# Infinite elements

 Infinite elements: are used in boundary value problems defined in unbounded domains or problems in which the region of interest is small in size compared to the surrounding medium; are usually used in conjunction with finite elements; can have linear behavior only; provide stiffness in static solid continuum analyses; and provide “quiet” boundaries to the finite element model in dynamic analyses. A solid section definition is used to define the section properties of infinite elements. The following topics are discussed:
 Related Topics Infinite element library In Other Guides *SOLID SECTION Creating acoustic infinite sections

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