Article
Engineering, Civil
Jianyu Gao, Zhong You
Summary: This paper proposes a novel origami-inspired honeycomb metamaterial design with a self-locking property. Experimental and numerical analyses demonstrate that the designed honeycomb structure reduces peak force, improves load uniformity, and enhances energy absorption capacity. The study illustrates a promising approach to create metamaterials with controllable mechanical properties using the concept of origami.
THIN-WALLED STRUCTURES
(2022)
Article
Engineering, Manufacturing
Qixun Li, Xudong Zhi, Feng Fan
Summary: This paper proposed a novel periodic cellular structure incorporating re-entrant hexagon-shaped honeycombs and Miura origami geometry, manufactured and tested for the first time. The structure showed balanced mechanical properties in three loading directions, with the best bearing direction being in the z-direction. Additionally, it exhibited a notable three-dimensional negative Poisson's ratio effect during compression, with predictive formulas for critical energy absorption indexes derived through theoretical analysis and validated against experimental results.
VIRTUAL AND PHYSICAL PROTOTYPING
(2022)
Article
Engineering, Civil
Qixun Li, Xudong Zhi, Feng Fan
Summary: This study investigated the dynamic crushing behavior of a novel periodic origami-inspired cellular structure through experiments and numerical simulations. The results showed that the structure exhibited a significant negative Poisson's ratio effect and had relatively balanced mechanical properties under impact load. The gradient design was found to effectively improve the energy absorption performance of the structure.
ENGINEERING STRUCTURES
(2022)
Article
Chemistry, Multidisciplinary
Weitao Wang, Peter R. Hayes, Xi Ren, Rebecca E. Taylor
Summary: Cell damage and death in bioengineering applications can be limited by cell encapsulation, which provides essential protection. In this study, researchers cross-linked two layers of DNA nanorods on the cellular plasma membrane to form a modular and programmable nanoshell, targeting the cell-surface glycocalyx. The DNA origami nanoshell modulates the biophysical properties of cell membranes, enhances membrane stiffness, lowers lipid fluidity, and protects cells against mechanical stress, enabling effective and robust multicellular assembly.
Article
Chemistry, Multidisciplinary
Na Li, Haosen Chen, Shuangquan Yang, Heng Yang, Shuqiang Jiao, Wei-Li Song
Summary: Inspired by the rigid and soft features of chemical molecular structures, novel bidirectional flexible snake-origami lithium-ion batteries are designed and fabricated, demonstrating a record-setting energy density and favorable flexibility. The design principle of utilizing rigid-soft-coupled structure for enduring various deformations in batteries is established, offering a new reliable strategy for achieving high energy flexible batteries for wearable devices.
Article
Engineering, Marine
Qingchao Xia, Hong Li, Nan Song, Zeliang Wu, Xiang Wang, Xu Sun, Sheng Zhang, Canjun Yang
Summary: In this research, innovative structures including high-flexible origami technology and knitting methods for the fishtail design have been introduced to overcome the disadvantages of hydraulic drive in traditional bionic fish. Experimental results show that the origami-structured fishtail can save up to 92.3% energy compared with the traditional fishtail, and the novel hybrid neutral layer can save up to 56.7% energy compared to the fishtail with a rigid neutral layer. The fabricated bionic fish with the innovative fishtail demonstrates good straight-line swimming direction and turning ability, providing an important reference for bionic design to mimic real fish.
Article
Mechanics
Shizhao Ming, Zhibo Song, Caihua Zhou, Kaifan Du, Chenghao Teng, Yan Wang, Shengli Xu, Bo Wang
Summary: By applying origami patterns to the ends of metal/CFRP hybrid tubes, the diamond mode deformation can be triggered to improve crashworthiness performance, while keeping the CFRP tube straight to simplify the manufacturing process. This design significantly enhances the Specific Energy Absorption (SEA) and Crush Force Efficiency (CFE) compared to conventional metal tubes and CFRP tubes.
COMPOSITE STRUCTURES
(2022)
Article
Engineering, Civil
Zhibo Song, Shizhao Ming, Kaifan Du, Caihua Zhou, Yan Wang, Shengli Xu, Bo Wang
Summary: Metal origami tubes have been studied extensively as energy absorption devices. In axial crushing experiments of composite origami tubes, it was observed that the origami pattern was unable to trigger the high-performance diamond mode (DM). Therefore, in this research, a metal origami tube is introduced on the outside of the composite origami tube to force deformation and generate more traveling hinge lines, resulting in improved energy absorption.
