@article{(Open Science Index):https://publications.waset.org/pdf/11253, title = {Comparison of Three Versions of Conjugate Gradient Method in Predicting an Unknown Irregular Boundary Profile}, author = {V. Ghadamyari and F. Samadi and F. Kowsary}, country = {}, institution = {}, abstract = {An inverse geometry problem is solved to predict an unknown irregular boundary profile. The aim is to minimize the objective function, which is the difference between real and computed temperatures, using three different versions of Conjugate Gradient Method. The gradient of the objective function, considered necessary in this method, obtained as a result of solving the adjoint equation. The abilities of three versions of Conjugate Gradient Method in predicting the boundary profile are compared using a numerical algorithm based on the method. The predicted shapes show that due to its convergence rate and accuracy of predicted values, the Powell-Beale version of the method is more effective than the Fletcher-Reeves and Polak –Ribiere versions.}, journal = {International Journal of Mechanical and Mechatronics Engineering}, volume = {7}, number = {1}, year = {2013}, pages = {103 - 108}, ee = {https://publications.waset.org/pdf/11253}, url = {https://publications.waset.org/vol/73}, bibsource = {https://publications.waset.org/}, issn = {eISSN: 1307-6892}, publisher = {World Academy of Science, Engineering and Technology}, index = {Open Science Index 73, 2013}, }