نتایج جستجو برای: surface buildings
تعداد نتایج: 673342 فیلتر نتایج به سال:
It is well known that each compact orientable surface R gives rise to a simplicial complex C(R) playing in the theory of Teichmüller modular groups a role similar to the role of Tits buildings in theories of algebraic and arithmetic groups. In this paper we introduce, for each closed orientable surface S, an analogue of Tits buildings more suitable for investigation of the Torelli group I(S) of...
This paper introduces a displacement mapping algorithm that represents protruded shapes on the surface of an object. Two verticalsurfaces that are perpendicular to the underlying surface are added along the boundary of the polygon surface in order to represent pixels overflowing acrossthe boundary of the polygon surface. The proposed approach can accurately represent the silhouettes of protrude...
Addressing the issue of energy in contemporary Iranian architecture is very important at all stages of planning, design, construction and operation, and the effort to coordinate and interact with the environment is always one of the foundations of sustainable construction. On the other hand, much of the citychr('39')s surface is composed of worn-out areas with high levels of energy consumption....
energy conservation in buildings plays a vital role for sustainable development of societies and nations. although, newer buildings in developing nations are being constructed using energy conservation approach, existing buildings have higher energy demand to meet the desired comfort. excessive energy demand for cooling the built environment is a major problem over most of the arid climatic zon...
This paper is based on a research on the problems of salt attack and rising damp in heritage masonry buildings. Amongst common building defects occurrences in heritage buildings, salt attack and rising damp are considered as the most challenging, particularly in building conservation. Rising damp and salt attack, a worldwide phenomenon, are major causes of decay to masonry materials. Moisture a...
Radon concentration was measured in ground floor of two buildings with moisture controlled sub slab construction and slab on the ground. Results show that radon concentration in ground floor of the building with moisture controlled sub construction is more than 11 times smaller than that of the building with slab on the ground. Also indoor radon concentration in this building is about %41 highe...
Building change detection serves to investigate illegal buildings. Illegal built or removed structures, especially those concealed among gable roofs such as dormers, are difficult to track among potentially millions of buildings. Nevertheless, they can be efficiently located in changed areas. An approach is proposed to automatically detect and classify changes in buildings from two epochs of Ai...
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