Dynamic characteristics in incompressible hyperelastic cylindrical membranes

Niu, Datian; Yuan, Xiying; Chang-jun, Cheng; Ren, Jiusheng

doi:10.1016/s0894-9166(10)60044-4

Cited by 4 publications

(6 citation statements)

References 14 publications

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“…Growth periods of C. korshinskii could be divided into young age (1-6 a), middle age (6-14 a), and old age (>14 a) (Cheng et al, 2005). Previous research has shown that root depth of C. korshinskii with a growth period of 2-4 a is 1.50-4.00 m (Niu et al, 2003). In the middle and old ages, root distribution depth can reach about 7.00-18.00 m (Hu, 1985;Cheng et al, 2005;Wang et al, 2015).…”

Section: Variations Of Root Pullout Resistance and Plant Traits Of C ...mentioning

confidence: 98%

“…In addition, lateral root number of C. korshinskii with a growth period of 2-4 a is 8-39 (Niu et al, 2003). Therefore, root depth and lateral root number of C. korshinskii increased with increasing growth periods (Niu et al, 2003). The greater the root depth and lateral root number, the greater the interaction area and normal stress between root and soil, and the greater the maximum root pullout resistance (Stokes et al, 1996;Stokes et al, 2009;Ali et al, 2013).…”

Section: Variations Of Root Pullout Resistance and Plant Traits Of C ...mentioning

confidence: 99%

“…korshinskii is a perennial shrub species that is widely distributed on northeastern Qinghai-Tibet Plateau. C. korshinskii has taproot-type roots that consist of a deep taproot and many lateral roots (Niu et al, 2003). C. korshinskii is highly adaptable and is resistant to cold and drought, which is ideal for soil and water conservation, and slope stabilization in cold and arid regions (Hu et al, 2013;Liu et al, 2021).…”

Section: Plant Propertiesmentioning

confidence: 99%

“…In the middle and old ages, root distribution depth can reach about 7.00-18.00 m (Hu, 1985;Cheng et al, 2005;Wang et al, 2015). In addition, lateral root number of C. korshinskii with a growth period of 2-4 a is 8-39 (Niu et al, 2003). Therefore, root depth and lateral root number of C. korshinskii increased with increasing growth periods (Niu et al, 2003).…”

Section: Variations Of Root Pullout Resistance and Plant Traits Of C ...mentioning

confidence: 99%

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Characteristics of root pullout resistance of Caragana korshinskii Kom. in the loess area of northeastern Qinghai-Tibet Plateau, China

Liu

Shi

et al. 2022

J. Arid Land

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Roots exert pullout resistance under pullout force, allowing plants to resist uprooting. However, the pullout resistance characteristics of taproot-type shrub species of different ages remain unclear. In this study, in order to improve our knowledge of pullout resistance characteristics of taproot systems of shrub species, we selected the shrub species Caragana korshinskii Kom. in different growth periods as the research plant and conducted in situ root pullout test. The relationships among the maximum pullout resistance, peak root displacement, shrub growth period, and aboveground growth indices (plant height and plant crown breadth) were analyzed, as well as the mechanical process of uprooting. Pullout resistance of 4-15 year-old C. korshinskii ranged from 2.49 (±0.25) to 14.71 (±4.96) kN, and the peak displacement ranged from 11.77 (±8.61) to 26.50 (±16.09) cm. The maximum pullout resistance and the peak displacement of roots increased as a power function (R 2 =0.9038) and a linear function (R 2 =0.8242) with increasing age, respectively. The maximum pullout resistance and the peak displacement increased with increasing plant height; however, this relationship was not significant. The maximum pullout resistance increased exponentially (R 2 =0.5522) as the crown breadth increased. There was no significant relationship between the peak displacement and crown breadth. The pullout resistance and displacement curve were divided into three stages: the initial nonlinear growth, linear growth, and nonlinear stages. Two modes of failure of a single root occurred when the roots were subjected to vertical loading forces: the synchronous breakage mode and the periderm preferential breakage mode. These findings provide a foundation for further investigation of the soil reinforcement and slope protection mechanisms of this shrub species in the loess area of northeastern Qinghai-Tibet Plateau, China.

