Over the years, large and complex energy simulation computer programs have evolved. These programs are mainly of two types, open source code and proprietary programs. It is intended in this review to focus on th
Energy simulation in buildings: overview and BLAST exampledoi:10.1016/S0140-6701(02)85484-4SDOSFuel & Energy Abstracts
simulation methods (and even code) that originated in the 1960s. For more than two decades, the U.S. government supported separate development of two hourly building energy simulation programs, BLAST and DOE–2. Designed in the days of mainframe computers, expanding ...
The peak pressure of the blast and the time over which the initial pressure wave decays to zero together define the impulse energy delivered. While pressure is instantaneous, the delivered energy is cumulative, and is at the root of the damage that can result. Mathematically, the impulse energy...
The bottleneck in this type of computer simulation mainly comes from the requirement of element size for the explosive and air domains. Some studies showed that, in order to capture the accurate release of blast energy from explosives, element size as small as 0.5–1.0 mm should be used...
[...]one third of the energy required for steel production from iron oreinablastfurnace, reduces air pollution by 85 per cent and water use by 40 per cent. daccess-ods.un.org daccess-ods.un.org 电弧炉用废铁制钢所 需能源,约为鼓风炉用铁矿制钢所需能源的三分之一,空气污染减少 85%,用...
The validity of the finite element (FE) models has been ensured for steel plates, concrete slabs, and composite sandwich panels under blast loading by comparing the numerical simulation results with the experimental data and analysis results obtained from the literature. The validation studies have ...
energy method, based on the combustion energy, E of a cloud part producing blast due to congestion, an assumed initial blast strength at the edge of that cloud part (grades 1–10), and solving the gas dynamic conservation equations for the surrounding air by a 2-D finite difference code....
Existing numerical codes for the simulation of blasting can be divided into finite element, finite difference, distinct element and hybrid codes. Preece and Taylor developed a 2D discrete element code, called the Distinct Motion Code (DMC), to incorporate the rock motion due to the gas flow and...
energy dissipation by heating the compressed gas, which adds energy to the compressed gas. However, these solutions are limited in their effectiveness because the form of the pressure wave is equally important as the energy in it. The present invention takes a new approach by using the ...