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Relevant bibliographies by topics / Reduced Length Modeling

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Journal articles

Academic literature on the topic 'Reduced Length Modeling'

Author: Grafiati

Published: 25 June 2021

Last updated: 10 February 2022

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Journal articles on the topic "Reduced Length Modeling"

1

Kwon, O., та F. E. Ames. "A Velocity and Length Scale Approach to k–ε Modeling". Journal of Heat Transfer 118, № 4 (1996): 857–63. http://dx.doi.org/10.1115/1.2822581.

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This paper describes a velocity and length scale approach to low-Reynolds-number k–ε modeling, which formulates the eddy viscosity on the normal component of turbulence and a length scale. The normal component of turbulence is modeled based on the dissipation and distance from the wall and is bounded by the isotropic condition. The model accounts for the anisotropy of the dissipation and the reduced length of mixing in the near wall region. The kinetic energy and dissipation rate were computed from the k and ε transport equations of Durbin (1993). The model was tested for a wide range of turbu

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2

Liu, Yujiong, and Pinhas Ben-Tzvi. "Dynamic Modeling, Analysis, and Design Synthesis of a Reduced Complexity Quadruped with a Serpentine Robotic Tail." Integrative and Comparative Biology 61, no. 2 (2021): 464–77. http://dx.doi.org/10.1093/icb/icab083.

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Synopsis Serpentine tail structures are widely observed in the animal kingdom and are thought to help animals to handle various motion tasks. Developing serpentine robotic tails and using them on legged robots has been an attractive idea for robotics. This article presents the theoretical analysis for such a robotic system that consists of a reduced complexity quadruped and a serpentine robotic tail. Dynamic model and motion controller are formulated first. Simulations are then conducted to analyze the tail’s performance on the airborne righting and maneuvering tasks of the quadruped. Using th

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3

Chowdhury, Md Arman, Ahmad Rahmzadeh, Saber Moradi, and M. Shahria Alam. "Feasibility of using reduced length superelastic shape memory alloy strands in post-tensioned steel beam–column connections." Journal of Intelligent Material Systems and Structures 30, no. 2 (2018): 283–307. http://dx.doi.org/10.1177/1045389x18806393.

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Driven by a need to reduce repair costs and downtime in structures following a major earthquake, self-centering systems have been introduced. Post-tensioned high strength steel strands have shown promising results in providing self-centering capability in steel frames, where the beams are compressed to columns. This study aims at investigating the feasibility of using reduced length of steel and shape memory alloy strands in steel beam–column connections. Through finite element modeling, the study first evaluates the effect of using short-length regular post-tensioned strands in steel connecti

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4

Xu, Shi Xian, Yu Zhang, Meng Lan Duan, and Bing Dai. "Three-Dimensional Modeling of Single-Lap Joints with Variable Interfacial Crack Length ." Key Engineering Materials 665 (September 2015): 161–64. http://dx.doi.org/10.4028/www.scientific.net/kem.665.161.

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This paper investigated the performance of single-lap joints with interfacial crack through the finite element method. The finite element method was validated by the G-R solutions at first. And then the influence of geometric parameter of the joint as well as the length of the interfacial crack were discussed. Results showed that the presence of a spew fillet can reduced the stress intensity factors (SIF).The relationship of the crack length ratio and SIF, adhesive thickness ratio and SIF were built.

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5

Yilmaz, Ibrahim, Ece Ayli, and Selin Aradag. "Investigation of the Effects of Length to Depth Ratio on Open Supersonic Cavities Using CFD and Proper Orthogonal Decomposition." Scientific World Journal 2013 (2013): 1–12. http://dx.doi.org/10.1155/2013/810175.

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Simulations of supersonic turbulent flow over an open rectangular cavity are performed to observe the effects of length to depth ratio (L/D) of the cavity on the flow structure. Two-dimensional compressible time-dependent Reynolds-averaged Navier-Stokes equations with k-ωturbulence model are solved. A reduced order modeling approach, Proper Orthogonal Decomposition (POD) method, is used to further analyze the flow. Results are obtained for cavities with severalL/Dratios at a Mach number of 1.5. Mostly, sound pressure levels (SPL) are used for comparison. After a reduced order modeling approach

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6

Anderson, L. S., and R. S. Anderson. "Modeling debris-covered glaciers: extension due to steady debris input." Cryosphere Discussions 9, no. 6 (2015): 6423–70. http://dx.doi.org/10.5194/tcd-9-6423-2015.

