Charles Culp

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Mapping Textures on 3D Terrains: A Hybrid Cellular Automata Approach. (December 2005) Swapnil Sinvhal, B.Arch., Indian Institute of Technology, Roorkee, India Chair of Advisory Committee: Dr. John Keyser It is a time consuming task to generate textures for large 3D terrain surfaces in computer games, flight simulations and computer animations. This work(More)
Four areas in Texas, involving 16 counties, have been designated by the United States Environmental Protection Agency (EPA) as nonattainment areas because ozone levels exceed the National Ambient Air Quality Standard (NAAQS) maximum allowable limits. These areas face severe sanctions if attainment is not reached by 2007. Four additional areas in the state(More)
For low-rise buildings, the heat loss through the ground coupled floor is a significant load component. Studies showed that the current simulation tools give dissimilar results for the ground coupled heat transfer (GCHT) in slab-on-grade constructions. This paper extends the previous comparative work by comparing EnergyPlus and DOE-2.1e results for GCHT(More)
Four areas in Texas have been designated by the United States Environmental Protection Agency (EPA) as non-attainment areas because ozone levels exceed the National Ambient Air Quality Standard (NAAQS) maximum allowable limits. These areas face severe sanctions if attainment is not reached by 2007. Four additional areas in the state are also approaching(More)
Buildings alone consume approximately 40% of the annual global energy and contribute indirectly to the increasing concentration of atmospheric carbon. The total life cycle energy use of a building is composed of embodied and operating energy. Embodied energy includes all energy required to manufacture and transport building materials, and construct,(More)
Since 2001, Texas has been proactive in initiating clean air and energy efficiency in building policies. The Texas Emissions Reduction Plan legislation (SB 5, 77 Leg., 2001) mandates statewide adoption of energy codes, creates a 5% annual energy savings goal for public facilities in affected counties through 2007 and provides approximately $150 million in(More)
In many states building code officials rely on certified, code-compliant simulations to determine whether or not a residence satisfies the energy code requirements using a performance-path analysis. In the United States, certification of residential code-complaint software is performed by the Residential Energy Services Network (RESNET). Unfortunately,(More)