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- W4229335930 abstract "Ginger moxibustion has the effect of regulating zang-fu organs and activating qi and blood circulation. When used, ginger paste is required to be close to human skin. Currently, the ginger box used clinically in the hospital can't meet the requirement of large area fitting human skin, and the efficacy of ginger moxibustion is significantly reduced. In this study, a flexible ginger paste box was proposed, which was composed of flexible components polydimethylsiloxane (PDMS), spring and wire netting. The large flexibility of the structure made it fit well with human skin. Finite element method was used to study the fitting degree between ginger paste box and waist soft tissue. Finite element models of flexible ginger paste box and waist soft tissue were established based on Hypermesh and Abaqus software. The equivalent contact area between the flexible ginger paste box and waist was obtained by numerical simulation under different PDMS unilateral thickness, spring wire diameter, wire netting diameter and ginger paste layer thickness. The four parameters were taken as the influencing factors, and the equivalent contact area was taken as the optimization objective. The typical value analysis and variance analysis of S/N were performed by Taguchi method, and the results showed that among the four influencing factors, the wire netting diameter had the largest influence on equivalent contact area and its contribution rate reached 41.98%. The contribution rates of PDMS unilateral thickness, spring wire diameter and ginger paste layer thickness reached 36.48%, 13.97% and 6.50%, respectively. The optimized PDMS unilateral thickness, spring wire diameter, wire netting diameter and ginger paste layer thickness were 1.5, 0.4, 0.15, 35 mm, respectively, and the equivalent contact area was 95.60 cm 2. The optimized flexible ginger paste box with great fitting performance can improve the effect of ginger moxibustion.隔姜灸具有调理脏腑、活气通血的功效,在使用时要求姜蓉贴近人体肌肤。目前,医院临床使用的姜蓉盒无法满足大面积贴合人体肌肤的要求,导致隔姜灸疗效明显降低。本研究提出一种柔性姜蓉盒,由柔性组件聚二甲基硅氧烷(PDMS)、弹簧、铁丝网构成,结构的大柔度特性使其能很好地贴合人体肌肤。通过有限元法研究姜蓉盒与腰部软组织的贴合程度,基于Hypermesh和Abaqus建立柔性姜蓉盒和腰部软组织有限元模型,通过数值仿真研究在不同PDMS单侧厚度、弹簧线径、铁丝网线径、姜蓉铺层厚度下的柔性姜蓉盒与腰部之间的等效接触面积,并以这4个参数作为影响因素,等效接触面积作为优化目标,采用田口法进行信噪比的极差和变异数分析。结果显示,在四个影响因素中,铁丝网线径对等效接触面积影响最大,贡献率达到了41.98%,PDMS单侧厚度、弹簧线径、姜蓉铺层厚度的贡献率分别达到了36.48%、13.97%、6.50%。优化后的PDMS单侧厚度、弹簧线径、铁丝网线径、姜蓉铺层厚度分别为1.5、0.4、0.15、35 mm,等效接触面积为95.60 cm 2。优化后的柔性姜蓉盒具有良好的贴合性能,能够提高隔姜灸的疗效。." @default.
- W4229335930 created "2022-05-09" @default.
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- W4229335930 date "2022-04-25" @default.
- W4229335930 modified "2023-09-28" @default.
- W4229335930 title "[Finite element analysis method and optimization of flexible ginger moxibustion based on Abaqus and Taguchi method]." @default.
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- W4229335930 doi "https://doi.org/10.7507/1001-5515.202105012" @default.
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