Different contact patterns for two ellipsoids.

Different contact patterns for two ellipsoids.

<div><p>Particle morphology and size are fundamental characteristics that significantly influence the mechanical behavior of granular materials. This study introduces key parameters—aspect ratio (Ω), sphericity (S), and equivalent diameter (Dₑ)—into a modified Hertz-based contact model t...

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Λεπτομέρειες βιβλιογραφικής εγγραφής
Κύριος συγγραφέας:	Yongfeng Zhu (7361045) (author)
Άλλοι συγγραφείς:	Wei Xiong (58411) (author), Wen Fan (586570) (author)
Έκδοση:	2025
Θέματα:	Biophysics Cell Biology Molecular Biology Biotechnology Evolutionary Biology Developmental Biology Environmental Sciences not elsewhere classified Biological Sciences not elsewhere classified varied contact patterns exhibited complex dependencies discrete elemental analysis discrete element method based contact model 82 &# 8201 78 &# 8201 20 &# 8211 triaxial compression simulations modified contact model larger equivalent diameters aspect ratio decreased sphericity decreased numerical simulations modified hertz equivalent diameter theoretical predictions significantly influence sample scale peak stress morphology due mechanical behavior granular materials fundamental characteristics findings enhance dem ).
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Παρόμοια τεκμήρια

Two ellipsoidal particles in contact.
ανά: Yongfeng Zhu (7361045)
Έκδοση: (2025)

Numerical samples composed of elongated ellipsoids before and after triaxial compression.
ανά: Yongfeng Zhu (7361045)
Έκδοση: (2025)

Different ellipsoidal particles with De = 6.30 mm used in the discrete element simulations.
ανά: Yongfeng Zhu (7361045)
Έκδοση: (2025)

The CDF of normal and tangential contact forces in numerical specimens after compression considering different particle morphologies: (a) normal contact force; (b) tangential contact force; and different particle sizes: (c) normal contact force; (d) tangential contact force.
ανά: Yongfeng Zhu (7361045)
Έκδοση: (2025)

Deviatoric stress-strain curves of numerical samples composed of elongated ellipsoids with different particle morphologies and particle sizes.
ανά: Yongfeng Zhu (7361045)
Έκδοση: (2025)

The force chain distributions of different numerical samples composed of elongated ellipsoids with different particle morphologies and particle sizes before shearing and after loading.
ανά: Yongfeng Zhu (7361045)
Έκδοση: (2025)

Average contact force and percentage of strong contact force under different conditions: (a) different particle shapes, (b) different particle sizes.
ανά: Yongfeng Zhu (7361045)
Έκδοση: (2025)

The normal force between two particles with different equivalent diameters for P3: (a) hertznormal contact force; (b) normal viscous contact force.
ανά: Yongfeng Zhu (7361045)
Έκδοση: (2025)

The tangential force between two particles with different equivalent diameters for P3: (a) elastic tangential contact force; (b) viscous tangential contact force.
ανά: Yongfeng Zhu (7361045)
Έκδοση: (2025)

Comparative analysis of the proposed modified contact model against previous approaches.
ανά: Yongfeng Zhu (7361045)
Έκδοση: (2025)

The tangential force between two particles with different aspect ratios and sphericities for De = 6.30 mm: (a) elastic tangential contact force; (b) viscous tangential contact force.
ανά: Yongfeng Zhu (7361045)
Έκδοση: (2025)

The normal force between two particles with De = 6.30 mm for different aspect ratios and sphericities: (a) hertz normal contact force; (b) normal viscous contact force.
ανά: Yongfeng Zhu (7361045)
Έκδοση: (2025)

Stress concentration factor value in the numerical samples with different shapes and sizes.
ανά: Yongfeng Zhu (7361045)
Έκδοση: (2025)

Critical state parameters obtained from DEM simulations.
ανά: Yongfeng Zhu (7361045)
Έκδοση: (2025)

Parameters used in the simulations.
ανά: Yongfeng Zhu (7361045)
Έκδοση: (2025)

Fabric anisotropy evolution of numerical samples with different shapes and sizes.
ανά: Yongfeng Zhu (7361045)
Έκδοση: (2025)

Data Sheet 1_Evaluation of the epidemiological and economic impact of the ADLIFE intervention on medium- to long-term in patients with advanced chronic disease.pdf
ανά: Igor Larrañaga (5434382)
Έκδοση: (2025)

The factors affecting the adsorption. (a) Effect of contact time on MB removal efficiency by the Fe₃O₄/PS adsorbent. Part (b) the changes in the adsorption capacity of MB over time at pH 7.
ανά: Tamer S. Saleh (5181146)
Έκδοση: (2025)

Show the BET N2 adsorption/desorption isotherm for calculating the surface area of Fe<sub>3</sub>O<sub>4</sub> (a), and the XRD pattern of Fe<sub>3</sub>O<sub>4</sub> (b).
ανά: Tamer S. Saleh (5181146)
Έκδοση: (2025)

Adsorption kinetics and isotherms. (a) The influence of MB equilibrium concentration on the adsorption capacity of the Fe₃O₄/PS adsorbent, (b & c) present the Freundlich and Sips isotherm models, respectively, for MB adsorption on the Fe₃O₄/PS adsorbent (adsorbent mass of 15 mg, a solution volume of 25 mL, and a contact time of 25 min), (d) Effect of equilibrium concentrations on the adsorption of MB onto the synthesized sorbent, (e) the adsorption isotherm, and (f) Langmuir isotherm C- Sips d- DR e- RP and f Temkin isotherms.
ανά: Tamer S. Saleh (5181146)
Έκδοση: (2025)