THIN-WALLED STRUCTURES
(2022)
Article
Engineering, Marine
Ning Zhang, Sen Li, Baojiang Sun, Chloe Huang, Kevin Huang, Yuyang Zeng, Chengcheng Liu
Summary: This paper presents a new stress calculation method for flexible structures, focusing on tensile armors, and applies it to flexible riser fatigue analysis. The method is based on a 3-dimensional curved bar theory and includes the description of the armor center line, derivation of tensile and bending stiffness, and the stress calculation formula. Benchmarking and application results show the validity and effectiveness of this method.
JOURNAL OF MARINE SCIENCE AND ENGINEERING
(2023)
Article
Engineering, Civil
Zhen-Yu Li, Xin-Tao Wang, Li Ma, Lin-Zhi Wu, Lifeng Wang
Summary: The mechanical properties of stacked origami structures can be improved by introducing fiber reinforced composites. In this study, composite stacked origami structures with different stacking angles and thickness of origami sheets are designed and fabricated using a hot molding process. Finite element simulation and experimental compression tests are conducted to investigate their mechanical properties and auxetic characteristics. The effects of origami sheets thickness and stacking angles on the in-plane and out-of-plane auxetic characteristics of the structure are discussed. The failure modes of the structures during compression are analyzed, and their energy absorption capacity is compared with other honeycomb materials.
THIN-WALLED STRUCTURES
(2023)
Article
Engineering, Civil
Mojtaba Moshtaghzadeh, Ehsan Izadpanahi, Pezhman Mardanpour
Summary: This paper conducts a thorough mechanical analysis of a foldable origami helical antenna using the Kresling pattern, predicting the fatigue life and studying the effects of design parameters on it. The study shows that a structure with a length ratio of 1.9 has the highest life cycles, while creases design plays a significant role in the fatigue life and folding behavior.
ENGINEERING STRUCTURES
(2022)
Article
Instruments & Instrumentation
Pingting Jiang, Tianxi Jiang, Qingbo He
Summary: This study introduces a novel sound absorber based on micro-perforated resonators, which can be easily tuned using origami process under deep sub-wavelength thickness. The absorber can effectively absorb low-frequency noises and broaden the sound absorption bandwidth.
SMART MATERIALS AND STRUCTURES
(2021)
Article
Engineering, Civil
Mojtaba Moshtaghzadeh, Ali Bakhtiari, Ehsan Izadpanahi, Pezhman Mardanpour
Summary: In this paper, a comprehensive fatigue analysis of a foldable origami helical antenna is presented using Finite Element Method (FEM) and Artificial Neural Network (ANN). The study investigates the effect of design parameters on fatigue life and proposes a method to reduce computational cost. The results show that increasing the radius of the circumscribed circle and reducing the structure's thickness improve fatigue life.
THIN-WALLED STRUCTURES
(2022)
Article
Engineering, Civil
Dian Zhang, A. K. Qin, Shirley Shen, Adrian Trinchi, Guoxing Lu
Summary: Origami-inspired metamaterials are applied in science and engineering due to their unique mechanical characteristics. The folding process of origami structures is complex and traditional solutions cannot accurately reflect it. This study proposes a new data-driven framework, CTGAN, for predicting the energy absorption properties of origami structures based on a small number of samples, overcoming the limitations of machine learning methods in origami structure analysis.
THIN-WALLED STRUCTURES
(2023)
Article
Engineering, Mechanical
Zhongyuan Wo, Julia M. Raneses, Evgueni T. Filipov
Summary: Energy absorption devices are important for mitigating damage from collisions and impact loads. This study presents a deployable design concept using origami tubes to absorb energy through crushing. The results show that the energy-absorbing performance of the deployed origami tubes is slightly better than conventional prismatic tubes. Furthermore, the geometric design of the tube can control the relationship between energy absorption and deployment, and the origami tubes have the potential for self-locking after deployment.
JOURNAL OF MECHANISMS AND ROBOTICS-TRANSACTIONS OF THE ASME
(2022)
Article
Mechanics
Hairui Wang, Chen Wei, Yao Zhang, Yinji Ma, Ying Chen, Heling Wang, Xue Feng
Summary: The real-time characterization of thin film properties is significant for understanding the behavior of film material during different processes. This study proposes a method of deterministic mechanical buckling to rapidly switch the vibrational structure of thin film, partially solving the problem of determining thin film properties. By optimizing the film pattern, a simple and effective characterization of thin film modulus and density can be achieved.
