{"doi":"10.21105/joss.05621","title":"Simulated Diffusion in Realistic Imaging Features ofTissue (Sim-DRIFT)","abstract":"This library, simDRIFT, provides for rapid and flexible Monte-Carlo simulations of Pulsed Gradient Spin Echo (PGSE) Diffusion-Weighted Magnetic Resonance Imaging (DWI) experiments, which we expect to be useful for DWI signal processing model development and validation purposes.The primary focus of this library is forward simulations of molecular self-diffusion processes within an ensemble of nuclear magnetic resonance (NMR) active nuclei (\"spins\") residing in complex, biophysical tissue systems.To achieve a large variety of tissue configurations, simDRIFT provides support for fiber bundles (with user-defined radii, intrinsic diffusivities, orientation angles, and densities) and cells (with user-defined radii and volume fractions).simDrift is written in Python (Python Software Foundation (VanRossum & Drake, 2010)) and supported by a Numba (Lam et al., 2015) backend.Thus, simDRIFT benefits from Numba's CUDA API, allowing the simulation of individual spin trajectories to be performed in parallel on single Graphics Processing Unit (GPU) threads.The resulting performance gains support simDRIFT's aim to provide a customizable tool for the rapid prototyping of diffusion models, ground-truth model validation, and in silico phantom production.","journal":"The Journal of Open Source Software","year":2023,"id":386724,"datarank":0.0,"base_score":0.0,"endowment":0.0,"self_citation_contribution":0.0,"citation_network_contribution":0.0,"self_endowment_contribution":0.0,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":1,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":0.7784,"is_data_producer":false,"deposit_databanks":null,"is_oa":true,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"2023-01-01","fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":1155207,"name":"Kainen Utt","orcid":"0000-0002-8555-9000","position":1,"is_corresponding":false},{"id":934746,"name":"Jacob Blum","orcid":"0000-0002-4156-4094","position":0,"is_corresponding":true}],"reference_count":12,"raw_metadata":null,"created_at":"2026-07-19T01:18:00.717763Z","pmid":null,"pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}