implicit performance function
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2016 ◽  
Vol 2016 ◽  
pp. 1-12 ◽  
Author(s):  
Gang Wang ◽  
Zhenyue Ma

The current challenge to the engineering profession is to carry out probabilistic methods in practice. The design point method in generalized random space (DPG method) associated with the method of divided difference can be utilized to deal with the complex problem of probability calculation of implicit performance function with nonnormal and correlated variables. For a practical concrete gravity dam, the suggested method is performed to calculate the instability probability of the dam foundation over multiple sliding places. The general conclusions drawn in the paper are identical to those in other research and the method is proved to be feasible, accurate, and efficient. As the same analysis principle, the method can also be used in other similar fields, such as in fields of slopes, earth-rock dams, levees, and embankments.


2011 ◽  
Vol 71-78 ◽  
pp. 1902-1906
Author(s):  
Qing Guang He ◽  
Yong Feng Du

Random response of dissipation structure was obtained by means of pseudo-excitation method, and dynamic reliability was analyzed based on random response analysis. In contract that time-dependent reliability was studied by use of Monte Carlo approach. A numerical solution method with iterative analysis procedure for implicit performance function was applied to carry out the relevant statistical parameters. A 6-storey building as an example was analyzed to compare the two methods about reliability.


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