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Executive Summary

This document describes the creation of a computer model designed to simulate how explosives interact with magnetic fields in high-power generators. The goal was to update existing software to help engineers design devices that use controlled explosions to create massive bursts of electrical energy.
Analysis Confidence: High
ST_CODE: 8FFF68

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2/3/2026

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INVESTIGATIVE ANALYSIS

Layman's Executive Summary

This document describes the creation of a computer model designed to simulate how explosives interact with magnetic fields in high-power generators. The goal was to update existing software to help engineers design devices that use controlled explosions to create massive bursts of electrical energy.

Document Origin

The report was authored by John J. Watrous and Michael H. Frese of NumerEx, a private research firm in Albuquerque, New Mexico, under contract (9-XTbQ4340-1) for Los Alamos National Laboratory (LANL).

Research Purpose

The research aimed to integrate a dynamic explosive model into the MACH2 magnetohydrodynamic (MHD) code. This allowed researchers to simulate and design explosive magnetic flux compression generators (MCGs), which require precise modeling of both detonating drivers and compressing magnetic fields.

Relevancy Analysis

" This report is a critical technical link between high-energy explosive modeling and Magnetohydrodynamics (MHD), which are foundational to Field-Reversed Configuration (FRC) fusion research and advanced propulsion. The involvement of NumerEx and LANL in the Albuquerque tech corridor aligns this work with the broader ecosystem of DARPA and Sandia National Laboratories' efforts in compact, high-output power systems often associated with advanced aerospace applications. "

Extracted Verifiable Claims

  • › Report 93-04 was prepared for Los Alamos National Laboratory under contract 9-XTbQ4340-1.
  • › The authors of the report are John J. Watrous and Michael H. Frese of NumerEx.
  • › The software being modified is the MACH2 magnetohydrodynamic code.
  • › NumerEx was located at 1400 Central SE, Suite 2000, Albuquerque, New Mexico 87106 at the time of publication.
  • › The document includes specific two-dimensional simulation data for azimuthal magnetic fields and internal energy density at 10, 20, and 30 microseconds.

Technical Contribution

This document provides the specific algorithmic modifications and input file listings required to enable the MACH2 code to simulate explosive detonation threshold behaviors and energy release within an MHD framework.

FORENSIC_TRANSCRIPT_LOG

Transcript

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INTRODUCTION

A Dynamic Explosive Model for MACH2 With Applications to Magnetic Flux Compression Generators John J. Watrous and Michael H. Frese March 2, 1993 Report 93-04 Los Alamos National Laboratory Contract 9-XTb Q4340-1 Numer Ex 1400 Central SE, Suite 2000 Albuquerque, New Mexico 87106-481 1 DISC LA I M ER This report was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor any agency thereof, nor any of their employees, make any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United States Government or any agency thereof. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or any agency thereof. DISCLAIMER Portions of this document may be illegible in electronic image products. Images are produced from the best available original document. Contents ... List of Figures ......................................... 111 1 Introduction ......................................... 1 2 The Dynamic Explosive Model ............................ 1 3 One-Dimensional Demonstration ......................... .4 4 Two-Dimensional Demonstration ......................... 10 5 Conclusions.. ....................................... 18