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Ziying Zhang^1,*, Chu Li¹, Junwei Zhu¹, Qinghong Wu¹
The International Conference on Computational & Experimental Engineering and Sciences, Vol.31, No.1, pp. 1-1, 2024, DOI:10.32604/icces.2024.010912
Abstract The process of perfusion seeding of cells into a porous scaffold represents a pivotal initial stage in the development of tissue-engineered bones. The rheological behavior of the cell suspension plays a crucial role in influencing the transport and distribution of cells within the scaffold. Currently, there is limited understanding of the non-Newtonian rheology of cell suspensions in complex pores which differs significantly from simple channels or linear shear flow. In this study, we utilize our previously developed mesoscopic model of perfusion cell seeding to investigate the rheological behavior of cell suspensions at the cellular scale. More >

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Minh-Son Pham^1,*
The International Conference on Computational & Experimental Engineering and Sciences, Vol.31, No.1, pp. 1-1, 2024, DOI:10.32604/icces.2024.011053
Abstract Novel properties of meta-materials can be achieved thanks to precisely engineering sophisticated architecture of physical structures (i.e. meta-structuring). However, relying only on the meta-structuring limits possibilities in unlocking new properties, and severely affecting the performance and programmability of meta-materials. In contrast, the metallurgical approach focuses on engineering the natural crystals’ intrinsic microstructure, allowing us to develop metallic alloys with excellent properties and performance beyond what can be obtained by the chemical composition. Recent advances in additive manufacturing (publicly known as 3D printing) enable a precisely metallurgical microstructuring of crystals such as chemical composition, crystal phases More >

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Yifan Zhu^1,2, Fengxiang Xu^1,2,*, Zhen Zou^1,2, Xiaoqiang Niu^1,2
The International Conference on Computational & Experimental Engineering and Sciences, Vol.31, No.1, pp. 1-2, 2024, DOI:10.32604/icces.2024.011085
Abstract Functionally graded lattice structures have garnered significant interest in impact research in recent years as novel structures because of the exceptional properties, including lightweight, high specific strength, and high specific stiffness. Aiming at the problem that the current functionally graded lattice structure incorporates gradient characteristics in the longitudinal or transverse direction, with no research on the diagonal gradient characteristics, this paper proposes a diagonal gradient lattice structure (DGLS) based on the body centered cubic (BCC) lattice structure. The quasi-static compression experiments were carried out on the resin samples manufactured through the photocuring molding technique. Besides,… More >

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Zhen Zou^1,2, Fengxiang Xu^1,2,*, Yifan Zhu^1,2, Xiaoqiang Niu^1,2, Xiao Geng^1,2
The International Conference on Computational & Experimental Engineering and Sciences, Vol.31, No.1, pp. 1-1, 2024, DOI:10.32604/icces.2024.011093
Abstract Honeycomb cored sandwich structures have been attracted extensive attentions attributed to outstanding explosion and impact protection capability. Herein, in order to improve the anti-blast performance of re-entrant honeycombs (RH) cored sandwich panel, the conventional RH is reinforced by introducing catenary in the form of connecting both ends of horizontal cell walls and catenary. The results show that the deformation mode of the reinforced RHs (RRH) becomes more stable and regular compared to RHs, and the energy absorption of classic RHs can be enhanced because the reinforced structures and the improved auxetic deformation are employed simultaneously.… More >

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Weixiang Peng¹, Hortense Le Ferrand^1,2,*
The International Conference on Computational & Experimental Engineering and Sciences, Vol.31, No.1, pp. 1-2, 2024, DOI:10.32604/icces.2024.011119
Abstract Natural structural materials have undergone extensive evolution, resulting in intricate microstructural designs over billions of years. These designs have given rise to a diverse array of hierarchical microstructures that exhibit exceptional performance in terms of strength, resilience, toughness, and adaptability [1]. Among these natural microstructures, the microplatelet-based brick-and-mortar arrangement found in the nacreous layers of seashells has been the subject of extensive study. Additionally, more complex microstructural alignments exist, and these mineral orientations showcase varying properties, such as the shrinkage deformations. Inspired by the observed expansion deformation characteristics in nature, this study delves into the… More >

