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Open source procedure for assessment of loss using global earthquake modelling software (OPAL)

机译：使用全球地震建模软件（OPAL）进行损失评估的开源程序

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This paper provides a comparison between Earthquake Loss Estimation (ELE) software packages and their application using an "Open Source Procedure for Assessment of Loss using Global Earthquake Modelling software" (OPAL). The OPAL procedure was created to provide a framework for optimisation of a Global Earthquake Modelling process through: 1. overview of current and new components of earthquake loss assessment (vulnerability, hazard, exposure, specific cost, and technology); 2. preliminary research, acquisition, and familiarisation for available ELE software packages; 3. assessment of these software packages in order to identify the advantages and disadvantages of the ELE methods used; and 4. loss analysis for a deterministic earthquake (Mw Combining double low line 7.2) for the Zeytinburnu district, Istanbul, Turkey, by applying 3 software packages (2 new and 1 existing): a modified displacement-based method based on DBELA (Displacement Based Earthquake Loss Assessment, Crowley et al., 2006), a capacity spectrum based method HAZUS (HAZards United States, FEMA, USA, 2003) and the Norwegian HAZUS-based SELENA (SEismic Loss EstimatioN using a logic tree Approach, Lindholm et al., 2007) software which was adapted for use in order to compare the different processes needed for the production of damage, economic, and social loss estimates. The modified DBELA procedure was found to be more computationally expensive, yet had less variability, indicating the need for multi-tier approaches to global earthquake loss estimation. Similar systems planning and ELE software produced through the OPAL procedure can be applied to worldwide applications, given exposure data.
机译：本文使用“使用全球地震建模软件评估损失的开源程序”（OPAL）对地震损失估算（ELE）软件包及其应用程序进行了比较。创建OPAL程序旨在通过以下方式为优化全球地震建模过程提供框架： 1.地震损失评估的当前和新组成部分概述（脆弱性，危害，暴露，特定成本和技术） ; 2.对可用的ELE软件包进行初步研究，获取和熟悉; 3.评估这些软件包，以识别所用ELE方法的优缺点;和 4.通过应用3个软件包（2个新软件包和1个现有软件包）对土耳其伊斯坦布尔Zeytinburnu区的确定性地震（ M w结合双低线7.2）进行损失分析：一种基于DBELA（基于位移的地震损失评估，Crowley等人，2006），基于容量谱的方法HAZUS（美国HAZards，FEMA，美国，2003）和基于挪威HAZUS的SELENA（SEismic）的改进的基于位移的方法使用逻辑树方法（Lindholm等，2007）对损失进行估算，该软件经过改进后可以使用，以便比较产生损失，经济和社会损失估算所需的不同过程。发现改进的DBELA程序在计算上更加昂贵，但可变性较小，这表明需要采用多层方法来估算全球地震损失。在给定曝光数据的情况下，通过OPAL程序生产的类似系统计划和ELE软件可以应用于全球范围内的应用。

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