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Compressive behavior and energy absorption of polymeric lattice structures made by additive manufacturing

Sheng WANG, Jun WANG, Yingjie XU, Weihong ZHANG, Jihong ZHU

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 2, Pages 319-327 doi: 10.1007/s11465-019-0549-7

Abstract: Lattice structures have numerous outstanding characteristics, such as light weight, high strength, excellentFour types of lattice structures are considered: (i) Uniform body-centered-cubic (U-BCC); (ii) graded

Keywords： lattice structure polymer compressive behavior additive manufacturing simulation

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Uncertainty of concrete strength in shear and flexural behavior of beams using lattice modeling

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 2, Pages 306-325 doi: 10.1007/s11709-022-0890-5

Abstract: uncertainty and random distribution of concrete strength in beams failing in shear and flexure using latticeCapability of lattice modeling was highlighted as an efficient tool to account for uncertainty in statistical

Keywords： lattice modeling shear failure flexural failure uncertainty deficiency numerical simulation

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Modeling nanostructured catalyst layer in PEMFC and catalyst utilization

Jiejing ZHANG, Pengzhen CAO, Li XU, Yuxin WANG

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3, Pages 297-302 doi: 10.1007/s11705-011-1201-1

Abstract: A lattice model of the nanoscaled catalyst layer structure in proton exchange membrane fuel cells (PEMFCThe model takes into account all the four components in a typical PEMFC catalyst layer: platinum (Pt)The elemental voxels in the lattice were set fine enough so that each average sized Pt particulate in

Keywords： catalyst layer PEM fuel cell lattice model Monte Carlo method catalyst utilization

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Simulation of interfacial Marangoni convection in gas-liquid mass transfer by lattice Boltzmann method

Shuyong CHEN, Xigang YUAN, Bo FU, Kuotsung YU

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 4, Pages 448-454 doi: 10.1007/s11705-011-1142-8

Abstract: In this paper, an approach based on lattice Boltzmann method is established and two perturbation models, fixed perturbation model and self-renewable interface model, are proposed for the simulation of interfacial

Keywords： interfacial Marangoni convection lattice Boltzmann method gas-liquid mass transfer

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slip investigation based on finite element modelling verified by experimental results on wind turbine lattice

Saleh YAGHOOBI, Ahmad SHOOSHTARI

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 3, Pages 341-351 doi: 10.1007/s11709-017-0393-y

Abstract:

Slippage corresponds to the relative displacement of a bolted joint subjected to shear loads since the construction clearance between the bolt shank and the bolthole at assembly can cause joint slip. Deflections of towers with joint slippage effects is up to 1.9 times greater than the displacements obtained by linear analytical methods. In this study, 8 different types of joints are modelled and studied in the finite element program, and the results are verified by the experimental results which have been done in the laboratory. Moreover, several types of joints have been modelled and studied and load-deformation curves have also been presented. Finally, joint slip data for different types of angles, bolt diameter and bolt arrangements are generated. Thereupon, damping ratios (z) for different types of connections are reported. The study can be useful to help in designing of wind turbine towers with a higher level of accuracy and safety.

Keywords： Joint slip cyclic loading Finite element modelling Experimental joint behavior damping ratios (

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URANS simulation of the turbulent flow in tight lattice bundle

Yiqi YU, Yanhua YANG

Frontiers in Energy 2011, Volume 5, Issue 4, Pages 404-411 doi: 10.1007/s11708-011-0165-7

Abstract: The flow structure in tight lattice is still of great interest to nuclear industry.An accurate prediction of flow parameter in subchannels of tight lattice is likable.shear stress, turbulent kinetic energy, turbulent mixing and large scale coherent structure in tight lattice

Keywords： tight rod bundle flow structure unsteady Reynolds averaged Navier Stokes (URANS)

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Robust topology optimization of multi-material lattice structures under material and load uncertainties

Yu-Chin CHAN, Kohei SHINTANI, Wei CHEN

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 2, Pages 141-152 doi: 10.1007/s11465-019-0531-4

Abstract: Enabled by advancements in multi-material additive manufacturing, lightweight lattice structures consistingproposes a density-based robust topology optimization method for meso- or macro-scale multi-material latticeExamples of a cantilever beam lattice structure under various material and load uncertainty cases exhibit

Keywords： robust topology optimization lattice structures multi-material material uncertainty load uncertainty

