Optimized Parallel Approach for 3D Modelling of Forest Fire Behaviour
نویسندگان
چکیده
In this paper we present methods for parallelization of 3D CFD forest fire modelling code on Non-uniform memory computers in frame of the OpenMP environment. Mathematical model is presented first. Then, some peculiarities of this class of computers are considered, along with properties and limitations of the OpenMP model. Techniques for efficient parallelization are discussed, considering different types of data processing algorithms. Finally, performance results for the parallelized algorithm are presented and analyzed (for up to 16 processors).
منابع مشابه
Dynamic Data Driven Ensemble for Wildfire Behaviour Assessment: A Case Study
Wildfire information has long been collected in Europe, with particular focus on forest fires. The European Forest Fire Information System (EFFIS) of the European Commission complements and harmonises the information collected by member countries and covers the forest fire management cycle. This latter ranges from forest fire preparedness to post-fire impact analysis. However, predicting and si...
متن کاملAn Assessment of Fire-Damaged Forest Using Spatial Analysis Techniques
Although forest fires are commonly accepted as a natural part of the ecosystem, frequent forest fires present great challenges to fire managers. In this research, ‘Fire Area Simulator’ has been used to simulate and study forest fire behaviour. Once the predicted perimeters were generated and compared to those shown in postmortem aerial infrared images, partial agreement was observed for the dir...
متن کاملA Spatio-Temporal Analysis on the forest Fire Occurrence in Central Kalimantan, Indonesia
Fire is a disaster that causes adverse effects to forests, ecosystems and human life in Central Kalimantan, Indonesia. Enhancing technologies that monitor fires could reduce the occurrence of these disasters. In order to develop a robust fire monitoring system, a deep understanding of fire behaviour is needed. This study focuses on the investigation of spatial and temporal factors influencing f...
متن کاملInput Parameter Calibration in Forest Fire Spread Prediction: Taking the Intelligent Way
Predicting wildfire behaviour is an art as much as it is a science. Forest fires are a serious threat to humans and nature from an ecological, social end economic point of view and false and unreliable forecasts may lead to tragedy. The best strategies are needed to quickly and efficiently extinguish an ongoing fire in order to minimise its destructive effects. Wildfire behaviour and growth mod...
متن کاملتجزیه و تحلیل آتشسوزی جنگل با منشأ آبوهوایی با دادههای ماهوارهای در منطقهی البرز
Forest fire is one of the important problems in Iran which is caused by different factors such as human and natural factors. One of these factors is climate conditions that can be created by heat wave and special circulation of atmospheric phenomena. Occurrence of forest fire in north of Iran have different impacts on environment such as destruction of natural. According to the position of Iran...
متن کامل