Theoretical analysis was conducted for the dynamic equation problem of non-classical damp of offshore platform structure under stochastic wave load.
运用复模态理论对考虑海洋平台结构与流体相互作用而引起的非经典阻尼问题进行了理论分析。
The basic principle of ultrasonic phased array inspection imaging technology and its new development in offshore platform structure inspection are described.
介绍了超声相控阵检测成像技术的基本原理及其在海洋平台结构检测中的最新进展。
Inspection scheme of offshore platform structure ultrasonic phased array was also presented, and the reference block of offshore platform structure was detected by this system.
提出海洋平台结构超声相控阵检测方案，并使用该系统在对比试件上进行试验。
Considering certain special characteristics in the vibration analysis of ship hull or offshore platform structure, an improved determinant search method is presented for the SAP-5 program.
本文结合船舶结构振动计算的特点，把SAP-5程序的行列式搜索法加以推广，设计出能处理和判别刚体模态、能从任意谐调频率开始计算的行列式搜索法。
The assessment research method and programme structure assessment for offshore jacket platform by using SESAM software of DNV were introduced and assessment result was gained.
介绍了应用挪威DN V船级社sesam软件进行海上平台导管架结构的评估方法和程序，并得出评估结论。
The jacket offshore platform is a spatial structure, and the computation of its response to the multiple seismic excitations is complicated.
导管架海洋平台是一种空间结构体系，在多维地震动作用下的反应计算较为复杂。
Because the storage tank effects on the structure excited by earthquake, wave, ice, the dynamical peculiarity of the offshore platform with storage tank is different from the common platform.
油罐在冰、波浪和地震作用下的动力响应对整体结构有很大影响，使储油罐平台的动力特性与一般导管架平台不同。
Further, the construction of offshore platform is a vast project with the complex structure jointed by a large number of pipes who are manufactured from high-strength and expensive steel.
进一步的，海洋石油平台是一项浩大的工程，其复杂结构往往需要大量高强度且原材料成本昂贵的钢管件搭建而成。
Based on the working environment of offshore platform and structural feature, other failure modes of structure are researched in this paper.
本文针对海上平台的工作环境及结构形式特点分析探讨了构件的其它一些破坏模式。
The lifting type jacket and integrated deck structure have significantly simplified offshore installation of the platform and greatly reduced the weight of the structure.
吊装式导管架和整体吊装甲板显著地简化了平台的海上安装并且大量地减轻了结构质量。
The lifting type jacket and integrated deck structure have significantly simplified offshore installation of the platform and greatly reduced the weight of the structure.
吊装式导管架和整体吊装甲板显著地简化了平台的海上安装并且大量地减轻了结构质量。
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