List of Articles همهندسی Open Access Article Abstract Page Full-Text 1 - Determine the stress intensity factor in a plate with a center crack under thermal and mechanical loading using isogeometric method based on the Bezier extraction operator Mohammad Mehdi Shoheib Peyman Yousefi Open Access Article Abstract Page Full-Text 2 - Free vibration and statistic analysis of composite sector spherical shells using isogeometric methodology Ali Hosseinzadeh mohammad reza forouzan younes Alizadeh