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Abstract. Debris-covered glaciers are common in rapidly-eroding alpine landscapes. When thicker than a few centimeters, surface debris suppresses melt rates. If continuous debris cover is present, mass balance gradients can be reduced leading to increases in glacier length. In order to quantify feedbacks in the debris-glacier-climate system, we developed a 2-D long-valley numerical glacier model that includes englacial and supraglacial advection. We ran 120 simulations in which a steady state debris-free glacier responds to a step increase of surface debris deposition. Simulated glaciers advan

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7

Anderson, Leif S., and Robert S. Anderson. "Modeling debris-covered glaciers: response to steady debris deposition." Cryosphere 10, no. 3 (2016): 1105–24. http://dx.doi.org/10.5194/tc-10-1105-2016.

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Abstract. Debris-covered glaciers are common in rapidly eroding alpine landscapes. When thicker than a few centimeters, surface debris suppresses melt rates. If continuous debris cover is present, ablation rates can be significantly reduced leading to increases in glacier length. In order to quantify feedbacks in the debris–glacier–climate system, we developed a 2-D long-valley numerical glacier model that includes englacial and supraglacial debris advection. We ran 120 simulations on a linear bed profile in which a hypothetical steady state debris-free glacier responds to a step increase of s

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8

Mehr, E. H., and H. R. Saba. "Ductility Evaluation of Steel Structures with Reduced Beam Sections and Post-Tensioned Cables Using the Finite Element Method." Engineering, Technology & Applied Science Research 7, no. 6 (2017): 2236–39. http://dx.doi.org/10.48084/etasr.1568.

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Given the importance of structure strengthening, this research introduces a particular type of steel structure in which the reduced beam section and post-tensioned cables were used for creating centralized property and preventing the formation of plastic hinges in the beam and columns. After introducing the system, ABAQUS modeling results are compared with a reliable laboratory sample to check its accuracy. Good convergence was seen which shows the modeling accuracy. The results of the model’s nonlinear static analysis revealed that the above steel structure has higher ductility when compared

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9

Cheng, Fang-Yi, Chin-Fang Lin, Yu-Tzu Wang, Jeng-Lin Tsai, Ben-Jei Tsuang, and Ching-Ho Lin. "Impact of Effective Roughness Length on Mesoscale Meteorological Simulations over Heterogeneous Land Surfaces in Taiwan." Atmosphere 10, no. 12 (2019): 805. http://dx.doi.org/10.3390/atmos10120805.

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The Weather Research and Forecasting (WRF) modeling system obtains the aerodynamic roughness length (z0) from a land use (LU) lookup table. The effective aerodynamic roughness length (z0eff) was estimated for the island of Taiwan by considering the individual roughness lengths (z0i) of the underlying LU types within a modeling grid box. Two z0eff datasets were prepared: one using the z0i from the default LU lookup table and the other using the observed z0i for three LU types (urban, dry cropland and pasture, and irrigated cropland and pasture). The spatial variability of the z0eff distribution

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10

Zhou, Beibei, Xiaopeng Chen, Lijun Su, Hujun Li, Quanjiu Wang, and Wanghai Tao. "Evaluation and modeling of factors influencing the depth of mixing layer in which soil solute releasing from soil to surface runoff." Canadian Journal of Soil Science 101, no. 3 (2021): 415–29. http://dx.doi.org/10.1139/cjss-2020-0141.

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The depth of mixing layer is one of the important parameters which cannot be assigned a constant value affected by many factors in the slope runoff. The objective of this study was to investigate the effect of slope length and underground biomass on slope runoff, solute transport processes, as well as mixing layer depth. In this study, the experimental plots with the four slope lengths (5, 10, 15, and 20 m) and a width of 2 m were built on the slope with the gradient of 20°. In addition, the plots with the millet or wheat planting were built on the slope. The change of runoff and solute transp

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