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Stochastic Simulation Of Hurricane Wind And Rain Hazards, Prashant Rawal Dec 2019

Stochastic Simulation Of Hurricane Wind And Rain Hazards, Prashant Rawal

All Dissertations

Quantification of hurricane hazard, which includes wind, rainfall and storm surge, is essential for engineering design as well as financial loss assessment. The objective of this study is to develop a stochastic simulation framework which integrates the simulation process of hurricane rainfall and wind hazard. This study is divided into two parts. The main objective of the first part is to develop a method for the estimation of the hurricane wind field parameters radius to maximum wind speeds (R_max) and Holland B parameter (B). The second part develops a stochastic model to simulate hurricane rainfall, which is named the ‘NormRain ...


Role Of Opinion Sharing On The Emergency Evacuation Dynamics, Aravinda Ramakrishnan Srinivasan May 2018

Role Of Opinion Sharing On The Emergency Evacuation Dynamics, Aravinda Ramakrishnan Srinivasan

Doctoral Dissertations

Emergency evacuation is a critical research topic and any improvement to the existing evacuation models will help in improving the safety of the evacuees. Currently, there are evacuation models that have either an accurate movement model or a sophisticated decision model. Individuals in a crowd tend to share and propagate their opinion. This opinion sharing part is either implicitly modeled or entirely overlooked in most of the existing models. Thus, one of the overarching goal of this research is to the study the effect of opinion evolution through an evacuating crowd. First, the opinion evolution in a crowd was modeled ...


Predictors Of Social Vulnerability : A Multilevel Analysis., Regardt J. Ferreira May 2013

Predictors Of Social Vulnerability : A Multilevel Analysis., Regardt J. Ferreira

Electronic Theses and Dissertations

Over the past three decades there has been a rapid increase in the number of disasters occurring worldwide that affect communities, households and individuals. The increase in disasters and the associated impacts are evident in our society. The impact of disasters can have more chronic impacts generating social and economic hardship, loss of employment, dissolution of personal relationships, and the long-term decline of physical and mental health. A study was undertaken to develop an understanding of the predictors of individual social vulnerability on individuals nested within communities. The Behavioural Risk Factor Surveillance System and 14 other community level data sources ...