Resources
My Curriculum Vitae updated at December 2023, my SAO/NASA ADS Complete list of pubblications, and my ORCiD 0000-0002-8106-2742
C2PAP Web Portal: a web portal for inspecting and post processing Magneticum simulations. Check c2pap_batch.py to send batch of jobs (and its user manual here)
print_affinity.c: helps affinity set ups in HPC systems by printing hostname and CPU index for each MPI and OpenMP thread
g3read: repository of various python libraries to read and post process Gadget2/3 and HDF5 outputs
hydro_mc: a webapp to obtain sparsity and concentration paramters of haloes as in Ragagnin et al. (2020) (see also the respective python library github.com/aragagnin/hydro_mc)
In the press
A unique data center for cosmological simulations (Science Daily, 2017)
Il futuro delle galassie in scatola (Media INAF, 2015)
First author list of publications
Simulation view of galaxy clusters with low X-ray surface brightness (2022)
Ragagnin A., Andreon S., Puddu E.
Galaxies in the central regions of simulated galaxy clusters (2022)
Ragagnin A., Meneghetti M., Bassini L., Ragone-Figueroa C., Granato G. L., Despali G., Giocoli C., Granata G., Moscardini L., Bergamini P., Rasia E., Valentini M., Borgani S., Calura F., Dolag K., Grillo C., Mercurio A., Murante G., Natarajan P., Rosati P., Taffoni G., Tornatore L., Tortorelli L.
Satellite galaxy abundance dependency on cosmology in Magneticum simulations (2021)
Ragagnin A., Fumagalli A., Castro T., Dolag K., Saro A., Costanzi M., Bocquet S.
Cosmology dependence of halo masses and concentrations in hydrodynamic simulations (2021)
Ragagnin A., Saro A., Singh P., Dolag K.
Gadget3 on GPUs with OpenACC (2020)
Ragagnin A., Dolag K., Wagner M., Gheller C., Roffler C., Goz D., Hubber D., Arth A.
Dependency of halo concentration on mass, redshift and fossilness in Magneticum hydrodynamic simulations (2019)
Ragagnin A., Dolag K., Moscardini L., Biviano A., D'Onofrio M.
From the mass-concentration relation of haloes to GPUs and into the web: a guide on fully utilizing super computers for the largest, cosmological hydrodynamic simulations. (PhD thesis, 2018)
Ragagnin A.
A web portal for hydrodynamical, cosmological simulations (2017)
Ragagnin A., Dolag K., Biffi V., Cadolle Bel M., Hammer N. J., Krukau A., Petkova M., Steinborn D.
Exploiting the Space Filling Curve Ordering of Particles in the Neighbour Search of Gadget3 (2016)
Ragagnin A., Tchipev N., Bader M., Dolag K., Hammer N. J.
Talks, posters and workshops
Nature of DM on small scales monthly seminar (online, hosted by Priya Natarajan) talk "Feedback and resolution do not improve the low lensing signal of simulated cluster cores"
Euclid Collaboration Cluster of Galaxies SWG talk on my Euclid first author paper
Self-interacting dark matter meeting (Pollica, 2023) talk Velocity dependent SIDM effects on galaxy cluster strong-lensing signals
Euclid Consortium meeting on galaxy clusters (Bologna, 2023) talk "A simulation view on covariances between multi wavelength observational properties"
Seminar at INAF Bologna (2023) "Strong-lensed galaxies in simulated and observed galaxy clusters"
CLUSTER3 (Bologna, 2022) talk "Galaxies in the central regions of simulated galaxy clusters"
RAS National Astronomy Meeting (NAM, University of Warwick, UK, 2022) invited talk "Galaxies in the central regions of simulated galaxy clusters"
Cosmology from Home (2022) talk "Galaxies in the central regions of simulated galaxy clusters"
CSC and NVIDIA virtual hackaton (2020) with code Gadget3 (link)
OpenACC Summit (virtual, 2020) invited talk "Bringing Zoom-In Initial Conditions of Cosmological Simulations on GPUs "
ParCo (Prague, 2019) presenting paper "Gadget3 on GPUs with OpenACC"
GPU Technology Conference (GTC, Munich, 2018) invited poster "Gadget3 (N-Body gravity + SPH) on GPUs"
EnviroInfo (Munich, 2018) invited poster "A web portal for large cosmological simulation data visualization and post processing"
EuroHack (Lugano, 2017) workshop on OpenACC at CSCS
Perspectives of GPU in science (Rome, 2016) poster "A multi node Barnes Hut solver on GPUs for Gadget3"
HydroSim (Trieste, 2016) workshop on hydrodynamic simulations
Astronomical Data Analysis Software and Systems (ADASS, Trieste, 2016) talk "A web interface to federalize the outcome of large, cosmological, hydrodynamic simulations"
EuroHack (Lugano, 2015) workshop on OpenACC at CSCS
International Conference on Parallel Computing (ParCo, Edinburgh, 2015) talk "Exploiting the Space Filling Curve Ordering of Particles in the Neighbour Search of Gadget3"
Computational Solar and Astrophysical Modeling (Jülich, 2015) workshop