Abstract

Algorithms required to simulate fracture and contact behaviors of structural members are described in this chapter. These algorithms are key algorithms to simulate collapse behaviors of buildings; however, they may require excessive computational cost if modeled in detail. Therefore, member fracture was considered by applying the shifting process used in the ASI and ASI-Gauss techniques, and contact and release between members were considered by adopting gap elements and its nodal displacement information, to keep the computational cost lower. The member-fracture algorithm, an outline of gap elements, a flow of elemental contact and release, and simple numerical examples are discussed in this chapter.

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