Structure Optimization Design for Snubbing Unit

doi:10.3969/j.issn.1006-396X.2014.03.020

Journal of Petrochemical Universities ›› 2014, Vol. 27 ›› Issue (3): 92-96.DOI: 10.3969/j.issn.1006-396X.2014.03.020

（1.The Department of Engineering Mechanics, China University of Petroleum, Qingdao Shandong 266580, China； 2.China Petroleum Engineering & Construction Corp. EastChina Design Branch, Qingdao Shandong 266071, China； 3.Mechnical Engineering Department, SLECC, Dongying Shandong 257026, China）

Received:2013-02-16 Revised:2014-05-19 Published:2014-06-25 Online:2014-06-16

不压井井口装置的结构优化设计

署恒木¹, 潘秀珍¹, 魏升龙², 王黎明¹, 宋作苓³

( 1. 中国石油大学( 华东) 工程力学系, 山东青岛2 6 6 5 8 0; 2. 中国石油工程建设公司华东设计分公司, 山东青岛2 6 6 0 7 1;
3. 胜利油田胜利勘察设计研究院有限公司机械设备设计所, 山东东营2 5 7 0 2 6)

作者简介:署恒木( 1 9 5 7 - ) , 男, 博士, 教授, 从事油气田工程力学、大型结构分析、油气装备安全评估、海工结构强度分析及寿命预测等研究; E - m a i l : s h u h m@h d p u. e d u. c n

Abstract

Abstract: The topology optimization and size optimization were adopted for snubbing unit design. First of all, by using topology optimization which based on variable density, the most optimal material distribution path in the design space was obtained, which aimed for the minimum compliance and constrained by volume fraction. As a result, snubbing unit can be redesigned by the topology optimization result. Meanwhile, new finite element model was established on the topology optimization of snubbing unit, and with the tool of size optimization, snubbing unit got weight loss, which aimed for minimum mass and constrained by maximum displacement and maximum stress. Taking use of these two optimization methods, the performance of snubbing unit is improved and the mass of snubbing unit is reduced, which provide a new design method for engineering construction.

Key words: Snubbing unit, , ANSYS, , Structure optimization, , Topology optimization, , Size optimization

摘要： 采用拓扑优化和尺寸优化对不压井装置进行结构优化设计。首先利用基于变密度法的拓扑优化, 以柔度最小为优化目标, 体积分数作为约束条件, 得到设计空间内最优的材料分布路径。然后根据得到的拓扑结构重新设计不压井装置结构。利用最终得到的不压井装置的拓扑结构建立新的有限元模型, 利用尺寸优化工具, 以最小质量为优化目标, 最大位移与最大应力为约束条件, 实现不压井装置的减重。通过综合两种优化方法, 不仅提高了不压井装置的性能, 而且大大降低了不压井装置的质量, 为工程结构提供了一种新设计思路。

关键词: 不压井井口装置, , , AN S Y S, , 结构优化, , 拓扑优化, , , 尺寸优化

Shu Hengmu,Pan Xiuzhen,Wei Shenglong,et al. Structure Optimization Design for Snubbing Unit[J]. Journal of Petrochemical Universities, 2014, 27(3): 92-96.

署恒木, 潘秀珍, 魏升龙, 王黎明. 不压井井口装置的结构优化设计[J]. 石油化工高等学校学报, 2014, 27(3): 92-96.

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