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首页> 外文会议>Proceedings of the Fifteenth international conference on civil, structural and environmental engineering computing >A Distributed Multi-Level Simulation Tool for Tunnel Risk Assessment and Cost Optimization
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A Distributed Multi-Level Simulation Tool for Tunnel Risk Assessment and Cost Optimization

机译：用于隧道风险评估和成本优化的分布式多级仿真工具

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摘要

In this paper, a workflow management system and a web-based cluster front-end developed for scheduling simulations is presented. The workflow, generated via a web interface is described as well as the integration from the web server into the cluster. User interaction was achieved on multiple stages. The user can interact with the system by specifying the input parameters that the simulations should vary. One can add, start and stop the simulation on the cluster, upload or create scripts and parse the resulting data to the server location. The user is also able to execute existing executable scripts located on the cluster. The process of every sub-simulation can be followed heterogeneously with a maximum of one minute delay. How the core allocation decision is being taken by the scheduler itself, which follows an agent-based protocol inspired by the FIPA-Contract-Net protocol of communication is discussed. Thus, the scheduler itself always inspects the level of coverage of the preconditions that each of the jobs has to meet. The strategy that was followed for integrating different simulating models that were developed for mesh generation, traffic simulation, airflow simulation, smoke propagation simulation, ventilation strategy simulation is presented with an evacuation simulation that are used to estimate the consequences of a fire in a tunnel and finally approximate its risk.
机译：本文介绍了用于调度仿真的工作流管理系统和基于Web的集群前端。描述了通过Web界面生成的工作流以及从Web服务器到群集的集成。用户交互是在多个阶段实现的。用户可以通过指定仿真应改变的输入参数来与系统交互。可以在群集上添加，启动和停止仿真，上载或创建脚本并将结果数据解析到服务器位置。用户还能够执行位于群集上的现有可执行脚本。每个子模拟的过程最多可以延迟一分钟，进行异构跟踪。讨论了调度程序本身如何遵循核心分配决策，该决策遵循受FIPA-Contract-Net通信协议启发的基于代理的协议。因此，调度程序本身总是检查每个作业必须满足的前提条件的覆盖级别。提出了集成用于网格生成，交通模拟，气流模拟，烟雾传播模拟，通风策略模拟的不同模拟模型的策略，并结合了疏散模拟，用于估算隧道内火灾的后果。最终估算出其风险。

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