نتایج جستجو برای: energy release rate
تعداد نتایج: 1750353 فیلتر نتایج به سال:
This paper is devoted to the characterization of the energy release rate of a crack which is merely closed, connected, and with density 1/2 at the tip. First, the blow-up limit of the displacement is analyzed, and the convergence to the corresponding positively 1/2-homogenous function in the cracked plane is established. Then, the energy release rate is obtained as the derivative of the elastic...
In the setting of antiplane linearized elasticity, we show the existence of the stress intensity factor and its relation with the energy release rate when the crack path is a C curve. Finally, we show that the energy release rate is continuous with respect to the Hausdorff convergence in a class of admissible cracks.
passive solar systems such as solar chimneys need solar radiation in order to work. therefore, they cannot present stable natural ventilation when solar energy vanishes: to have a more robust and stable condition, solar energy should be stored during the day and released back during the night. phase change materials can save additional thermal energy during the day and release it during the nig...
This work aims at studying the loading rate dependency of mode I delamination growth in CFRPs, using typical fracture toughness analysis through both R-curve and crack tip opening rate. The average SERR is a method data reduction based on energy balance which has been previously introduced to characterize under different types conditions similar manner. In present research, application this was...
One accepted cause that generates low mechanical strength and/or fracture properties is the presence of defects in structure material. Additive Manufacturing does not except this rule, especially powder bed fusion technologies relays on spreading through a blade or roller followed by laser sintering melting. The paper presents experimental investigations polyamide PA2200 samples obtained select...
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