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Haitao Wu¹, Shenglong Gu^2,*
The International Conference on Computational & Experimental Engineering and Sciences, Vol.31, No.1, pp. 1-2, 2024, DOI:10.32604/icces.2024.011231
Abstract Subglacial water conveyance is the prevalent operational mode for cold-region channels during winter, necessitating the stability of ice covers during flow regulation. The coupling of Weakly Compressible Smoothed Particle Hydrodynamics (WCSPH) and Total Lagrangian Smoothed Particle Hydrodynamics (TLSPH) provides a robust computational framework for addressing the intricate fluid-structure interaction in channel-ice-water systems. This study employs WC-TLSPH to analyze the influence of flow variations on the stability of channel ice covers, determining the range of extreme hydraulic pressure changes sustainable by ice covers of varying widths and thicknesses. Results indicate that flow variations are a significant… More >

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Zifei Meng¹, Pengnan Sun^1,*, Yang Xu¹
The International Conference on Computational & Experimental Engineering and Sciences, Vol.31, No.1, pp. 1-1, 2024, DOI:10.32604/icces.2024.011674
Abstract DNS simulations on incompressible flows with high Reynolds number using meshfree methods remain an enduring challenge to be addressed. In the present work, we attempt to use a high-order SPH scheme (TENO-SPH) to make DNS simulations on high Reynolds number flows. To investigate this, several spatial reconstructions are applied under the Riemann-ALE-SPH framework, and their performances are compared. Particularly, the accuracy of SPH is significantly enhanced by WENO and TENO reconstructions. For free surface flows, we implement a Lagrangian TENO-SPH to reproduce these flows at different Reynolds numbers. More importantly, to make DNS simulations, the More >

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Jiaqin Xu¹, Shuhei Shinzato¹, Shihao Zhang¹, Fan-Shun Meng¹, Shigenobu Ogata^1,*
The International Conference on Computational & Experimental Engineering and Sciences, Vol.31, No.1, pp. 1-2, 2024, DOI:10.32604/icces.2024.011814
Abstract Hydrogen has the potential to be the clean energy solution to achieve the sustainable development goals (SDGs). However, from preparation to utilization, the hydrogen embrittlement can not be neglected. Hydrogen embrittlement occurs as a result of hydrogen affecting dislocations motion and cracks opening. Dislocation motion in hydrogen environment has not been clarified although several mechanisms have been proposed, including the hydrogen enhanced decohesion (HEDE), the hydrogen enhanced macroscopic ductility (HEMP), the hydrogen enhanced local plastic model (HELP), etc. It is essential to comprehend the underlying hydrogen-dislocation interactions that cause embrittlement. Also, dynamics of dislocation motion… More >

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Chen Wang^1,*, Pan Wang¹, Jiazhao Huang¹
The International Conference on Computational & Experimental Engineering and Sciences, Vol.31, No.1, pp. 1-2, 2024, DOI:10.32604/icces.2024.011846
Abstract Industry 4.0 promises to bring significant changes to general additive manufacturing (AM) systems, ushered by the incorporation of digital twin development to capture high-volume data in an integrated and automated way [1]. During this transformation, it is required to develop advanced methods to solve main problems in the large-scale industrial use of AM technology. One of the challenges is how to eliminate or mitigate the structural distortion due to thermal effect during AM processes [2-4]. To reduce the level of distortion, a general hands-on approach is to compensate the geometry based on physical measurements of… More >

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Wenhao Li^1,*, Zongyang Liu^1,2, Dingcheng Ji^1,2, Yiding Liu^3,*
The International Conference on Computational & Experimental Engineering and Sciences, Vol.31, No.1, pp. 1-1, 2024, DOI:10.32604/icces.2024.011927
Abstract This research advances the field by focusing on the damage assessment of adhesively bonded joints using AE, with limited prior studies in this specific area. Through the preparation of CFRP specimens and subsequent tensile loading tests, AE signals were captured and analyzed. The study employed wavelet decomposition for noise reduction and Short-Time Fourier Transform (STFT) for signal analysis, facilitating the identification of damage-related frequencies and amplitudes. Hierarchical clustering was applied to categorize AE signals into distinct damage behaviors, utilizing a divisive approach that avoids local minima and offers unique results at each iteration. The method's… More >