الاستحسان الأصولي وأثره في نظرية الظروف الطارئة: نماذج تطبيقية
ανά: Mansour, Mohamed Khaled
Έκδοση: (2023)

Real sample application. (a) Reusability studies of 100 mg of Fe<sub>3</sub>O<sub>4</sub>/PS composites in terms of removal efficiency changes for the capturing properties of 15 mg/L of MB after five regeneration/reuse cycles, (b) Selectivity of Fe<sub>3</sub>O<sub>4</sub>/PS composite toward MB in the presence of the MO ionic dye, and (c) monitoring of MB in industrial wastewater samples.
ανά: Tamer S. Saleh (5181146)
Έκδοση: (2025)

(A) Development of Fe<sub>3</sub>O<sub>4</sub>/PS adsorbent for MB dye removal, (B) Methylene blue dye structure, and (C) Methyl Orange dye structure.
ανά: Tamer S. Saleh (5181146)
Έκδοση: (2025)

Effect of adsorbent dose and pH on the removal efficacy. (a) UV-vis spectra of 25 mg/L of MB solution before and after treatment with different doses of Fe<sub>3</sub>O<sub>4</sub>/PS composites (from 4 mg to 40 mg) at 25 °C for 15 min, (b) the relationship between the adsorbent dose and the removal efficiency of MB, and (c) the effect of the pH on the removal efficiency.
ανά: Tamer S. Saleh (5181146)
Έκδοση: (2025)

(a) UV-vis spectra of 25 mg/L of MB solution before and after treatment with Fe<sub>3</sub>O<sub>4</sub>, PS powder, and different Fe<sub>3</sub>O<sub>4</sub>/PS composites, and (b) the effect of the type of adsorbent on the removal efficiency.
ανά: Tamer S. Saleh (5181146)
Έκδοση: (2025)

Investigation of the MB adsorption by PS and PS/Fe<sub>3</sub>O<sub>4</sub> composites. (a) FTIR spectra of PS powder before and after MB adsorption and (b) FTIR spectra of MB before and after treatment with Fe<sub>3</sub>O<sub>4</sub>/PS composites.
ανά: Tamer S. Saleh (5181146)
Έκδοση: (2025)

EDX of (a) PS powder, (b) 5% Fe<sub>3</sub>O<sub>4</sub>/PS composite, (c) 10% Fe<sub>3</sub>O<sub>4</sub>/PS composite, (d) 20% Fe<sub>3</sub>O<sub>4</sub>/PS composite, and (e) 30% Fe<sub>3</sub>O<sub>4</sub>/PS composite.
ανά: Tamer S. Saleh (5181146)
Έκδοση: (2025)

SEM image of (a) PS powder, (b) 5% Fe<sub>3</sub>O<sub>4</sub>/PS composite, (c) 10% Fe<sub>3</sub>O<sub>4</sub>/PS composite, (d) 20% Fe<sub>3</sub>O<sub>4</sub>/PS composite, and (e) 30% Fe<sub>3</sub>O<sub>4</sub>/PS composite.
ανά: Tamer S. Saleh (5181146)
Έκδοση: (2025)

Contamination Factor Index of Environmental Liabilities Included in the Study.
ανά: César Julio Cáceda Quiroz (22683324)
Έκδοση: (2025)

The study includes the Geoaccumulation Index of environmental liabilities.
ανά: César Julio Cáceda Quiroz (22683324)
Έκδοση: (2025)

Soil contaminants from mining activities.
ανά: César Julio Cáceda Quiroz (22683324)
Έκδοση: (2025)

Concentration of Potentially Toxic Elements (mg/kg) in the environmental liabilities.
ανά: César Julio Cáceda Quiroz (22683324)
Έκδοση: (2025)

Characterization of environmental liabilities.
ανά: César Julio Cáceda Quiroz (22683324)
Έκδοση: (2025)

Spearman rank order correlation for selected parameters analyzed in soil samples from mining environmental liabilities.
ανά: César Julio Cáceda Quiroz (22683324)
Έκδοση: (2025)

Principal Component Analysis (PCA) graphs of EPT concentrations (As, Cd, Cr, Pb, Br, Hg, and CN<sup>-</sup>) and their spatial distribution in environmental sites of S1: Cercana, S2: Chulluncane, S3: Tutupaca, S4: Yucamane, S5: Cano.
ανά: César Julio Cáceda Quiroz (22683324)
Έκδοση: (2025)

Potential ecological risk.
ανά: César Julio Cáceda Quiroz (22683324)
Έκδοση: (2025)

Pollutant Load Index (<i>PLI</i>) for five sites.
ανά: César Julio Cáceda Quiroz (22683324)
Έκδοση: (2025)

The concentration of elements analyzed for each MELs. S1: Chulluncane, S2: Cercana, S3: Tutupaca, S4; Yucamane, S5: Cano, S6: Reference site (Native soil).
ανά: César Julio Cáceda Quiroz (22683324)
Έκδοση: (2025)

Localization of rural communities near environmental liabilities and bodies of water.
ανά: César Julio Cáceda Quiroz (22683324)
Έκδοση: (2025)

Location of Mining Environmental Liabilities (MELs) and Sampling Sites in the Tacna Region, Peru.
ανά: César Julio Cáceda Quiroz (22683324)
Έκδοση: (2025)

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