{"id":3416,"date":"2019-06-27T10:55:13","date_gmt":"2019-06-27T03:55:13","guid":{"rendered":"https:\/\/vinatom.gov.vn\/?p=3416"},"modified":"2019-06-27T10:55:13","modified_gmt":"2019-06-27T03:55:13","slug":"seminar-chuyen-de-mot-so-ung-dung-cua-cac-phan-mem-geant4-va-ma-nguon-mo-openfoam-cho-nghien-cuu-mo-phong-cac-bai-toan-vat-ly","status":"publish","type":"post","link":"https:\/\/vinatom.gov.vn\/seminar-chuyen-de-mot-so-ung-dung-cua-cac-phan-mem-geant4-va-ma-nguon-mo-openfoam-cho-nghien-cuu-mo-phong-cac-bai-toan-vat-ly\/","title":{"rendered":"Seminar chuy\u00ean \u0111\u1ec1: \u201cM\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng c\u1ee7a c\u00e1c ph\u1ea7n m\u1ec1m GEANT4 v\u00e0 m\u00e3 ngu\u1ed3n m\u1edf OPENFOAM cho nghi\u00ean c\u1ee9u m\u00f4 ph\u1ecfng c\u00e1c b\u00e0i to\u00e1n v\u1eadt l\u00fd\u201d"},"content":{"rendered":"<p style=\"text-align: justify;\">Ng\u00e0y 06\/6\/2019, Trung t\u00e2m H\u1ea1t nh\u00e2n Tp. H\u1ed3 Ch\u00ed Minh \u0111\u00e3 t\u1ed5 ch\u1ee9c Seminar v\u1ec1 hai chuy\u00ean \u0111\u1ec1 \u201cM\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng c\u1ee7a ph\u1ea7n m\u1ec1m GEANT4\u201d v\u00e0 \u201cPh\u1ea7n m\u1ec1m m\u00e3 ngu\u1ed3n m\u1edf t\u1ef1 do OpenFOAM \u2013 Ph\u00e1t tri\u1ec3n m\u00f4 ph\u1ecfng c\u00e1c b\u00e0i to\u00e1n v\u1eadt l\u00fd\u201d do Nguy\u1ec5n Trung Hi\u1ebfu v\u00e0 Tr\u01b0\u01a1ng Ho\u00e0ng Tu\u1ea5n, c\u00e1c c\u00e1n b\u1ed9 nghi\u00ean c\u1ee9u tr\u1ebb c\u1ee7a Ph\u00f2ng V\u1eadt l\u00fd v\u00e0 Ph\u00e2n t\u00edch h\u1ea1t nh\u00e2n, Trung t\u00e2m H\u1ea1t nh\u00e2n Tp. H\u1ed3 Ch\u00ed Minh tr\u00ecnh b\u00e0y.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><strong>M\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng c\u1ee7a ph\u1ea7n m\u1ec1m GEANT4<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">Ng\u01b0\u1eddi tr\u00ecnh b\u00e0y \u0111\u00e3 gi\u1edbi thi\u1ec7u s\u01a1 l\u01b0\u1ee3c nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a ch\u01b0\u01a1ng tr\u00ecnh m\u00f4 ph\u1ecfng GEANT4, n\u00eau b\u1eadt nh\u1eefng \u01b0u \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a ph\u1ea7n m\u1ec1m trong vi\u1ec7c m\u00f4 ph\u1ecfng c\u00e1c qu\u00e1 tr\u00ecnh t\u01b0\u01a1ng t\u00e1c v\u1eadt l\u00fd c\u1ee7a c\u00e1c h\u1ea1t c\u01a1 b\u1ea3n v\u1edbi v\u1eadt ch\u1ea5t. \u0110\u1ed3ng th\u1eddi, ng\u01b0\u1eddi tr\u00ecnh b\u00e0y c\u0169ng \u0111i\u1ec3m qua c\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a ch\u01b0\u01a1ng tr\u00ecnh GEANT4, c\u00e1c b\u01b0\u1edbc \u0111\u1ec3 x\u00e2y d\u1ef1ng v\u00e0 ch\u1ea1y ch\u01b0\u01a1ng tr\u00ecnh.