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Qiuxia Fan^1,*, Jianyu Li¹, Xinqi Zhang¹
The International Conference on Computational & Experimental Engineering and Sciences, Vol.31, No.1, pp. 1-1, 2024, DOI:10.32604/icces.2024.012048
Abstract In this paper, a series of smoothed finite element methods for the electromagnetic field distribution of non-contact LVDT are proposed. Firstly, the problem domain is discretized into a set of four-node tetrahedral elements, and the linear shape function is used to interpolate the domain variables. Then, the smooth region is further constructed by combining the nodes, edges and surfaces of the unit. Gradient smoothing technique is used to smooth the magnetic vector potential and scalar potential on each smooth domain. Based on the generalized smooth Galerkin weak form, the discretization system expression is derived and More >

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Lun Zhang¹, Zhongzheng Jiang^1,*, Weifang Chen¹
The International Conference on Computational & Experimental Engineering and Sciences, Vol.31, No.1, pp. 1-1, 2024, DOI:10.32604/icces.2024.012382
Abstract The study of boundary-layer transition and turbulence plays a crucial role in the development and design of high-speed aircrafts. Direct numerical simulation (DNS) is a numerical tool that enables the capture of flow phenomena across all scales, making it highly valuable for investigating the mechanism and process of transition and turbulence. In the DNS community, the prevailing approach involves directly resolving the Navier-Stokes (NS) equations. However, certain high-order effects lie beyond the capabilities of NS models when simulating compressible transition and turbulence under specific circumstances. To address this limitation, we have developed a DNS method… More >

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Fenghui Wang^1,*, Hongye Zhang¹
The International Conference on Computational & Experimental Engineering and Sciences, Vol.31, No.1, pp. 1-1, 2024, DOI:10.32604/icces.2024.012441
Abstract Aqueous zinc batteries have attracted wide interest due to the high safety of the non-flammable electrolyte. However, the inhomogeneous metal plating during the charging and discharging process generates uncontrollable dendrite growth on the anode surface, which seriously threatens the performance and lifetime of the battery. Herein, we provide a physical method to fragment zinc dendrites by using ultrasound to induce cavitation effects in the electrolyte, which can effectively improve the dielectric structure defects inside the battery and reduce the risk of short circuit. The experimental results show that the roughness and height of zinc deposits More >

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Yunya Liu^1,*, Dongliang Shan¹
The International Conference on Computational & Experimental Engineering and Sciences, Vol.31, No.1, pp. 1-1, 2024, DOI:10.32604/icces.2024.012494
Abstract Multi-field coupling affects the evolution of microstructures in smart materials, and also determines the macroscopic performance and application of smart materials. Scanning probe microscopy has emerged as one of the most powerful tools for characterizing and manipulating multi-field coupling responses of smart materials at the nanoscale. In this presentation, I will talk about some new experimental methods developed based on scanning probe microscopy and quantitative analysis, such as local excitation piezoresponse force microscopy method for mechanical properties of multiferroic nanostructures, the high fidelity direct measurement of local electrocaloric effect by scanning thermal microscopy, and the More >

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Wenzhen Li^1,*, Hengzhou Liu¹, Yifu Chen¹, Shuang Gu²
The International Conference on Computational & Experimental Engineering and Sciences, Vol.31, No.1, pp. 1-1, 2024, DOI:10.32604/icces.2024.012577
Abstract Direct electrochemical conversion of CO₂ capture solutions (instead of gaseous CO₂) into valuable chemicals can circumvent the energy-intensive CO₂ regeneration and pressurization steps. While commonly used CO₂ capture agents include alkali and amine solutions, ammonia has been rarely investigated. In another aspect, mismanagement of reactive nitrogen (Nr) in waste has emerged as a major problem in water pollution to our ecosystems, causing severe eutrophication and health concerns. Sustainably recovering Nr [such as nitrate (NO₃⁻)-N] and converting it into green ammonia (NH₃) could mitigate the environmental impacts of Nr and reduce the NH₃ demand from the carbon-intensive Haber-Bosch process, as… More >

