PuMA was developed for Linux operating systems and is available as a NASA software under a US & Foreign release. For example, if you are moving at 10 meters per frame (extremely fast since that’s 600 meters per second at 60 frames), and the wall is even 1 meter thick (very thick), in a single frame you would likely start on one side of the wall and in a single frame already be on the other side of the wall with no collision/intersection. The software also includes a time-dependent, particle-based model for the oxidation of fibrous materials.
Representative elementary volume analysis can be performed on each property. A random method has been developed to compute tortuosity factors from the continuum to rarefied regimes. Two finite difference Laplace solvers have been implemented to compute the continuum tortuosity factor, effective thermal conductivity, and effective electrical conductivity. Version 2.1 includes modules to compute porosity, volume fractions, and surface area. The framework makes it possible to easily create rich virtual environments with rigid-body dynamics, 3D. For this reason, the text assumes both OpenGL 3.0-capable hardware and OpenGL 3.0-capable graphics drivers. OpenGL 3.0 differs from previous versions in that it sets a minimum level of support from the graphics card to create a context. PuMA also provides a module for interactive 3D visualizations. This paper describes an authoring environment for real time 3D environments, Colosseum3D. OpenGL 2.1 and OpenGL 3.0 This book primarily targets OpenGL 3.0, as it is the most recent release of OpenGL.
PuMA is able to import digital three-dimensional images obtained from X-ray microtomography or to generate artificial microstructures.
The Porous Microstructure Analysis (PuMA) software has been developed in order to compute effective material properties and perform material response simulations on digitized microstructures of porous media.
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