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">M\u1ed9t s\u1ed1 k\u1ebft qu\u1ea3 s\u1eed d\u1ee5ng GEANT4 \u0111\u1ec3 m\u00f4 ph\u1ecfng vi\u1ec7c \u0111o th\u1eddi gian s\u1ed1ng c\u1ee7a positron trong nghi\u00ean c\u1ee9u c\u1ea5u tr\u00fac v\u1eadt li\u1ec7u, tr\u00edch xu\u1ea5t c\u00e1c th\u00f4ng tin nh\u01b0 ph\u1ed5 ph\u00e2n b\u1ed1 n\u0103ng l\u01b0\u1ee3ng c\u1ee7a positron sau khi ph\u00e1t ra t\u1eeb ngu\u1ed3n, \u0111\u1ed9 s\u00e2u th\u00e2m nh\u1eadp trung b\u00ecnh c\u1ee7a positron v\u00e0 th\u1eddi gian s\u1ed1ng c\u1ee7a positron trong m\u1eabu nghi\u00ean c\u1ee9u, \u0111\u00e3 \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">B\u00ean c\u1ea1nh \u0111\u00f3, ng\u01b0\u1eddi tr\u00ecnh b\u00e0y c\u0169ng \u0111\u00e3 gi\u1edbi thi\u1ec7u kh\u1ea3 n\u0103ng \u1ee9ng d\u1ee5ng c\u1ee7a GEANT4 trong y h\u1ecdc h\u1ea1t nh\u00e2n, \u0111\u1eb7c bi\u1ec7t trong vi\u1ec7c x\u00e2y d\u1ef1ng m\u00f4 h\u00ecnh m\u00f4 ph\u1ecfng c\u00e1c m\u00e1y PET (Positron Emission Tomography &#8211; Ch\u1ee5p c\u1eaft l\u1edbp b\u1eb1ng \u0111\u1ed3ng v\u1ecb ph\u00e1t Positron) v\u00e0 thi\u1ebft b\u1ecb SPECT (Single Photon Emission Computerized Tomography &#8211; Ch\u1ee5p c\u1eaft l\u1edbp b\u1eb1ng b\u1ee9c x\u1ea1 \u0111\u01a1n photon). Ngo\u00e0i ra, \u1ee9ng d\u1ee5ng c\u1ee7a GEANT4 trong t\u01b0\u01a1ng t\u00e1c v\u1edbi c\u00e1c t\u1ebf b\u00e0o s\u1ed1ng c\u0169ng nh\u01b0 trong nghi\u00ean c\u1ee9u c\u00e1c thi\u1ebft b\u1ecb b\u1ea3o h\u1ed9 cho c\u00e1c nh\u00e0 du h\u00e0nh v\u0169 tr\u1ee5 c\u0169ng \u0111\u01b0\u1ee3c gi\u1edbi thi\u1ec7u.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><strong>Ph\u1ea7n m\u1ec1m <\/strong><strong>m<\/strong><strong>\u00e3 ngu\u1ed3n m\u1edf v\u00e0 <\/strong><strong>t<\/strong><strong>\u1ef1 do<\/strong> <strong>OpenFOAM<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">Ng\u01b0\u1eddi tr\u00ecnh b\u00e0y \u0111\u00e3 gi\u1edbi thi\u1ec7u th\u00f4ng tin to\u00e0n c\u1ea3nh v\u1ec1 vi\u1ec7c ph\u00e2n lo\u1ea1i c\u00e1c gi\u1ea5y ph\u00e9p m\u00e3 ngu\u1ed3n m\u1edf v\u00e0 t\u1ef1 do hi\u1ec7n h\u00e0nh \u0111\u1ed1i c\u00e1c s\u1ea3n ph\u1ea9m ph\u1ea7n m\u1ec1m m\u1edf tr\u00ean th\u1ecb tr\u01b0\u1eddng. Nh\u1eefng \u01b0u v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a t\u1eebng lo\u1ea1i s\u1ea3n ph\u1ea9m trong vi\u1ec7c s\u1eed d\u1ee5ng, v\u1eadn h\u00e0nh, thay \u0111\u1ed5i v\u00e0 ph\u00e2n ph\u1ed1i c\u00e1c ph\u1ea7n m\u1ec1m \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p v\u1edbi gi\u1ea5y ph\u00e9p ch\u1ee7 quy\u1ec1n t\u01b0\u01a1ng \u1ee9ng. Trong b\u1ed1i c\u1ea3nh ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m h\u1ed7 tr\u1ee3 nghi\u00ean c\u1ee9u, \u0111\u1eb7c bi\u1ec7t l\u00e0 \u1ee9ng