Grunnleggende konsepter
MuMFiM is an open source framework designed for multiscale modeling of fibrous materials, showcasing impressive speedups and novel methodologies.
Sammendrag
The article introduces MuMFiM, an open source application for multiscale modeling of fibrous materials on heterogeneous supercomputers. It discusses the hierarchical multiscale method used, the dynamic relaxation method employed at the microscale, and the parallelization strategies implemented. The paper also highlights the contributions of MuMFiM, its structure, and performance results.
Abstract:
- Introduces MuMFiM for multiscale modeling on supercomputers.
- Discusses hierarchical multiscale method with concurrent homogenization.
- Highlights dynamic relaxation method for nonlinear fiber networks.
- Presents contributions and performance results.
Introduction:
- Multiscale methods split into partitioned domain and hierarchical methods.
- Hierarchical approach enables tracking micromechanical properties.
- FE2 method extended to large strains but limited by computational cost.
Data Extraction:
- "Solving microscale problems concurrently on the GPU can lead to a 1000x speedup over the solution of a single RVE on the GPU."
Statistikk
Solving microscale problems concurrently on the GPU can lead to a 1000x speedup over the solution of a single RVE on the GPU.
Sitater
"Obtaining size-effect converged stiffness measurements in Voronoi fiber networks requires model sizes that are ≫40 times the mean fiber length."
"Solving networks of this size is extremely expensive and requires specialized GPU solvers that are employed here."