船舶
船舶
선박
SHIP & BOAT
2013年
5期
32-35
,共4页
半潜平台%结构强度%全寿命%可靠性%有限元
半潛平檯%結構彊度%全壽命%可靠性%有限元
반잠평태%결구강도%전수명%가고성%유한원
semi-submersible platform%structural strength%life-cycle%reliability%finite element
利用ANSYS及AQWA有限元方法进行某半潜平台下水前的自存工况整体强度校核，根据目前的技术状况报告评估其腐蚀度与裂缝情况，并由腐蚀度折算钢板厚度，进行现行自存工况下的整体强度校核。文中选取了JONWASP谱描述的7种海况，分别进行整体强度计算和构件强度可靠性分析，最终获得该半潜平台目前在整个使用寿命过程中的整体强度及可靠性变化的规律。
利用ANSYS及AQWA有限元方法進行某半潛平檯下水前的自存工況整體彊度校覈，根據目前的技術狀況報告評估其腐蝕度與裂縫情況，併由腐蝕度摺算鋼闆厚度，進行現行自存工況下的整體彊度校覈。文中選取瞭JONWASP譜描述的7種海況，分彆進行整體彊度計算和構件彊度可靠性分析，最終穫得該半潛平檯目前在整箇使用壽命過程中的整體彊度及可靠性變化的規律。
이용ANSYS급AQWA유한원방법진행모반잠평태하수전적자존공황정체강도교핵，근거목전적기술상황보고평고기부식도여렬봉정황，병유부식도절산강판후도，진행현행자존공황하적정체강도교핵。문중선취료JONWASP보묘술적7충해황，분별진행정체강도계산화구건강도가고성분석，최종획득해반잠평태목전재정개사용수명과정중적정체강도급가고성변화적규률。
By using FEM ANSYS and AQWA,this paper checks overall strength of a semi-submersible platform under the self-surviving condition before launching. According to the current technical report ,it assesses corrosion degree and crack situation ,and calculates the thickness of steel plate by corrosion degree. This paper selects seven sea conditions described by JONWASP spectrum ,and calculates the overall strength and analyzes reliability of the component strength ,respectively. Finally ,it obtains the rule of the overall strength and reliability during the whole life-cycle for the current semi-submersible platform.