d\u1ee5ng trong c\u00f4ng ngh\u1ec7 m\u00f4 ph\u1ecfng cho c\u00e1c b\u00e0i to\u00e1n v\u1eadt l\u00fd h\u1ea1t nh\u00e2n v\u00e0 l\u00f2 ph\u1ea3n \u1ee9ng, c\u00f4ng ngh\u1ec7 m\u00f4 ph\u1ecfng m\u00e3 ngu\u1ed3n m\u1edf v\u00e0 t\u1ef1 do tr\u00ean th\u1ecb tr\u01b0\u1eddng kh\u00f4ng b\u1ecb t\u00e1c \u0111\u1ed9ng \u0111\u00e1ng k\u1ec3 do vi\u1ec7c ng\u0103n ch\u1eb7n th\u01b0\u01a1ng m\u1ea1i h\u00f3a trong c\u1ed9ng \u0111\u1ed3ng s\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m.<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: center;\"><em><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3417 aligncenter\" src=\"https:\/\/vinatom.gov.vn\/wp-content\/uploads\/2019\/06\/27.6.19.5.jpg\" alt=\"\" width=\"699\" height=\"301\" \/>Nguy\u1ec5n Trung Hi\u1ebfu tr\u00ecnh b\u00e0y v\u1ec1 <\/em><em>ph\u1ea7n m\u1ec1m GEANT4 (h\u00ecnh tr\u00e1i) v\u00e0 <\/em><em>Tr\u01b0\u01a1ng Ho\u00e0ng Tu\u1ea5n<\/em><em> tr\u00ecnh b\u00e0y v\u1ec1 p<\/em><em>h\u1ea7n m\u1ec1m <\/em><em>m<\/em><em>\u00e3 ngu\u1ed3n m\u1edf OpenFOAM<\/em><em> (h\u00ecnh ph\u1ea3i)<\/em><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\"><span style=\"text-align: justify;\">Ph\u1ea7n m\u1ec1m m\u00e3 ngu\u1ed3n m\u1edf v\u00e0 t\u1ef1 do OpenFOAM \u0111\u00e3 \u0111\u01b0\u1ee3c l\u1ea5y l\u00e0m v\u00ed d\u1ee5 minh h\u1ecda cho vi\u1ec7c ph\u00e1t tri\u1ec3n c\u00f4ng ngh\u1ec7 m\u00f4 ph\u1ecfng trong nghi\u00ean c\u1ee9u. L\u1ecbch s\u1eed c\u1ee7a OpenFOAM xu\u1ea5t ph\u00e1t t\u1eeb m\u1ed9t lu\u1eadn \u00e1n ti\u1ebfn s\u0129 t\u1ea1i tr\u01b0\u1eddng Imperial College London v\u00e0 ph\u00e1t tri\u1ec3n th\u00e0nh m\u1ed9t ph\u1ea7n m\u1ec1m m\u00f4 ph\u1ecfng c\u00f3 th\u1ec3 c\u1ea1nh tranh v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m th\u01b0\u01a1ng m\u1ea1i ANSYS Fluent \u0111\u00e3 \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y. S\u1ef1 l\u1ef1a ch\u1ecdn c\u00f4ng c\u1ee5 OpenFOAM \u0111\u1ec3 ph\u00e1t tri\u1ec3n c\u00f4ng ngh\u1ec7 m\u00f4 ph\u1ecfng c\u00e1c b\u00e0i to\u00e1n v\u1eadt l\u00fd h\u1ea1t nh\u00e2n v\u00e0 l\u00f2 ph\u1ea3n \u1ee9ng \u0111\u00e3 \u0111\u01b0\u1ee3c kh\u1eb3ng \u0111\u1ecbnh. Th\u1ed1ng k\u00ea s\u01a1 b\u1ed9 (\u0111\u1ebfn cu\u1ed1i n\u0103m 2018) cho th\u1ea5y c\u00f3 kho\u1ea3ng 65 b\u00e0i b\u00e1o nghi\u00ean c\u1ee9u khoa h\u1ecdc s\u1eed d\u1ee5ng OpenFOAM cho m\u00f4 ph\u1ecfng nghi\u00ean c\u1ee9u c\u00f4ng ngh\u1ec7 h\u1ea1t nh\u00e2n, v\u1eadt l\u00fd h\u1ea1t nh\u00e2n (neutronics) d\u1ef1a tr\u00ean c\u00e1c thu\u1eadt to\u00e1n c\u1ee7a OpenFOAM c\u00f3 t\u00ean l\u00e0 GEN-Foam.