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RISS 인기검색어
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- 저자 : Chen Ruizhi (검색결과 4 건)
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A quadrilateral mesh generating method using mean value interpolation
Chen Ruizhi,Xi Ping 대한기계학회 2014 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.28 No.2
Although commonly used for meshing, sub-mapping method is frequently bothered by its unstable region segmentation process. Althoughregion segmentation can be avoided with the help of recognized models, the existing algorithms of obtaining recognized modelsare still flawed. In order to obtain accurate recognized models and high meshing quality, a quadrilateral mesh generation method is proposedon basis of mean value interpolation. Firstly, computational coordinates of inner loop vertices are determined by mean value interpolationaccording to regularization result of outer loop. Secondly, under the barycenter superposition principle, surface’s recognizedmodel is obtained by use of regularization result of inner loops. Finally, facial mesh is generated via solving equations. Experiments arecarried out to testify feasibility, advantage and stability of the proposed method. The results manifest that the proposed method is able toguarantee meshing quality and is applicable for quadrilateral mesh generation of multi-loop surfaces.
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BETTER TOGETHER: THE ROLE OF INTERACTIVITY IN ENGAGING SHARING ECONOMY PLATFORM USERS
Ruizhi Yuan,Yanyan Chen,Timo Mandler 글로벌지식마케팅경영학회 2023 Global Marketing Conference Vol.2023 No.07
Engaging customers is a critical requirement for sharing economy platforms (SEPs) to sustain and grow their user base. Although the interactions between users who consume the service (customers) and those who provide it (peer service providers) are the primary source of SEPs’ economic value, little is known about the role of interactivity in driving customer engagement. This research links these two important concepts by theorizing and empirically testing the influence of different dimensions of interactivity (two-way communication, participation, joint problem-solving) on customer engagement (cognitive engagement, emotional engagement, behavioral engagement) in SEPs.
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ENHANCING CUSTOMER EXPERIENCES IN THE AUGMENTED REALITY ERA
Anqi Hu,Ruizhi Yuan,Martin J. Liu,Ruolan Chen 글로벌지식마케팅경영학회 2023 Global Marketing Conference Vol.2023 No.07
In recent years E-commerce platforms recommend some products for consumers based on their shopping history and user persona. However, sometimes, unfamiliar products or styles would be recommended to consumers unintentionally or intentionally. Curiosity drives consumers to try but this idea would be declined with the consideration of product fit uncertainty. Augmented Reality (AR) is the integration of digital information with the user‘s environment in real-time (Hilken et al. 2018), it can deal with issues related to physical apprehension that hinder consumers’ online shopping (i.e, clothes, cosmetics), especially for the unfamiliar style. This study aims to investigate whether AR technology could improve consumers' purchase likelihood. Augmented Reality (AR) can enhance customer experiences in a multichannel environment (Hilken et al. 2017). AR Integrates online experiences into the offline experience (Hilken et al. 2018), such as virtual try-on or magic mirrors. Customers often find it difficult to imagine how firms’ products and services fit them personally or fit with their environment (Hilken et al. 2018). Drawn on AR, consumers can easily evaluate the fitness between themselves and the selected products. Prior studies have explored the different underlying processes of why AR technology could improve consumer purchase intention and customer experience. For instance, according to the situated cognition theory, AR creates a feeling of spatial presence (Hilken et al. 2017). The usage of AR benefits mental imagery, improving decision comfort (Heller et al. 2019). AR can compensate for consumers’ need for touch and offer hedonic and/or utilitarian benefits (Gatter et al. 2022). Based on media richness theory, AR offers more information for customers (Hoffmann et al. 2022), which represents a fitting concept for customers to evaluate the product (Javornik 2016).
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Wei Bangzheng,Zhou Rui,Xu Dang,Chen Ruizhi,Yu Xinxi,Chen Pengqi,Cheng Jigui 한국원자력학회 2022 Nuclear Engineering and Technology Vol.54 No.12
The thermal stress between W plasma-facing material (PFM) and Cu heat sink in fusion reactors can be significantly reduced by using a WeCu functionally graded material (WeCu FGM) interlayer. However, there is still considerable stress at the joining interface between W and WeCu FGM in the W/WeCu FGM/Cu portions. In this work, we fabricate W skeletons with continuous gradients in porosity by a modified sedimentation method. Sintering densification behavior and pore characteristics of the sedimented W skeletons at different sintering temperatures were investigated. After Cu infiltration, the final WeCu FGM was obtained. The results indicate that the pore size and porosity in the W skeleton decrease gradually with the increase of sintering temperature, but the increase of skeleton sintering temperature does not reduce the gradient range of composition distribution of the final prepared WeCu FGM. And WeCu FGM with composition distribution from pure W to W-20.5wt.% Cu layer across the section was successfully obtained. The thickness of the pure W layer is about one-fifth of the whole sample thickness. In addition, the prepared WeCu FGM has a relative density of 94.5 % and thermal conductivity of 185 W/ (m K). The WeCu FGM prepared in this work may provide a good solution to alleviate the thermal stress between W PFM and Cu heat sink in the fusion reactors.
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