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王欣1,2， 李志山1,2
(1廣州容柏生建筑結(jié)構(gòu)設(shè)計(jì)事務(wù)所，廣州510170;2廣州數(shù)力工程顧問有限公司，廣州510170)
[摘要] 本文簡要介紹了SAUSAGE軟件所采用的“GPU +CPU”并行計(jì)算手段，詳述其動(dòng)力彈塑性時(shí)程分析的方法，包括顯式分析方法、鋼材和混凝土本構(gòu)模型、纖維梁單元與分層殼單元、結(jié)構(gòu)模型構(gòu)建過程及分析步驟。隨后選取某帶加強(qiáng)層的框筒結(jié)構(gòu)，采用SAUSAGE與ABAQUS進(jìn)行罕遇地震作用下動(dòng)力彈塑性時(shí)程對比分析，以研究該結(jié)構(gòu)體系的抗震性能，并驗(yàn)證SAUSACE的正確性與高效性。
[關(guān)鍵詞] GPU；彈塑性時(shí)程分析；顯式分析；纖維梁；SAUSAGE; ABAQUS
中圖分類號(hào)：TU973 文獻(xiàn)標(biāo)識(shí)碼：A 文章編號(hào)：1002-848X(2012) S2-0007-05Elastic-plastic time-history analysis method and application of SAUSAGE
Wang Xin 1,2，Z.lee1.2
(1 RBS Architecture Engineer Design Associate, Guangzhou 510170, China; 2 Guangzhou Scientific Computing Consultants Co., Ltd., Guangzhou 510170, China)Abstract: The parallel processing of "GPU +CPU" adopted by SAUSAGE is introduced, the elastic-plastic time-lustory analysis method of SAUSAGE is specified, include the explicit method, steel and concrete constitutive model, fibre beam element and layered shell element, the build process of structural model and analysis steps. Then a framed-tube structure with outriggers was selected as a study case, the elastic-plastic time-history analysis under the rare earthquakes is carried out by SAUSAGE and ABAQUS, in order to study the seismic performance of this structural system, and showed the correctness and efficiency of SAUSAGE.
Keywords: GPU; elastic-plastic time-history analysis; explicit method; fibre beam element; SAUSAGE; ABAQUS
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