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Efficient hierarchical identity based encryption scheme in the standard model over lattices Article

Feng-he WANG,Chun-xiao WANG,Zhen-hua LIU

Frontiers of Information Technology & Electronic Engineering 2016, Volume 17, Issue 8, Pages 781-791 doi: 10.1631/FITEE.1500219

Abstract: Using lattice basis delegation in a fixed dimension, we propose an efficient lattice-based hierarchicalidentity based encryption (HIBE) scheme in the standard model whose public key size is only ( ) logimplies that d random public matrices are enough to build the proposed HIBE scheme in the standard model

Keywords： Hierarchical identity based encryption scheme Lattice-based cryptography Standard model Learning with

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Study of Evacuation Jamming Transition in Crossing Exit

Chen Tao,Song Weiguo,Fan Weicheng,Lu Shouxiang

Strategic Study of CAE 2004, Volume 6, Issue 4, Pages 56-60

Abstract: condition of open boundary, pedestrian evacuation dynamics in crossing exit is simulated through the lattice-gasmodel of biased random walkers without back step.

Keywords： evacuation lattice-gas model jamming phase transition fire

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Advances in Numerical Simulation of Demolition Blasting

Xie Xianqi,Liu Jun,Jia Yongsheng,Sun Jinshan

Strategic Study of CAE 2014, Volume 16, Issue 11, Pages 20-27

Abstract: Furthermore, the solid lattice model in the frame of DEM, which was developed by the author together

Keywords： demolition blasting numerical simulation discrete element method solid lattice model

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Fabrication and Mechanical Testing of Ultralight Folded Lattice-Core Sandwich Cylinders Article

Wanxin Li, Qing Zheng, Hualin Fan, Bin Ji

Engineering 2020, Volume 6, Issue 2, Pages 196-204 doi: 10.1016/j.eng.2019.11.008

Abstract: justify">In this research, two novel folded lattice-coreThe lattice core has periodic zigzag corrugations, whose ridges and valleys are directed axially or circumferentiallyA folded lattice core effectively restricts local buckling by reducing the dimension of the local skin

Keywords： Folded lattice-core sandwich cylinder Fabrication Mechanical testing

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Soil arching effect of Lattice-Shaped Diaphragm Wall as bridge foundation

Jiujiang WU, Lingjuan WANG, Qiangong CHENG

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 4, Pages 446-454 doi: 10.1007/s11709-017-0397-7

Abstract: As a new type of bridge foundation, Lattice-Shaped Diaphragm Wall (hereinafter for LSDW) is highly concerned

Keywords： LSDW soil arching PFC^2D shape of soil arching influencing factors

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Multiscale Homogenization Analysis of Alkali–Silica Reaction (ASR) Effect in Concrete Article

Roozbeh Rezakhani, Mohammed Alnaggar, Gianluca Cusatis

Engineering 2019, Volume 5, Issue 6, Pages 1139-1154 doi: 10.1016/j.eng.2019.02.007

Abstract: In this study, ASR damage in concrete is considered within the lattice discrete particle model (LDPM), a mesoscale mechanical model that simulates concrete at the scale of the coarse aggregate pieces.modeled successfully ASR within the LDPM framework and they have calibrated and validated the resulting modelis employed to simulate the macroscale effects of ASR, while ASR-LDPM is utilized as the mesoscale modeldegradation of prisms in compression and four-point bending beams is evaluated by both the mesoscale model

Keywords： Multiscale homogenization Representative volume element Alkali–silica reaction Lattice discrete particlemodel

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Design and applications of morphing aircraft and their structures

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 3, doi: 10.1007/s11465-023-0750-6

Abstract: unmanned aerial vehicles, including additive manufacturing for fabricating complex morphing structures, lattice

Keywords： morphing aircraft additive manufacturing lattice structure smart material flexible structure flexible

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♮-convexity and its applications in operations

Xin CHEN

Frontiers of Engineering Management 2017, Volume 4, Issue 3, Pages 283-294 doi: 10.15302/J-FEM-2017057

Abstract: this paper, we present a survey of key properties of -convexity and some closely related results in latticeillustrate the techniques of applying -convexity through a detailed analysis of a perishable inventory modeland a joint inventory and transshipment control model with random capacities.

Keywords： L^&natur -convexity lattice programming perishable inventory models random capacity