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    肖志榮        （杭州應(yīng)用工程技術(shù)學(xué)院 310012） 

    孫炳楠        （浙江大學(xué)土木系  杭州 310027)

[提要] 基于有限元分析理論編制了三維塊體有限元分析程序FEP3D。應(yīng)用該程序可實(shí)現(xiàn)高層建筑中厚板結(jié)構(gòu)的內(nèi)力分析。工程實(shí)例分析表明：FEP3D的計(jì)算結(jié)果與商業(yè)通用軟件ALGOR FEAS的計(jì)算結(jié)果一致性較好，而使用FEP3D進(jìn)行計(jì)算只需劃分較稀疏的網(wǎng)格即可達(dá)到較好的精度，且該程序可將應(yīng)力值合成內(nèi)力值，為工程設(shè)計(jì)提供直接的應(yīng)用。
[關(guān)鍵詞]  高層建筑  厚板基礎(chǔ)  塊單元有限元分析

The finite element analysis program of 3 dimensional solid element FEP3D is developed on the basis of the finite element analysis theory. This program can be used to analyze the internal force in the thick plate of highrise building foundation. The analysis results of the engineering example obtained from FEP3D agree well with those from the common commercial software ALGOR FEAS. Furthermore, the results of high precision can be gained with less amount of mesh in FEP3D, and this program can complete the function of integrating stress into internal force which leads to the direct application in the engineering design.
Keywords: highrise building; thick plate; foundation; solid element; finite element analysis