Estimation analysis of a defect depth in a concrete based on the adjoint variable method (Numerical experiment assuming observed displacement by the hammering test)
Copyright policy )Estimation analysis of a defect depth in a concrete based on the adjoint variable method (Numerical experiment assuming observed displacement by the hammering test)
In this study, the estimation of a defect depth in concrete is carried out based on the finite element and the adjoint variable methods. As the governing equation, the equation of motion is employed, and the finite element and Newmark’s β methods are applied to discretize the equation in space and time, respectively. The estimation of the response of the displacement at observation point and a defect depth is carried out by using based on the adjoint variable method. In the numerical experiment, the defect depth is estimated using the observed displacement value. Results of numerical experiment and some discussions are shows in this paper.
- National Institute of Technology Indonesia
- Nagaoka University of Technology Japan
- National Institute Of Technology Japan
Engineering machinery, tools, and implements, hammering test, shape estimation analysis, finite element method, TJ1-1570, inverse analysis, Mechanical engineering and machinery, TA213-215, adjoint variable method, estimation of defect depth
Engineering machinery, tools, and implements, hammering test, shape estimation analysis, finite element method, TJ1-1570, inverse analysis, Mechanical engineering and machinery, TA213-215, adjoint variable method, estimation of defect depth
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