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ABSTRACT

The prudent teaching of the forensic fire engineering analysis of complex building fires must include the subject of computer fire modeling, particularly the use of the Fire Dynamics Simulator (FDS), developed by the National Institute of Standards and Technology (NIST).  However, the problems associated with FDS require that large buildings be divided into rooms or zones, with each assigned to an individual computational mesh.  These mutli-mesh models often produce relatively long execution times of days or weeks and typically require parallel processing computing clusters, which require technically challenging set up and maintenance.  These performance gains can only be accomplished using high performance parallel processing computer clusters designed specifically to use operating systems and hardware that exploit the parallel functions of the FDS code.  This paper presents best practices from the latest research in constructing small, medium, and large-scale high performance parallel processing computing clusters for use in academic environments to support NIST’s FDS fire model.

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Hypothesis vs. Theory

http://www.diffen.com/difference/Hypothesis_vs_Theory September 15, 2017

A hypothesis is either a suggested explanation for an observable phenomenon, or a reasoned prediction of a possible causal correlation among multiple phenomena. In science, a theory is a tested, well-substantiated, unifying explanation for a set of verified, proven factors. A theory is always backed by evidence; a hypothesis is only a suggested possible outcome, and is testable and falsifiable.

Purpose: To present an uncertain possibility that can be explored further through experiments and observations. To explain why a large set of observations are consistently made.

From Out of the Abyss...

This week’s article from the past is titled Incendiary Fires Can Be Spotted and was written by Benjamin Horton, CPCU, who was President of the National Adjuster Traing School in Louisville, Kentucky..  It is taken from the Decembe 1968 Vol. XVI No.5 issue.

Incendiary Fires Can Be Spotted 

In the new issue of NFPA Journal®, President Jim Shannon said the Association will focus on the leading causes of home fires, including cooking. "We also need to continue to push hard for home fire sprinklers. That's still a large priority for NFPA, and we plan to work very aggressively in 2014 on our residential sprinkler initiative," he said.

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NFPA 921, Guide for Fire and Explosion Investigations plays a fundamental role in fire and explosion investigations. A new edition of NFPA 921 is scheduled to be published in 2014. For years, this document has played a critical role in the training, education and job performance of fire and explosion investigators. It also serves as one of the primary references used by the National Fire Academy to support its fire/arson-related training and education programs. It is imperative that investigators understand the scope, purpose and application of this document, especially since it will be used to judge the quality and thoroughness of their investigations.

NFPA 921, Guide for Fire and Explosion Investigations plays a fundamental role in fire and explosion investigations. A new edition of NFPA 921 is scheduled to be published in 2014. For years, this document has played a critical role in the training, education and job performance of fire and explosion investigators. It also serves as one of the primary references used by the National Fire Academy to support its fire/arson-related training and education programs. It is imperative that investigators understand the scope, purpose and application of this document, especially since it will be used to judge the quality and thoroughness of their investigations.

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SAN DIEGO - A Team 10 and Scripps News investigation found arson fires are not investigated properly in many American cities -- including San Diego -- due to a chaotic patchwork of reporting systems and standards.

Many deliberately set building fires are not reported to the federal government.

Nationally, just 5 percent of all residential building fires are intentionally set, according to the National Fire Incident Reporting System, which is part of the Department of Homeland Security.  Data collected by Scripps News suggests the national arson rate to be significantly higher.

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HR 549: National Bombing Prevention Act of 2009

Introduced by Representative Peter T. King

January 15, 2009

The following is from the Library of Congress - Thomas

National Bombing Prevention Act of 2009 - Amends the Homeland Security Act of 2002 to direct the Secretary of Homeland Security to establish an Office for Bombing Prevention within the Department of Homeland Security's (DHS) Protective Security Coordination Division of the Office of Infrastructure Protection. Assigns the Office primary responsibility for enhancing the ability and coordinating the efforts of the nation to deter, detect, prevent, protect against, and respond to terrorist explosive attacks in the United States.

Directs the Secretary to partner with other federal, state, local, and tribal agencies, nonprofit organizations, universities, and the private sector to: (1) develop a pilot program that includes a domestic breeding program for explosives detection canines; (2) increase the number of capability assessments of explosives detection canine units; (3) continue development of a scientifically-based training curriculum to enhance consensus-based national training and certification standards to provide for the effective use of explosives detection canines; and (4) continue engagement in explosives detection canine research and development activities through partnerships with the Science and Technology Directorate and the Technical Support Working Group.

Directs the Secretary to develop and periodically update a national strategy to prevent and prepare for terrorist explosive attacks in the United States.

Directs the Secretary, acting through the Under Secretary for Science and Technology, to: (1) ensure coordination and information sharing regarding nonmilitary research, development, testing, and evaluation activities relating to the detection and prevention of, protection against, and response to terrorist attacks in the United States using explosives or improvised explosive devices and the development of tools and technologies necessary to neutralize and disable explosive devices; (2) coordinate with relevant federal department heads to ensure that military policies, procedures, activities, tools, and technologies to prevent and respond to terrorist attacks are adapted to nonmilitary uses; (3) establish a technology transfer program to facilitate the identification, modification, and commercialization of technology and equipment for use by agencies, emergency response providers, and the private sector against such attacks; and (4) establish a working group to advise and assist in the identification of military technologies developed by the Department of Defense (DOD) or the private sector to protect against and respond to explosive attacks.

Amends the Implementing Recommendations of the 9/11 Commission Act of 2007 to direct the Comptroller General to utilize explosives detection canine teams of the Transportation Security Administration (TSA) and other DHS agencies to strengthen security and capacity.

Directs the Secretary to submit a report to specified congressional committees on the administration of canine procurement activities by DHS to deter, prevent, detect, and protect against terrorist explosive attacks in the United States that includes consideration of the feasibility of reducing the price paid for the procurement of untrained canines."

 

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