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Luxin Liang¹, Bing Wang^1,*
The International Conference on Computational & Experimental Engineering and Sciences, Vol.31, No.1, pp. 1-1, 2024, DOI:10.32604/icces.2024.012682
Abstract Background: Even though the modulatory effects of Mg and its alloys on bone healing cells during the last two decades, relatively limited attention has been paid on their inflammation-modulatory properties. Understanding the activation process of macrophages in response to the dynamic degradation process of Mg as well as the relationship between macrophage phenotypes and their osteogenic potential is critical for the design and development of advanced Mg-based or Mg-incorporated biomaterials.
Methods: In this work, Ti-0.625Mg (wt.%) alloy fabricated by mechanical alloying (MA) and subsequent spark plasma sintering (SPS) was employed as a material model to explore the inflammatory response… More >

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Wei Xia^1,*, Ximao Zhong¹, Jianwei Song¹, Shuling Hu¹, Shengping Shen¹
The International Conference on Computational & Experimental Engineering and Sciences, Vol.31, No.1, pp. 1-1, 2024, DOI:10.32604/icces.2024.012814
Abstract Panel flutter is an aeroelastic phenomenon characterized with thermo-mechanical coupling and geometric nonlinearity. In high speed air vehicles, panel flutter introduces violent vibration of the skin structures and leads to structural failure with fatigue cracks. When functionally graded materials (FGM) are adopted as the thermal isolator on high speed vehicles, the thermo-mechanical performance of skin panels is increased while the panel flutter is affected by the asymmetry. It is of great interest to study the nonlinear phenomenon of FGM panel flutter.
In this work, an aeroelastic model of preheated FGM panels are established. The Mindlin plate… More >

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Mianheng Lai¹, R. Q. Lu¹, Fengming Ren^1,*
The International Conference on Computational & Experimental Engineering and Sciences, Vol.31, No.1, pp. 1-1, 2024, DOI:10.32604/icces.2024.012824
Abstract Coral aggregates have become a promising alternative to natural coarse aggregates in the offshore construction projects. In this paper, seawater sea-sand coral aggregates concrete (SSCAC) with 4 basic materials: cement, seawater, sea-sands and coral aggregates was produced. By adding various minerals fly ash (FA) and limestone powder (LSP) to partially replace cement, the performance of SSCAC can be improved while reducing the carbon dioxide emission. Due to the higher chloride ion content of SSCAC, fiber-reinforced polymer (FRP) was used to confined SSCAC instead of the traditional steel to solve the corrosion problem. This paper conducted More >

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Yen-Jen Lai¹, I-Ling Chang^1,*
The International Conference on Computational & Experimental Engineering and Sciences, Vol.31, No.1, pp. 1-1, 2024, DOI:10.32604/icces.2024.012918
Abstract Biomechanical research reveals that the geometric shapes and dynamic behaviors of organ tissues play a pivotal role in determining their mechanical properties. Recent advancements in time-correlated imaging technologies, such as Computed Tomography (4D-CT) and Magnetic Resonance Imaging (4D-MRI), have enabled the non-invasive capture of both geometric data and dynamic information over time. However, the manual segmentation of these extensive datasets proves to be laborious and expensive. This study introduces an automated workflow designed for image segmentation and classification within 4D-CT scans, with a specific focus on the bone structures surrounding the Trapeziometacarpal (TMC) joint in More >

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Yuhang Li^1,*, Jin Nan¹, Yang Wang¹, Yafei Yin¹
The International Conference on Computational & Experimental Engineering and Sciences, Vol.31, No.1, pp. 1-1, 2024, DOI:10.32604/icces.2024.013412
Abstract As a new type of electronic device, stretchable bio-integrated devices are generally composed of inorganic functional components, stretchable interconnected structures, soft biocompatible substrates and encapsulations, and have wide adaptability to a variety of complex surfaces of soft biological tissues. The small size of functional components, the thin substrate thickness, and poor thermal conductivity can easily lead to thermal burns caused by local temperature concentration in biological tissues. The unique microstructure characteristics and biological thermal characteristics of biological tissues make the heat transfer behavior of integrated devices in biological tissues significantly different from the traditional Fourier… More >

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