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The technology is non\u2010invasive, but the computational time could be high when the full geometry of the blood vessels is taken into account. Existing approaches use either one\u2010dimensional model of the artery or simplified three\u2010dimensional tubular geometry in order to reduce the computational time, but the accuracy is sometime compromised, for example, when simulating blood flows in arteries with plaque. In this work, we study a highly parallel method for the transient incompressible Navier\u2013Stokes equations for the simulation of the blood flows in the full three\u2010dimensional patient\u2010specific hepatic artery, portal vein and hepatic vein. As applications, we also simulate the flow in a patient with hepatectomy and calculate the S (PPG). One of the advantages of simulating blood flows in all hepatic vessels is that it provides a direct estimate of the PPG, which is a gold standard value to assess the portal hypertension. Moreover, the robustness and scalability of the algorithm are also investigated. A 83\n                    <jats:italic>%<\/jats:italic>\n                    parallel efficiency is achieved for solving a problem with 7 million elements on a supercomputer with more than 1000 processor cores.\n                  <\/jats:p>","DOI":"10.1002\/cnm.3451","type":"journal-article","created":{"date-parts":[[2021,2,20]],"date-time":"2021-02-20T02:40:47Z","timestamp":1613788847000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["A highly parallel simulation of patient\u2010specific hepatic flows"],"prefix":"10.1002","volume":"37","author":[{"given":"Zeng","family":"Lin","sequence":"first","affiliation":[{"name":"Shenzhen Institutes of Advanced Technology Chinese Academy of Sciences  Shenzhen China"},{"name":"Shenzhen Key Laboratory for Exascale Engineering and Scientific Computing  Shenzhen China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rongliang","family":"Chen","sequence":"additional","affiliation":[{"name":"Shenzhen Institutes of Advanced Technology Chinese Academy of Sciences  Shenzhen China"},{"name":"Shenzhen Key Laboratory for Exascale Engineering and Scientific Computing  Shenzhen China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Beibei","family":"Gao","sequence":"additional","affiliation":[{"name":"Department of Cardiology Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine  Hangzhou China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shanlin","family":"Qin","sequence":"additional","affiliation":[{"name":"Shenzhen Institutes of Advanced Technology Chinese Academy of Sciences  Shenzhen China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bokai","family":"Wu","sequence":"additional","affiliation":[{"name":"Shenzhen Institutes of Advanced Technology Chinese Academy of Sciences  Shenzhen China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jia","family":"Liu","sequence":"additional","affiliation":[{"name":"Shenzhen Institutes of Advanced Technology Chinese Academy of Sciences  Shenzhen China"},{"name":"Shenzhen Key Laboratory for Exascale Engineering and Scientific Computing  Shenzhen China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0296-8640","authenticated-orcid":false,"given":"Xiao\u2010Chuan","family":"Cai","sequence":"additional","affiliation":[{"name":"Department of Mathematics University of Macau  Macau China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2021,3,3]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"crossref","unstructured":"LauttWW.Hepatic circulation: physiology and pathophysiology. 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