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Section: Variations Of Root Pullout Resistance and Plant Traits Of C ...mentioning

confidence: 98%

Section: Variations Of Root Pullout Resistance and Plant Traits Of C ...mentioning

confidence: 99%

Section: Plant Propertiesmentioning

confidence: 99%

Section: Variations Of Root Pullout Resistance and Plant Traits Of C ...mentioning

confidence: 99%

See 2 more Smart Citations

Characteristics of root pullout resistance of Caragana korshinskii Kom. in the loess area of northeastern Qinghai-Tibet Plateau, China

Liu

Shi

et al. 2022

J. Arid Land

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“…Beatty (2007) investigated finite amplitude, free radial oscillations of a thick-walled circular cylindrical tube made of an incompressible, isotropic, homogeneous rubber-like material exhibiting strain stiffening. Niu et al (2010) studied, for different materials models, the dynamic characteristics of a cylindrical membrane made of a transversely isotropic incompressible hyperelastic material under an applied uniform radial constant pressure at its inner surface. To the best of our knowledge, until now the dynamic behaviour of DE tubes has been investigated only in the work by Son and Goulbourne (2010), where a numerical model for the dynamic response of tubular DE membrane is proposed and experimentally validated.…”

Section: Introductionmentioning

confidence: 99%

Nonlinear dynamic response of soft thick-walled electro-active tubes

Bortot

2018

Smart Mater. Struct.

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Soft electro-active tubes are promising electromechanical transducers. Practical applications of such devices involve periodic loading cycles at high frequency and large strains. Hence, the understanding of their dynamic behaviour is important for an effective design. In this work, the dynamic response of soft thick-walled electro-active tubes, subjected to harmonic or suddenly applied constant electric loads, is theoretically studied within the framework of finite elastodynamics.

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Biocrust-induced partitioning of soil water between grass and shrub in a desert steppe of Northwest China

et al. 2023

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Maintaining the stability of exotic sand-binding shrub has become a large challenge in arid and semi-arid grassland ecosystems in northern China. We investigated two kinds of shrublands with different BSCs (biological soil crusts) cover in desert steppe in Northwest China to characterize the water sources of shrub (Caragana intermedia Kuang et H. C. Fu) and grass (Artemisia scoparia Waldst. et Kit.) by stable 18 O isotopic. Our results showed that both shrublands were subject to persistent soil water deficiency from 2012 to 2017, the minimum soil depth with CV (coefficient of variation) <15% and SWC (soil water content) <6% was 1.4 m in shrubland with open areas lacking obvious BSC cover, and 0.8 m in shrubland covered by mature BSCs. For C. intermedia, a considerable proportion of water sources pointed to the surface soil. Water from BSCs contributed to averages 22.9% and 17.6% of the total for C. intermedia and A. scoparia, respectively. C. intermedia might use more water from BSCs in rainy season than dry season, in contrast to A. scoparia. The relationship between shrub (or grass) and soil water by δ 18 O shown significant differences in months, which partly verified the potential trends and relations covered by the high variability of the water source at seasonal scale. More fine roots at 0-5 cm soil layer could be found in the surface soil layer covered by BSCs (8000 cm/m 3 ) than without BSCs (3200 cm/m 3 ), which ensured the possibility of using the surface soil water by C. intermedia. The result implies that even under serious soil water deficiency, C. intermedia can use the surface soil water, leading to the coexistence between C. intermedia and A. scoparia. Different with the result from BSCs in desert areas, the natural withdrawal of artificial C. intermedia from desert steppe will be a long-term process, and the highly competitive relationship between shrubs and grasses also determines that its habitat will be maintained in serious drought state for a long time.

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Dynamic characteristics in incompressible hyperelastic cylindrical membranes

Cited by 4 publications

References 14 publications

Characteristics of root pullout resistance of Caragana korshinskii Kom. in the loess area of northeastern Qinghai-Tibet Plateau, China

Characteristics of root pullout resistance of Caragana korshinskii Kom. in the loess area of northeastern Qinghai-Tibet Plateau, China

Nonlinear dynamic response of soft thick-walled electro-active tubes

Biocrust-induced partitioning of soil water between grass and shrub in a desert steppe of Northwest China

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