نتایج جستجو برای: micromechanics

تعداد نتایج: 1041  

Journal: :علوم و تکنولوژی پلیمر 0
محمود مهرداد شکریه مجید صفرآبادی

the effects of physical, thermal and mechanical parameters on curing microthermal residual stresses are studied, based on the energy method, to present a theoretical solution for prediction of residual stress felds. a fnite element analysis is developed to compare the theoretical and numerical results together. there is found to be a good agreement between the results of the two methods. howeve...

2010
Gunchul Shin Inhwa Jung Viktor Malyarchuk Jizhou Song Shuodao Wang Heung Cho Ko Yonggang Huang Jeong Sook Ha John A. Rogers

The fabrication of a hemispherical electronic-eye camera with optimized designs based upon micromechanical analysis is reported. The photodetector arrays combine layouts with multidevice tiles and extended, non-coplanar interconnects to improve the fill factor and deformability, respectively. Quantitative comparison to micromechanics analysis reveals the key features of these designs. Color ima...

2015
Tatiana Baidyk Ernst Kussul Oleksandr Makeyev Graciela Velasco

Two neural classifiers were developed for image recognition: PCNC (Permutation Coding Neural Classifier) and LIRA (Limited Receptive Area) neural classifiers. These neural classifiers are multipurpose neural classifiers. We applied them in micromechanics. Information about shape and texture of the micro workpiece can be used to improve precision of both assembly and manufacturing processes. The...

Journal: :Journal of Micromechanics and Microengineering 2005

Due to the mismatch of mechanical properties in composite laminates, propagation of delami-nation is considered as a severe damage mechanism in beams with various lay-up configurations. Delamination can be generated due to matrix cracking propagation or it can also be initiated due to the manufacturing process before using composite beams. Using a micromechanics model, this study is aimed to in...

Journal: :Fatigue & Fracture of Engineering Materials & Structures 2023

Abstract Micromechanics‐based continuum damage criteria have previously been developed to simulate the initiation of ductile fracture in structural steels under conditions with large‐scale plasticity where conventional mechanics indices are invalid. Such models combined methods crack growth for monotonic loading. In this study, a micromechanics‐based adaptive cohesive zone model simulating prop...

Journal: :Journal of Engineering Materials and Technology 1994

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