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作者:Bijan Mohammadi
来源:[J].Optimization and Engineering(IF 0.825), 2017, Vol.18 (3), pp.561-585
摘要:The paper addresses the solution of robust moment-based optimization problems after a multipoint reformulation. The first four moments are considered (i.e. mean, variance, skewness and kurtosis) going beyond classical engineering optimization based on the control of the mean and ...
作者:Bijan Mohammadi , Mohammadreza Pourhosseinshahi ...
来源:[J].Theoretical and Applied Fracture Mechanics(IF 0.628), 2020, Vol.107
摘要:Abstract(#br)The aim of this study is to estimate the mode-I critical strain energy release rate ( G Ic ) extracted from a cross-ply laminated composite with 0//90 interface by using the G Ic extracted from a unidirectional laminated composite with 0//0 interface. It is claimed t...
作者:Bijan Mohammadi , Hamed Pakdel
来源:[J].Engineering Fracture Mechanics(IF 1.413), 2018, Vol.190, pp.198-212
摘要:Abstract(#br)A unit cell based method is developed based on variational principles to derive the stress state and effective mechanical properties of angle-ply laminates of type [ θ m ( o ) / θ n ( i ) ] s containing whether mid-ply or outer-ply matrix cracks positioning in a...
作者:Bijan Mohammadi , Babak Fazlali
来源:[J].International Journal of Fatigue(IF 1.976), 2018, Vol.106, pp.11-23
摘要:Abstract(#br)A fatigue damage micro-model is developed for two-phase composite materials. Constitutive law is derived at the level of fibre and matrix and extended for a damaged lamina using the reformulation of Mori-Tanaka model. A new non-dimensional effective local stress base...
作者:Bijan Mohammadi , Babak Fazlali , Davood Salimi-Majd
来源:[J].Composites Part A(IF 2.744), 2017, Vol.93, pp.163-176
摘要:Abstract(#br)To predict the fatigue life of fibrous composites, a CDM model is proposed based on effective average local stresses such that can predict fatigue life of layered composites with an acceptable precision. Three damage variables are defined in the framework of micromec...
作者:Bijan Mohammadi
来源:[J].Computers and Fluids(IF 1.467), 2017, Vol.143, pp.120-133
摘要:Abstract(#br)We aim at quantifying the impact of flow state uncertainties in littoral erosion to provide confidence bounds on deterministic predictions of bottom morphodynamics. Two constructions of the bathymetry standard deviation are discussed. The first construction involves ...
作者:Bijan Mohammadi , Ali Mahmoudi
来源:[J].Theoretical and Applied Fracture Mechanics(IF 0.628), 2018, Vol.95, pp.18-27
摘要:Abstract(#br)In this paper, a new model based on thermodynamic entropy approach is proposed to predict the fatigue life of cross-ply laminates. The basis of the model is that, during fatigue loading, the accumulated entropy up to final failure that is generated because of da...
作者:Hamed Pakdel , Bijan Mohammadi
来源:[J].Composite Structures(IF 2.231), 2018, Vol.188, pp.497-502
摘要:Abstract(#br)An energy based criteria is developed to predict the propagation of mid and outer-ply matrix cracks in laminates of type 0 n / θ m s and θ m / 0 n s with θ = 90 , 75 , 60 subject to uniaxial tensile loading. Numerous specimens with 14 different layups are tested...
作者:Hamed Pakdel , Bijan Mohammadi
来源:[J].Theoretical and Applied Fracture Mechanics(IF 0.628), 2017
摘要:Abstract(#br)An energy based criteria is developed to predict the leading distribution pattern of matrix cracks in the damage mode competition in angle-ply laminates of type θ m 1 / θ n 2 s subject to uniaxial tensile loading. For the first time in the literature, all plausi...
作者:AmirSajjad Khoddami , Davood Salimi-Majd , Bijan Mohammadi
来源:[J].Surface & Coatings Technology(IF 1.941), 2019, Vol.372, pp.173-189
摘要:Abstract(#br)In order to achieve an optimum design of wear-resistant coatings, it is necessary to conduct an efficient approach for determining appropriate protective coating architecture under various erosion conditions. This paper aims to investigate the multiple solid particle...

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