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Table 1 Parameters of artificial displacement field

From: Optimisation Method for Determination of Crack Tip Position Based on Gauss-Newton Iterative Technique

Parameter

\(a_{1}\)

\(a_{2}\)

\(a_{3}\)

\(a_{4}\)

\(a_{5}\)

Value

30

−40

−1200

2600

−100000

Parameter

\(x_{o}\)

\(y_{o}\)

\(T_{x}\)

\(T_{y}\)

\(R\)

Value

700

650

10

10

0.0005