nonlinear material

nonlinear material

[′nän‚lin·ē·ər mə′tir·ē·əl]
(physics)
A material in which some specified influence (such as stress, electric field, or magnetic field) produces a response (such as strain, electric polarization, or magnetization) which is not proportional to the influence.
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Multiscale Designer features include: develop multiscale material models using forward homogenization and inverse optimization technologies, built-in parametric unit cells for unidirectional, woven, chopped, and particulate fiber composites, simulate nonlinear material behavior including ultimate failure at the micro-scale, obtain virtual material allowables supported by test and perform fatigue analysis, efficient plugins to commercial FEA codes OptiStruct, RADIOSS, LS-DYNA, and Abaqus.
His topics are nonlinear material behavior of bridge components, applied loads and stability of steel and steel-concrete composite bridges, design examples, finite element analysis, and examples of finite element models for both steel and steel-concrete composite bridges.
The interaction of intense laser light with a nonlinear material can generate light of a different color.
It is known that nonlinear material properties considering residual stress from aggregate-geogrid interaction are important factors especially in thinly surfaced low volume flexible pavement.
Other implications of the effect include all-optical ultrafast applications, such as waveguides that combine linear media with nonlinear media [7] or all-optical switching devices utilizing nonlinear material [8].
The powerful nonlinear material capabilities in Abaqus allowed us to meet those requirements," stated Cinnamon Larson, Ph.
Abaqus analysis technology is used to perform implicit and explicit finite element analysis, including static, dynamic, impact, and thermal analyses, all powered with robust contact and nonlinear material options, www.
ALGOR software's wide range of simulation capabilities includes: static stress with linear and nonlinear material models; Mechanical Event Simulation (MES) for nonlinear, multi-body dynamics with large-scale motion, large deformation and large strain with body-to-body contact; linear dynamics; fatigue; CFD including steady-state and transient heat transfer, steady and unsteady fluid flow and mass transfer; electrostatics; full multiphysics; and piping.
Note, in this case the stress in the nylon layer may be outside the linear region and the nylon layer must also be treated as a nonlinear material.
For the analysis of temperature fields in specimens during direct electrical heating as well as stability analysis, simulation models were prepared including development of geometrical model, FEM model, definition of nonlinear material properties, initial conditions, boundary conditions and loading for electric, thermal and static problems.

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