Ansys software with crack6/9/2023 The contact, geometrical, penalty, and spin stiffnesses are taken in consideration. ![]() Crack breathing is simulated at the crack surfaces using con-tact elements. Effect of breathing phenomenon was studied deeply. ![]() The crack is assumed to be open and close simultaneously and then breathing. In this research, dynamic nonlinearity is presented in damaged structure due to presence of a crack. With regard to the breathing phenomena for nonlinear struc-tural systems, very little is known about how the nonlinearities influence the response and the dynamic char-acteristics of cracked structures. Most times, the failure of the structure is related to the dynamic nonlinearity. The un-predictable nonlinearity in the structure appears when damage is inherited. ![]() Nonlinear dynamic response represents the most important studies for structures subjected to a dynamic mo-tion so that it provides the researcher by an excellent information especially at critical design levels.
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