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">Trong bu\u1ed5i Seminar, nhi\u1ec1u \u00fd ki\u1ebfn trao \u0111\u1ed5i, th\u1ea3o lu\u1eadn s\u00f4i n\u1ed5i \u0111\u1ec3 l\u00e0m r\u00f5 th\u00eam kh\u1ea3 n\u0103ng \u1ee9ng d\u1ee5ng c\u1ee7a c\u00e1c ph\u1ea7n m\u1ec1m GEANT4 v\u00e0 OpenFOAM. \u0110\u1ea1i di\u1ec7n L\u00e3nh \u0111\u1ea1o Trung t\u00e2m H\u1ea1t nh\u00e2n Tp. H\u1ed3 Ch\u00ed Minh, TS. H\u1ed3 M\u1ea1nh D\u0169ng \u0111\u00e3 \u0111\u01b0a ra quan \u0111i\u1ec3m cho r\u1eb1ng nh\u1eefng c\u00f4ng c\u1ee5 ph\u1ea7n m\u1ec1m n\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c c\u00e1c c\u00e1n b\u1ed9 nghi\u00ean c\u1ee9u tr\u1ebb nghi\u00ean c\u1ee9u, khai th\u00e1c \u00e1p d\u1ee5ng t\u1ea1i Trung t\u00e2m, ngo\u00e0i c\u00e1c h\u01b0\u1edbng nghi\u00ean c\u1ee9u truy\u1ec1n th\u1ed1ng v\u1ec1 v\u1eadt l\u00fd h\u1ea1t nh\u00e2n, theo c\u00e1c h\u01b0\u1edbng nghi\u00ean c\u1ee9u v\u1eadt l\u00fd-y h\u1ecdc, \u0111\u1eb7c bi\u1ec7t l\u00e0 y h\u1ecdc h\u1ea1t nh\u00e2n trong th\u1eddi gian s\u1eafp t\u1edbi.<\/p>\n<p style=\"text-align: justify;\"><em>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/em><\/p>\n<p style=\"text-align: right;\"><strong>\u00a0Trung t\u00e2m H\u1ea1t nh\u00e2n Tp. H\u1ed3 Ch\u00ed Minh<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ng\u00e0y 06\/6\/2019, Trung t\u00e2m H\u1ea1t nh\u00e2n Tp. H\u1ed3 Ch\u00ed Minh \u0111\u00e3 t\u1ed5 ch\u1ee9c Seminar v\u1ec1 hai chuy\u00ean \u0111\u1ec1 \u201cM\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng c\u1ee7a ph\u1ea7n m\u1ec1m GEANT4\u201d v\u00e0 \u201cPh\u1ea7n m\u1ec1m m\u00e3 ngu\u1ed3n m\u1edf t\u1ef1 do OpenFOAM \u2013 Ph\u00e1t tri\u1ec3n m\u00f4 ph\u1ecfng c\u00e1c b\u00e0i to\u00e1n v\u1eadt l\u00fd\u201d do Nguy\u1ec5n Trung Hi\u1ebfu v\u00e0 Tr\u01b0\u01a1ng Ho\u00e0ng Tu\u1ea5n, c\u00e1c c\u00e1n [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3418,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,24,16],"tags":[],"class_list":["post-3416","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hoi-nghi-hoi-thao","category-tin-hoat-dong-cua-vien","category-tin-tuc"],"_links":{"self":[{"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/posts\/3416","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/comments?post=3416"}],"version-history":[{"count":0,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/posts\/3416\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/"}],"wp:attachment":[{"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/media?parent=3416"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/categories?post=3416"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vinatom.gov.vn\/wp-json\/wp\/v2\/tags?post=3416"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}