Large-scale Simulations in Stability, Transition, Turbulence and Control

SNIC 2020/4-3


SNIC Large Storage

Principal Investigator:

Philipp Schlatter


Kungliga Tekniska högskolan

Start Date:


End Date:


Primary Classification:

20306: Fluid Mechanics and Acoustics

Secondary Classification:

10508: Meteorology and Atmospheric Sciences

Tertiary Classification:

10501: Climate Research



We present a large-level request for storage on high-performance computing (HPC) resources within the Swedish National Infrastructure for Computing (SNIC). The proposed projects by the research groups of the KTH Engineering Mechanics department are summarized. The group of applicants consists of a total of 6 senior researchers, 5 application experts, 6 Postdocs and 18 PhD students, i.e. a total of 35 researchers. We actively promote collaboration within our large user group to facilitate HPC support, sharing of simulation methods, codes, data, post-processing, data management methods, and user experience. We have thus found it beneficial to apply for a large-level allocation instead of multiple medium-level requests. In this proposal we describe our scientific projects which rely on HPC resources, grouped into four main areas: 1) aeronautics; 2) wind turbines and geophysical flows; 3) dynamical systems, uncertainty quantification and machine learning; 4) fundamentals of transition and turbulence. Due to the large number of collaborators, we do not list all individual projects, but rather give an overview of the general research directions. Our research makes use of the numerical codes described in the complementary compute application, and the specific data management plan in this application. Note that we get specific application support through the Swedish e-Science Research Centre (SeRC) and EuroHPC competence centre in the form of five application experts and we actively develop our codes considering efficient I/O operations as well. In complementary compute application we request access to multiple machines (Tetralith (NSC), Kebnekaise (HPC2N), Beskow (PDC)), so it is important for us to have a good mix of storage space between different computer centres. The storage solutions are thus the capabilities at PDC, HPC2N and NSC. In addition we intend to provide databases for external users, so we apply for a smaller share on the iRODS system.