[1] Howland RCJ (1929) On the stresses in the neighborhood of circular hole in a strip under tension. Philos Trans Roy Soci 229: 49-86.

[2] Heywood RB (1952) Designing by Photoelasticity.    Chapman and Hall, London.

[3] Muskhelishvili NI  (1962) Some basic problems of mathematical theory of elasticity. 2rd edn. Netherlands,  Noordhooff.

[4] Lekhnitskii SG (1968) Anisotropic  plates. 2rd edn. Gordon and Breach Science Publishers, NewYork.

[5] Savin GN (1961) Stress concentration around holes. Pergamon Press, NewYork. 

[6] Daoust J, Hoa SV (1991) An analytical solution for anisotropic plates containing triangular holes. Com Str 19:107-130.

[7] Abuelfoutouh NM (1993) Preliminary design of  unstiffend composite shells. Symposium of 7th technical Conference of ASC 693-786.

[8] Ukadgaonker VG, Rao DKN (1999) Stress distribution around triangular holes in anisotropic plates. Com Str 45:171-183.       

[9] Batista M (2011) On the stress concentration around hole in an infinite plate  subject to uniform load at infinity. Int J Mech Sci 53:254-261.

[10]  Lei GH, Ng CWW, Rigby DB (2001) Stress and displacement around an  elastic  artificial rectangular hole. J Eng Mech 127: 880-890.

[11] Rezaeepazhand J, Jafari M (2010) Stress concentration in metallic plates with special shaped cutout. Int J Mech Sci 96-102.

[12] Banerjee M , Jain NK, Sanyal S (2013) Stress concentration in isotropic and orthotropic composite plates with center circular hole subjected to transverse static loading. Int J Mech Ind Eng 3: 109-113.

[13] Sharma DS, Patel NP, Panchal KC (2010) Stress distribution around triangular holes  in  orthrotropic plate. Nirm Uun J  ENG TECH 1:56-63.

[14] Woo CW, Chan LW (1992) Boundary collocation   method  for  analyzing perforated plate problems. Eng  Fract Mech 43(5):757-768.

[15] Xu X, Sun L, Fan X (1995) Stress concentration of  finite composite laminates with elliptical hole. Comput Struct 57(1):29-35

[16] Pan Z, Cheng Y, Liu J (2013) Stress analysis of finite plate with a rectangular hole subjected to uniaxial tension using modified stress functions. Int J Mech Sci 75:265-277.

[17] Jafari M, Ardalani E (2016) Stress concentration in finite metallic plates with regular holes. Int J Mech Sci 106:220-230.

[18] Alonso MG, Duysinx p (2013) Particle swarm optimization (PSO): An alternative method for composite optimization, 10th World Congress on Structural and Multidisciplinary Optimization. Orlando. Florida. USA. May 19-24.

[19] Jafari M, Rohani A (2014) Stress distribution parameters optimization of orthotropic plates quasi-square cut out using genetic algorithm.  J So Flu Mech 4(4): 87-99. (In Persian)

[20] Ines Barbosa CJ, Maria Amélia R (2014)  Design of a laminated composite multi-c structure subjected to torsion. 29th Congress of the International Council of the Aeronautical Sciences, St. Petersburg, Russia, September 7-12.

[21] Mahmodzade SA, Jafari M (2015) Optimization of  Influence parameter on isotropic plates  regular polygonal cutouts using particle swarm algorithm. Modares Mech Eng 15(12):243-253. (in Persian)

[22] Mirjalili S (2016)  Dragonfly algorithm: a new meta-heuristic optimization technique for solving single-objective, discrete, and multi-objective problems.  Neural Comput Appl.27(4):1053-1073.