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Visualization of force networks in 2D dense granular materials

Jianguo LIU, Qicheng SUN, Feng JIN,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 1, Pages 109-115 doi: 10.1007/s11709-010-0003-8

Abstract: To understand the structure and evolution of force chains, a photoelastic technique was improved forThe interparticle contact force distribution was found a peak around the mean value, a roughly exponentialtail for greater force and a dip toward zero for smaller force.The force chain network around the probe tip was depicted, and the contact angle distribution of particlesin force chains was found to be well aligned in the directions of major principal stress.

Keywords： granular matter force chain multiscale modeling

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Force fluctuations in sheared granular disks

Mingbo YUAN, Qicheng SUN, Feng JIN

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 1, Pages 46-49 doi: 10.1007/s11709-013-0189-7

Abstract: The internal structure established within granular materials, often observed as force chains, is dominantWe experimentally monitored the fluctuations in force on the top plate while slowing the shearing ofthe well-confined disks and keeping the right boundary at a contact-confined force of 0.2 kN.The particle rearrangements were found to correspond to bulk force drops and were observed in a localized

Keywords： granular matter force chain stick and slip

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Modeling limit force capacities of high force to volume lead extrusion dampers

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3, Pages 609-622 doi: 10.1007/s11709-021-0724-x

Abstract: Small volumetric sizes and high force capacities define high-force-to-volume (HF2V) devices, which canHowever, the design of such devices for specific force capacities has proven difficult based on the complexitiesThis study developed upper- and lower-bound force capacity estimates from analytical mechanics basedThe proposed models were validated by comparing the predicted bounds to experimental force capacity data/sub>) pair has a mean lower-bound gap of 36%, meaning the lower bound was 74% of the actual device force

Keywords： extrusion lead dampers upper and lower bound analytical modelling limit force

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Pricing and production strategies in remanufacturing from the perspectives of supply chain: Review and

Frontiers of Engineering Management doi: 10.1007/s42524-023-0251-7

Abstract: literature on pricing and production strategies in remanufacturing from four perspectives of supply chain, namely, government policy, consumer characteristics, relationships among firms, and supply chain structures

Keywords： remanufacturing reverse and closed-loop supply chain circular economy

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Cultivation of aerobic granular sludge in a conventional, continuous flow, completely mixed activated sludge system

Xi CHEN,Linjiang YUAN,Wenjuan LU,Yuyou LI,Pei LIU,Kun NIE

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 2, Pages 324-333 doi: 10.1007/s11783-014-0627-3

Abstract: The microbial community structure of the granules was also analyzed by polymerase chain reaction-denaturingsuggested that aerobic granules could form, if provided with sufficient number of filaments and high shear force

Keywords： aerobic granular sludge completely mixed activated sludge system (CMAS) continuous flow shear force filamentousbacteria polymerase chain reaction-denaturing gradient gel electrophoresis (PCR-DGGE)

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Quality control based on electrode displacement and force in resistance spot welding

Chuntao JI, Lipeng DENG

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 4, Pages 412-417 doi: 10.1007/s11465-010-0114-x

Abstract: The behaviors of electrode displacement and force during spot welding under various conditions, suchAn electrode force peak is observed and believed relevant to the sufficient nugget size.

Keywords： aluminum electrode displacement electrode force nugget size data acquisition

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Modeling of the resilient supply chain system from a perspective of production design changes

Frontiers of Engineering Management Pages 96-106 doi: 10.1007/s42524-022-0235-z

Abstract: Building an effective resilient supply chain system (RSCS) is critical and necessary to reduce the riskof supply chain disruptions in unexpected scenarios such as COVID-19 pandemic and trade wars.To overcome the impact of insufficient raw material supply on the supply chain in mass disruption scenariosof the change impact process is presented to evaluate the resilience of both the product and supply chain

Keywords： resilient supply chain supply chain disruption domain modeling product design changes

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Motion/force transmission indices of parallel manipulators

Xinjun LIU, Chao WU, Fugui XIE

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 1, Pages 89-91 doi: 10.1007/s11465-011-0215-1

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Applications of atomic force microscopy in immunology

Jiping Li, Yuying Liu, Yidong Yuan, Bo Huang

Frontiers of Medicine 2021, Volume 15, Issue 1, Pages 43-52 doi: 10.1007/s11684-020-0769-6

Abstract: The principle of atomic force microscopy (AFM) and its three running modes are introduced for the mechanicalThe peak force tapping mode provides the most delicate and desirable virtues to collect high-resolutionimages of morphology and force curves.

Keywords： cellular mechanics atomic force microscopy neutrophil extracellular trap macrophage phagocytosis pore

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Digitalization for supply chain resilience and robustness: The roles of collaboration and formal contracts

Frontiers of Engineering Management Pages 5-19 doi: 10.1007/s42524-022-0229-x

Abstract: Results show that digitalization has a direct effect on supply chain resilience, and supply chain collaborationbetween digitalization and supply chain robustness.as an organizational factor in managing supply chain disruptions.but weaken the relationship between supply chain collaboration and supply chain resilience.collaboration and provides insights into governing supply chain partners’ behavior.

Keywords： digitalization supply chain resilience robustness collaboration formal contract

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Disruptive technologies for advancing supply chain resilience

Frontiers of Engineering Management 2023, Volume 10, Issue 2, Pages 360-366 doi: 10.1007/s42524-023-0257-1

Abstract: Disruptive technologies provide a new paradigm for supply chain risk management and bring opportunitiesand challenges for the improvement of supply chain resilience (SCRes).The results show that disruptive technologies can provide the supply chain with flexibility, visibility

Keywords： supply chain resilience disruptive technology supply chain risk

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Internet of Things (IoT)–blockchain-enabled pharmaceutical supply chain resilience in the post-pandemic

Frontiers of Engineering Management Pages 82-95 doi: 10.1007/s42524-022-0233-1

Abstract: During the COVID-19 pandemic, the current operating environment of pharmaceutical supply chain (PSC)Although IoT and blockchain have been widely examined in the areas of supply chain and logistics managementThis paper highlights how IoT and blockchain technology can enhance supply chain resilience and provides

Keywords： pharmaceutical supply chain Internet of Things blockchain resilience post-pandemic era

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Non-convex sparse optimization-based impact force identification with limited vibration measurements

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 3, doi: 10.1007/s11465-023-0762-2

Abstract: Impact force identification is important for structure health monitoring especially in applications involvingDifferent from the traditional direct measurement method, the impact force identification technique isAs a typical inverse problem, impact force reconstruction and localization is a challenging task, whichMJX-TeXAtom-ORD">-ADMM is applied to solve the impact forceidentification problem with unknown force locations, which can realize simultaneous impact localization

Keywords： impact force identification inverse problem sparse regularization under-determined condition alternating

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Advancing food supply chain resilience in the post-pandemic era

Frontiers of Engineering Management Pages 107-120 doi: 10.1007/s42524-022-0232-2

Abstract: detected, numerous products must be recalled or abandoned, and both suppliers and retailers in the supply chainsourcing, which, in turn, affect the upstream suppliers and hence the resilience of the whole supply chainThen, we identify the conditions of an all-win situation for food retailer, supplier, supply chain resilience

Keywords： food supply chain blockchain contingent sourcing supply chain resilience