Recent advancements in additive manufacturing(AM)have revolutionized the design and production of complex engineering microstructures.Despite these advancements,their mathematical modeling and computational analysis r...Recent advancements in additive manufacturing(AM)have revolutionized the design and production of complex engineering microstructures.Despite these advancements,their mathematical modeling and computational analysis remain significant challenges.This research aims to develop an effective computational method for analyzing the free vibration of functionally graded(FG)microplates under high temperatures while resting on a Pasternak foundation(PF).This formulation leverages a new thirdorder shear deformation theory(new TSDT)for improved accuracy without requiring shear correction factors.Additionally,the modified couple stress theory(MCST)is incorporated to account for sizedependent effects in microplates.The PF is characterized by two parameters including spring stiffness(k_(w))and shear layer stiffness(k_(s)).To validate the proposed method,the results obtained are compared with those of the existing literature.Furthermore,numerical examples explore the influence of various factors on the high-temperature free vibration of FG microplates.These factors include the length scale parameter(l),geometric dimensions,material properties,and the presence of the elastic foundation.The findings significantly enhance our comprehension of the free vibration of FG microplates in high thermal environments.In addition,the findings significantly enhance our comprehension of the free vibration of FG microplates in high thermal environments.In addition,the results of this research will have great potential in military and defense applications such as components of submarines,fighter aircraft,and missiles.展开更多
William Carlos Williams,a poet who has an immense influence on the course of 20th century poetry.whose poems characterized his close attention to nature,friendship and the Chinese Classical Poetry. The Widow’s Lament...William Carlos Williams,a poet who has an immense influence on the course of 20th century poetry.whose poems characterized his close attention to nature,friendship and the Chinese Classical Poetry. The Widow’s Lament in Springtime is not only the representative of imitation of Chinese poetry about boudoir repining school but bringing poetry into natural relation with everyday life.展开更多
先征者男,15岁,毛难族,广西环江县人。血常规正常。其家系25个成员中,2人携带Hb New Yrok复合HbE双重杂合子,9人携带Hb New York,2人携带HbE,均为杂合子。先征者的Hb New York和HbE,基因分别来自其祖父和外祖父。受检者均无临床症状和...先征者男,15岁,毛难族,广西环江县人。血常规正常。其家系25个成员中,2人携带Hb New Yrok复合HbE双重杂合子,9人携带Hb New York,2人携带HbE,均为杂合子。先征者的Hb New York和HbE,基因分别来自其祖父和外祖父。受检者均无临床症状和异常体征。此为国内外首次报道。展开更多
文摘Recent advancements in additive manufacturing(AM)have revolutionized the design and production of complex engineering microstructures.Despite these advancements,their mathematical modeling and computational analysis remain significant challenges.This research aims to develop an effective computational method for analyzing the free vibration of functionally graded(FG)microplates under high temperatures while resting on a Pasternak foundation(PF).This formulation leverages a new thirdorder shear deformation theory(new TSDT)for improved accuracy without requiring shear correction factors.Additionally,the modified couple stress theory(MCST)is incorporated to account for sizedependent effects in microplates.The PF is characterized by two parameters including spring stiffness(k_(w))and shear layer stiffness(k_(s)).To validate the proposed method,the results obtained are compared with those of the existing literature.Furthermore,numerical examples explore the influence of various factors on the high-temperature free vibration of FG microplates.These factors include the length scale parameter(l),geometric dimensions,material properties,and the presence of the elastic foundation.The findings significantly enhance our comprehension of the free vibration of FG microplates in high thermal environments.In addition,the findings significantly enhance our comprehension of the free vibration of FG microplates in high thermal environments.In addition,the results of this research will have great potential in military and defense applications such as components of submarines,fighter aircraft,and missiles.
文摘William Carlos Williams,a poet who has an immense influence on the course of 20th century poetry.whose poems characterized his close attention to nature,friendship and the Chinese Classical Poetry. The Widow’s Lament in Springtime is not only the representative of imitation of Chinese poetry about boudoir repining school but bringing poetry into natural relation with everyday life.
文摘先征者男,15岁,毛难族,广西环江县人。血常规正常。其家系25个成员中,2人携带Hb New Yrok复合HbE双重杂合子,9人携带Hb New York,2人携带HbE,均为杂合子。先征者的Hb New York和HbE,基因分别来自其祖父和外祖父。受检者均无临床症状和异常体征。此为国内外首次报道。