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Structural Linear Properties of Metals

Structural Linear Properties of Metals- Probably the most basic and most used material properties are linear properties. Linear properties used in simulation are usually the first step in testing a simulation (looking for flaws in meshes, modeling, constraints, etc), they consist of three to four values that are used as input: Modulus, Poisson’s Ratio, density, and usually some type of yield criterion.

Linear properties are useful when a model undergoes only small strains (stays within the linear portion of the curve). Linear properties can be fleshed out by adding; shear properties, thermal properties, rate effects, and many other properties. Some caution is advised when using linear properties to failure, in that many materials have a component of non-linear behavior prior to yield which cannot always be neglected.

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