JOURNAL OF APPLIED MECHANICS-TRANSACTIONS OF THE ASME
(2022)
Article
Computer Science, Information Systems
Gang Wang, Yingyun Yang, Siyu Chen, Ji Fu, Dong Wu, Aiming Yang, Yinji Ma, Xue Feng
Summary: This paper designs a flexible dual-channel digital auscultation patch with active noise reduction to accurately record bowel sounds. Feature parameters of bowel sounds are extracted using a time-frequency analysis algorithm, and the localization of bowel sounds on the abdomen is achieved. Experimental results demonstrate the importance of continuous monitoring of bowel sounds for postoperative patients.
IEEE JOURNAL OF BIOMEDICAL AND HEALTH INFORMATICS
(2022)
Article
Materials Science, Multidisciplinary
Yingchao Li, Jinyang Wang, Jinsong Zhang, Yunlong Tang, Xue Feng
Summary: In this study, an optical observation system was used to visualize the variation of the gap width between heterostructure materials in arc-heated wind tunnel test. A one-dimensional unsteady thermodynamic model was established to reveal the gap evolution mechanism of heterostructure materials. The experimental and numerical simulation results showed that thermal conduction and thermal expansion play a critical role in the evolution of the gap width.
MECHANICS OF MATERIALS
(2023)
Article
Biochemistry & Molecular Biology
Leheng Liu, Jingxian Xu, Xianjun Xu, Tiancheng Mao, Wenlu Niu, Xiaowan Wu, Lungen Lu, Hui Zhou
Summary: High-fat exposure can disrupt the function of intestinal stem cells and impair intestinal barrier function. The study found that deoxycholic acid (DCA) produced in response to a high-fat diet affects aryl hydrocarbon receptor (AHR) signaling and the differentiation function of intestinal stem cells. Supplementing with AHR ligands may provide a new therapeutic target for high-fat diet-related impaired intestinal barrier function.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2022)
Article
Oncology
Leheng Liu, Zhixia Dong, Jinnian Cheng, Xiongzhu Bu, Kaili Qiu, Chuan Yang, Jing Wang, Wenlu Niu, Xiaowan Wu, Jingxian Xu, Tiancheng Mao, Lungen Lu, Xinjian Wan, Hui Zhou
Summary: This study aimed to develop a deep learning-based computer-aided diagnosis (CAD) system for the diagnosis and segmentation of gastric neoplastic lesions (GNLs), which can assist endoscopists in accurately diagnosing and delineating the extent of GNLs, improving the positive rate of lesion biopsy and ensuring the integrity of endoscopic resection.
FRONTIERS IN ONCOLOGY
(2023)
Article
Chemistry, Multidisciplinary
Zijian An, QiQi Fu, Jingjiang Lv, Tao Zhou, Yue Wu, Yanli Lu, Guang Liu, Zhenghan Shi, Xin li, Fenni Zhang, Qingjun Liu
Summary: Self-power wearable electronics have the potential to overcome battery limitations through harvesting energy from the environment or the human body. This study presents a wireless monitoring system driven entirely by body heat, utilizing a stretchable TEG to optimize power density and enable continuous operation of wireless wearable devices. The system demonstrates real-time monitoring of heart rate, sweat ingredients, and body motion. This advancement in self-powered wearable electronics marks a significant step towards wireless real-time health monitoring.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Xindong Wang, Ji Fu, Chang Jiang, Xiaohui Liao, Yiju Chen, Tao Jia, Guanying Chen, Xue Feng
Summary: New monitoring modes are developed through specific probes and implantable devices, enabling real-time monitoring and long-term monitoring. Near-infrared dye-sensitized upconversion nanoparticles are used as luminescent probes, with the specificity to reactive oxygen species regulated by self-assembled monolayers. Combined with a passive implanted system, a 20-day monitoring of H2O2 in an ovarian cancer rat model with peritoneal metastasis is achieved, overcoming the limitations of light penetration depth and toxicity of nano-probes. The developed monitoring modes have great potential in accelerating the clinical transformation of nano-probes and biochemical detection methods.
ADVANCED MATERIALS
(2023)
Article
Construction & Building Technology
Jingxian Xu, Guilin Chen, Xinxin Wang, Zhong Chen, Jinjin Wang, Yehu Lu
Summary: Wearing a liquid cooling garment (LCG) improves the thermal comfort of pilots in hot environments. A novel LCG with a horizontal-vertical combined tube was proposed for optimal cooling performance. Human trials showed that wearing the novel LCG significantly reduced skin temperature and improved thermal sensation and heat stress level of pilots. These findings provide guidance for designing personal LCG to enhance comfort and safety in hot cockpits.
