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We are carrying out rapid, patient specific simulations of bloodflow in intracranial cerebral aneurysms to assess the short and long range effects of their treatment via the introduction of a stent or flow diverter. The simulations are to be executed over a full range of physiological states to inform clinicians about the long term consequences of their choice of treatment.
Scientific articles and documentation
HemeLB user’s guide
Programming language: C++
Dependencies: cmake, parmetis, tinyXML, boost, MPI, ctemplate, cppunit.
Memory requirements: 1-2G per rank depending on sparsity and problem size.
Disk requirements: HDF5 is required for some features.
Type of software license
Performance and HPC profile
Systems on which the software is deployed
LRZ SuperMUC, Prometheus (PLGrid), Eagle (PLGrid), Inula (PLGrid), ARCHER (EPCC).
Type of parallelism: MPI
Scalability: Typical runs 7200 cores / 300 nodes. Large runs 60000 cores / 2500 nodes.
Mode of operation
One single extreme parallel run for each problem required.
I/O, as relevant to CompBioMed Application Pipeline
Format: STL (for surface geometry), XML (config file), GMY (HemeLB own format)
Coming from: The XML and GMY are generated from the STL using the HemeLB setup tool.
Disk use: GMY is the only large file, and it is typically 100M to 2G in size.
Format: Own format, XTR.
Used by: ParaView.
Disk use: Depends on geometry size/output frequency. Can be between 500Mb and 20G.