dynamics in complex 3D geometries is described. This environment is based on 3D libraries for manipulation of geometrical primitives, object-oriented multi-domain modeling paradigm, continuum solvers on unstructured meshes, discrete particle solvers, and a proprietary tool-assisted grid generation technique. The numerical approach is based on combined control-volume and finite-element methods of continuum mechanics and Lagrangian particle dynamics method. Several prototype example cases of complex continuum mechanical systems are considered, such as (1) biological systems: flow in bifurcating channels, cellular mechanics, flexible tissues-flow interactions, (2) engineering systems: linear structures under stress, structure-flow interactions with elastic and thermal stresses, and (3) a simplified model of molecular dynamics represented by a system of particles and bonds. A parallel implementation using the domain coupling scheme is considered.
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