43 citations · 354 across the 32 of their papers we have counts for
6 papers · 1 filter
A Fracture Multiscale Model for Peridynamic enrichment within the Partition of Unity Method
Matthias Birner, Patrick Diehl, Robert Lipton +1
Partition of unity methods (PUM) are of domain decomposition type and provide the opportunity for multiscale and multiphysics numerical modeling. Different physical models can exis…
Peridynamics for Quasistatic Fracture Modeling
Debdeep Bhattacharya, Patrick Diehl, Robert P. Lipton
Fracture involves interaction across large and small length scales. With the application of enough stress or strain to a brittle material, atomistic scale bonds will break, leading…
Octo-Tiger's New Hydro Module and Performance Using HPX+CUDA on ORNL's Summit
Patrick Diehl, Gregor Daiß, Dominic Marcello +5
Octo-Tiger is a code for modeling three-dimensional self-gravitating astrophysical fluids. It was particularly designed for the study of dynamical mass transfer between interacting…
Load balancing for distributed nonlocal models within asynchronous many-task systems
Pranav Gadikar, Patrick Diehl, Prashant K. Jha
In this work, we consider the challenges of developing a distributed solver for models based on nonlocal interactions. In nonlocal models, in contrast to the local model, such as t…
Performance Measurements within Asynchronous Task-based Runtime Systems: A Double White Dwarf Merger as an Application
Patrick Diehl, Dominic Marcello, Parsa Amini +9
Analyzing performance within asynchronous many-task-based runtime systems is challenging because millions of tasks are launched concurrently. Especially for long-term runs the amou…
Octo-Tiger: A New, 3D Hydrodynamic Code for Stellar Mergers that uses HPX Parallelisation
Dominic C. Marcello, Sagiv Shiber, Orsola De Marco +5
OCTO-TIGER is an astrophysics code to simulate the evolution of self-gravitating and rotat-ing systems of arbitrary geometry based on the fast multipole method, using adaptive mesh…