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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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Passing of Rob Van Wormer

The following article was submitted by Randy Martin, CCAI Chaplain.

 

As I arrived at the parking lot of the HP Pavillion in San Jose, I was greeted by a red sea of fire apparatus.  The San Jose Fire Department had provided two ladder trucks that were set up in the parking lot; ladders fully extended facing each other with a very large American flag hanging between them.  It was a spectacular site, and what an awesome tribute to Rob.  The flag hanging is this manner has always impressed me.

After arriving, I located the Chaplain that would be performing the service.  As it turned out, he was a Captain that had I worked with in Riverside, California.  It was good to see him again.

The procession that entered the parking lot was laden with fire apparatus and was followed by the limousines that carried the family.  The procession route was lined with fire personnel standing at attention and saluting as the fire engine, which carried the casket, made its way through the crowd.

The San Jose Fire Department had positioned two additional ladder trucks with their ladders fully extended, donning the American flag hanging between them inside the Pavillion.

The service opened with music and a warm welcome to everyone in attendance followed by prayer, guest speakers, the eulogy, and a message to the Fire Family, a Law Enforcement prayer and a song.  The Benediction was followed by the Fire Fighters prayer, the Last Alarm and the Riffle Volley.  Taps rang out from the bag pipes, which always gets to me.  In closing, they had the Flag Folding after which the pipes and drums played Amazing Grace and ended with the presentation of gifts for the Family.

Rob was only on this earth for 47 years; he left us way too soon! He will be missed dearly.

Fire Chaplain

Randy Martin

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