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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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Welcome to CCAI

The California Conference of Arson Investigators is the oldest and the most active fire and arson investigator's association in the country, with over 1,100 members.  CCAI is the only organization that transcends the gap between the public (fire service, law enforcement) and private (i.e. insurance adjusters, private investigators, etc.) sectors.   Created in 1954, and incorporated under the laws of the State of California in 1960 as a non-profit corporation, it serves the professional needs of men and women engaged in all aspects of fire and arson investigation.   CCAI is Chapter #22 of the International Association of Arson Investigators.

CCAI conducts semi-annual training seminars, using the finest instructors from across the country.   The most up to date technical information on fire, fraud, and arson investigation is provided to hundreds of participants.   All aspects of fire/arson investigation are covered in training provided to public and private sectors.

Representing the fire service and professional fire and arson investigators in California.CCAI provides regional Roundtable meetings at locations throughout the State of California.  The Roundtable meetings are the backbone of the organization. Attendees are presented with programs of special interest at these meetings.   One of the many benefits of attending these meetings is the ability to network with local public and private fire investigators to discuss recent fire trends and individual fire cases.

CCAI is proud to be involved in the advancement of fire and arson investigation. Through education and training, CCAI has proven the true value of a professional organization. Through an extremely active membership, this non-profit organization has brought together various divergent segments of a diversified profession, and helped to make fire and arson training in California the best and most coordinated, professional training in the nation.

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