Hypersizer 6.0 Software

Composites are playing a bigger role in the development of new aircraft, aerospace systems, wind energy, transportation, and marine applications. Critical to this growth is a better understanding of stress, cost, and manufacturability of composite and metallic structures during the design phase. Hypersizer software is important technology to address these engineering issues.



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CAFE Software | Supply Vessel Modelling

CAFE is innovative, user-oriented software for ship design that allows easy modelling of ship structure, loads and boundary conditions. Enhanced FEM modelling is provided through utilization of automatic meshing. CAFE significantly reduces the time required for modelling of marine constructions using interactive planes for modelling, self-adjusting elements, automatic networking elements as well as higher levels of fragmentation of the existing network. The effort of the model development is significantly reduced by simplified man-model interaction and by enhanced interaction between the model elements themselves. CAFE provides quick calculations of masses and position of the structural centre of gravity. CAFE is an afforable tool with flexible purchase conditions, offering high value for money. www.bvbcafe.com http



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Evolution - Selection In Action 6of6

The products of natural, and human, selection are all around us. Humans have transformed wild plants into useful crops by selective breeding. Human selection has also produced pets and other domesticated animals with sizes and shapes very different from their wild ancestors. Controlled genetic crosses can be used to identify and locate the genes responsible for artificial selection in domesticated species. Genetic crosses in maize and dogs, for example, suggest that relatively few genetic changes are needed to dramatically transform the shape and structure of plants and animals. Natural selection in wild populations can also generate amazing diversity in a surprisingly short amount of time. Ocean stickleback fish, for example, colonized numerous freshwater streams and lakes produced by retreating glaciers after the last ice age. Differential survival and reproduction under natural selection have generated dramatic changes in morphology, physiology, and behavior as the fish adapted to different food sources, predators, and water conditions. How does nature convert a marine ancestor into diverse freshwater forms? Once again, genetic studies suggest that major evolutionary changes are controlled by a few key genes. Further study of such genes will provide a molecular portrait of how plants and animals have been transformed by artificial and natural selection. www.hhmi.org http



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