摘 要：海洋平台在海上运作时会遇到许多的意外情况，而爆炸就是其中之一，导致爆炸的因素可能有许多种，如油气泄漏，设备损坏，结构破坏碰撞等，虽然发生的概率很小，但一旦发生，对海洋平台整体结构，平台上的各种设备以及平台上工作人员的生命安全都有可能是致命的。因此，在海洋平台的设计建造中，研究人员不得不考虑这个问题，预先设计相应的防爆措施能够有效降低爆炸对海洋平台带来的损害。
本文主要针对海洋平台防爆墙的设计建造进行了研究，本次研究中论证了空中爆炸理论与MSC.DYTRAN软件，论证了建立有限元模型数值模拟海洋平台防爆墙结构在爆炸冲击波载荷作用的动态响应分析的可行性。根据相关规范，使用MSC.PATRAN软件建立了海洋平台防爆墙的简化模型，运用等效TNT炸药的方法模拟了所选取的理想爆炸源，加入了运用欧拉网格模拟的空气域，详细陈述了海洋平台防爆墙的设计及规格尺寸，分析方法，载荷施加和受力情况。通过设计槽型舱壁作为防爆墙的设备舱室与使用普通平板舱壁未增设防爆设施的设备舱室进行对比，直观分析研究槽型舱壁的抗爆性能。
关键词：海洋平台防爆墙；MSC.DYTRAN；空中爆炸理论；有限元方法
Abstract：Offshore platform operation will meet many unexpected at sea, and the explosion is one of factors causing explosion may have many kinds, such as oil and gas leak, equipment damage, structure collision damage, although the probability is very small, but once it happened, for Marine platform structure, platform of staff's life safety devices and platforms can be fatal.
This paper focuses on the design of offshore platform explosion-proof wall construction are studied, this study demonstrated that the air blast theory and MSC. DYTRAN basic theory, demonstrates the established finite element model a numerical simulation of Marine platform explosion-proof wall structure in the feasibility of the dynamic response analysis of the explosion shock wave loading. According to the relevant specification, the use of MSC. PATRAN software were established the simplified model of the offshore platform explosion-proof wall, was simulated by using the method of equivalent TNT to select the ideal of explosion source, joined the air using euler grid simulation domain, a detailed statement of the offshore platform explosion-proof wall design and size, analysis method, load and stress distribution. Through the bulkhead design groove used as blast walls equipment cabin and ordinary flat bulkhead not adding explosion-proof facilities equipment cabin comparisons, intuitive analysis of groove type bulkhead antiknock performance. By changing the radius of the source of the explosion and the distance of the detonation, the paper tries to make a comparison of the multiple calculation, and selects the more reasonable and efficient calculation data to reduce the error.
Keywords: blastproof walls；MSC.DYTRAN；Explosive theory of air；The finite element method
目 录
第一章 绪论 1
1.1 研究目的及意义 1
1.3 本文主要研究内容 4
第二章 空中爆炸冲击波理论及数值仿真方法研究 5
2.1 引言 5
2.2 空中爆炸冲击波理论 5
2.2.1 冲击波的形成 5
2.2.2 冲击波的基本关系式 5
2.2.3 空中爆炸冲击波的传播规律 7 MSC.DYTRAN海洋平台防爆墙结构形式数值模拟研究:http://www.chuibin.com/wuli/lunwen_206625.html