Article
Instruments & Instrumentation
Mengjiao Pan, Lijun Wang, Yehu Lu, Jingxian Xu, Suyan Liu
Summary: Developing fabrics with enhanced thermal protection is a cutting-edge topic in thermal protective clothing for workers. Researchers prepared temperature-responsive NiTi shape memory alloy filaments that transform into a sinusoid form under high temperature. By incorporating these filaments into various composite fabrics and traditional TPC fabric systems, they created a smart fabric system with adaptive structure. Thermal protective performance tests showed that the addition of these fabrics significantly slowed down the rise of skin surface temperature and prolonged the time to the first-degree burn. This study inspires the engineering of composite fabrics with enhanced thermal protection and advances the development of smart technology in textile engineering.
SMART MATERIALS AND STRUCTURES
(2023)
Article
Medicine, Research & Experimental
Qiang Zheng, Yinxiu Han, Min Fan, Xinran Gao, Mengdie Ma, Jingxian Xu, Sen Liu, Jinfang Ge
Summary: This study aimed to investigate the role of TREM2 in neurotoxicity induced by high cholesterol levels. SH-SY5Y cells were stimulated with different concentrations of cholesterol, and the effects on cell viability, morphology, cell cycle distribution, and lipid deposition were assessed. mRNA and protein expression levels of SRBEP-1, SRBEP-2, BDNF, Copine-6, TREM1, and key molecules of the Wnt signaling pathways were measured. Overexpression of TREM2 was also investigated. The results showed that high cholesterol levels induced cell injury, lipid deposition, and imbalanced expression of TREM2.
EXPERIMENTAL AND THERAPEUTIC MEDICINE
(2023)
Article
Engineering, Biomedical
Jingxian Xu, Bin Yang, Jilie Kong, Yongjun Zhang, Xueen Fang
Summary: In this study, a functional carbon nanotube biointerface-based wearable microneedle patches for real-time monitoring of a cytokine storm in vivo via electrochemical analysis are reported. The patch is capable of real-time measurement of protein markers in interstitial fluid, offering a promising route for real-time biomolecule wearables construction.
ADVANCED HEALTHCARE MATERIALS
(2023)
Article
Psychology, Multidisciplinary
Jingxian Xu, Xiyu Guo, Mengying Liu, Hui Xu, Jianping Huang
Summary: Sonic seasoning refers to the influence of music on consumers' taste experiences. Self-construal, on the other hand, refers to how individuals perceive and interpret themselves. This study explores the moderating effect of self-construal priming and the impact of emotional music on taste, providing evidence for enhancing people's eating experience and enjoyment of food.
FRONTIERS IN PSYCHOLOGY
(2023)
Article
Multidisciplinary Sciences
Zhao Pan, Qi-Qi Fu, Mo-Han Wang, Huai-Ling Gao, Liang Dong, Pu Zhou, Dong-Dong Cheng, Ying Chen, Duo-Hong Zou, Jia-Cai He, Xue Feng, Shu-Hong Yu
Summary: In this study, a new type of nanohesives was designed to achieve rapid and robust hydrogel adhesion by modulating hydrogel mechanics and surface chemical activation of nanoparticles. The nanohesives can adhere to various surfaces without surface pre-treatment and show promising applications in hydrogel-based engineering, such as ensuring accurate and stable blood flow monitoring between dynamic tissues and sensors. The nanohesives possess biocompatibility and inherent antimicrobial properties, further enhancing their potential in the field.
NATURE COMMUNICATIONS
(2023)
Article
Chemistry, Physical
Qi-Qi Fu, Hui-Hui Li, Liang Xu, Yu-Da Li, Shu-Hong Yu
Summary: This study presents an in situ electrochemical post-treatment technique to rebuild a highly crystalline and stable multilayered Pd-skin structure on Pd47Cu53 nanotubes, which greatly enhances the catalytic stability of the nanotubes.
Article
Automation & Control Systems
Yafeng Liu, Shaowei Cui, Junhang Wei, Haibo Li, Jingyi Hu, Siyu Chen, Yin Chen, Yinji Ma, Shuo Wang, Xue Feng
Summary: The flexible tactile sensor developed in this study shows good linearity and superior cycling stability for accurate measurement of force magnitude and direction. Integrated onto a manipulator, it enables delicate and dexterous tasks such as pressure detection, interaction with fragile objects, and roughness identification. Furthermore, intelligent recognition of sliding and stationary states is achieved through decoding friction signals for real-time and precise adjustment of grasping state.
