Stiffness — is the resistance of an elastic body to deformation by an applied force. It is an extensive material property.DefinitionThe stiffness, k , of a body is a measure of the resistance offered by an elastic body to deformation (bending, stretching or… … Wikipedia
Plastic bending — is a nonlinear behaviour peculiar to members made of ductile materials that frequently achievemuch greater ultimate bending strength than indicated by a linear elastic bending analysis. In both the plastic andelastic bending analyses of a… … Wikipedia
Direct stiffness method — As one of the methods of structural analysis, the direct stiffness method (DSM), also known as the displacement method or matrix stiffness method, is particularly suited for computer automated analysis of complex structures including the… … Wikipedia
Nucleic acid double helix — Double helix redirects here. For other uses, see Double helix (disambiguation). Two complementary regions of nucleic acid molecules will bind and form a double helical structure held together by base pairs. In molecular biology, the term double… … Wikipedia
Composite baseball bat — Composite baseball bats incorporate a recent advancement in the technology of aluminum baseball bats for high school and collegiate players. In general, composite bats are constructed with the same aluminum exterior as standard aluminum baseball… … Wikipedia
Mechanical properties of DNA — The mechanical properties of DNA, which are directly related to its structure, are a significant problem for cells. Every process which binds or reads DNA is able to use or modify the mechanical properties of DNA for purposes of recognition,… … Wikipedia
Composite laminates — In materials science, Composite laminates are assemblies of layers of fibrous composite materials which can be joined to provide required engineering properties, including in plane stiffness, bending stiffness, strength, and coefficient of… … Wikipedia
Material selection — is a step in the process of designing any physical object. In the context of product design, the main goal of material selection is to minimize cost while meeting product performance goals.[1] Systematic selection of the best material for a given … Wikipedia
Sandwich-structured composite — Composite sandwich structure panel used for testing at NASA A sandwich structured composite is a special class of composite materials that is fabricated by attaching two thin but stiff skins to a lightweight but thick core. The core material is… … Wikipedia
Elastic modulus — An elastic modulus, or modulus of elasticity, is the mathematical description of an object or substance s tendency to be deformed elastically (i.e., non permanently) when a force is applied to it. The elastic modulus of an object is defined as… … Wikipedia