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Towards optimal mixed finite elements for general shell structures
(Massachusetts Institute of Technology, 1999)
Optimal finite elements are available for many engineering applications, such as incompressible media, beam and plate bending problems. However, no existing general shell elements have been shown to satisfy the mathematical ...
Crashworthiness analysis of ultralight metal structures
(Massachusetts Institute of Technology, 1999)
In the design of light weight crashworthy metal structures, thin-walled prismatic components have been widely used in aircraft, high speed trains, fast ships, and automobiles. Two new types of such components are proposed, ...
The influence of alloy composition and interfacial segregants on the fracture and fatigue of metal/ceramic interfaces
(Massachusetts Institute of Technology, 1999)
The use of multi-layered composites in the aircraft, automotive, and electronics industries is becoming more common as performance requirements exceed the capabilities of homogeneous materials. As a result, the need to ...
Soil ingestion by elastomeric seals
(Massachusetts Institute of Technology, 1999)
Studies of elastomeric seal failure have until recently focused on the erosion of the sealing interface. This has limited the improvements in seal life to the application of wear-resistant materials. The present work shows ...