ADVANCED INTELLIGENT SYSTEMS
(2022)
Article
Engineering, Mechanical
Rosaria Del Toro, Maria Laura De Bellis, Marcello Vasta, Andrea Bacigalupo
Summary: This article presents a multifield asymptotic homogenization scheme for analyzing Bloch wave propagation in non-standard thermoelastic periodic materials. The proposed method derives microscale field equations, solves recursive differential problems within the unit cell, establishes a down-scaling relation, and obtains average field equations. The effectiveness of this approach is validated by comparing dispersion curves with those from the Floquet-Bloch theory.
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES
(2024)
Article
Engineering, Mechanical
Yue Bao, Zhengcheng Yao, Yue Zhang, Xueman Hu, Xiandong Liu, Yingchun Shan, Tian He
Summary: This paper proposes a novel triple-gradient phononic acoustic black hole (ABH) beam that strategically manipulates multiple gradients to enhance its performance. The study reveals that the ABH effect is not solely brought about by the thickness gradient, but also extends to the power-law gradients in density and modulus. The synergistic development of three different gradient effects leads to more pronounced and broader bandgaps in PCs.
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES
(2024)
Article
Engineering, Mechanical
Matthias Ryser, Jason Steffen, Bekim Berisha, Markus Bambach
Summary: This study investigates the feasibility of replacing complex experiments with multiple simpler ones to determine the anisotropic yielding behavior of sheet metal. The results show that parameter identifiability and accuracy can be achieved by combining multiple specimen geometries and orientations, enhancing the understanding of the yield behavior.
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES
(2024)
Article
Engineering, Mechanical
Wenjun Li, Pengfei Zhang, Siyong Yang, Shenling Cai, Kai Feng
Summary: This study presents a novel two-dimensional non-contact platform based on Near-field Acoustic Levitation (NFAL), which can realize both one-dimensional and two-dimensional transportation. Numerical and experimental results prove the feasibility and ease of this method.
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES
(2024)
Article
Engineering, Mechanical
Shuo Liu, Lu Che, Guodong Fang, Jun Liang
Summary: This study presents a novel lamina conjugated bond-based peridynamic (BB-PD) model that overcomes the limitations of material properties and is applicable to composite laminates with different stacking sequences. The accuracy and applicability of the model are validated through simulations of elastic deformation and progressive damage behavior, providing an explanation of the damage modes and failure mechanisms of laminated composite materials subjected to uniaxial loading.
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES
(2024)
Article
Engineering, Mechanical
Omar El-Khatib, S. Kumar, Wesley J. Cantwell, Andreas Schiffer
Summary: Sandwich-structured honeycombs (SSHCs) are hierarchical structures with enhanced mass-specific properties. A model capable of predicting the elastic properties of hexagonal SSHCs is presented, showing superior in-plane elastic and shear moduli compared to traditional honeycombs, while the out-of-plane shear moduli are reduced.
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES
(2024)
Article
Engineering, Mechanical
Zhi-Jian Li, Hong-Liang Dai, Yuan Yao, Jing-Ling Liu
Summary: This paper proposes a process-performance prediction model for estimating the yield strength and ultimate tensile strength of metallic parts fabricated by powder bed fusion additive manufacturing. The effect of main process variables on the mechanical performance of printed metallic parts is analyzed and the results can serve as a guideline for improvement. The accuracy of the proposed model is validated by comparison with literature.
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES
(2024)
Article
Engineering, Mechanical
Saman A. Bapir, Kawa M. A. Manmi, Rostam K. Saeed, Abdolrahman Dadvand
Summary: This study numerically investigates the behavior of an ultrasonically driven gas bubble between two parallel rigid circular walls with a cylindrical micro-indentation in one wall. The primary objective is to determine the conditions that facilitate the removal of particulate contamination from the indentation using the bubble jet. The study found that the bubble jet can effectively remove contamination from the indentation for certain ranges of indentation diameter, but becomes less effective for larger indentation diameters.
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES
(2024)
Article
Engineering, Mechanical
E. Polyzos, E. Vereroudakis, S. Malefaki, D. Vlassopoulos, D. Van Hemelrijck, L. Pyl
Summary: This research investigates the elastic and damage characteristics of individual composite beads used in 3D printed composites. A new analytical probabilistic progressive damage model (PPDM) is introduced to capture the elastic and damage attributes of these beads. Experimental results show strong agreement with the model in terms of elastic behavior and ultimate strength and strain.
INTERNATIONAL JOURNAL OF MECHANICAL SCIENCES
(2024)