Numerical simulation of the time-dependent deformation behaviour of claystone rock mass at the Tournemire site with 2D and 3D models

This work deal with modelling of the process of drying, air flow, temperature and moisture distribution in a condensation lumber kiln. This model was made and solved in the computing system ANSYS with the use of the finite element method. There are comparationes of the 2D and 3D models, shape of wood stacks and variability of their parameters (height, width, length, cross section) in the work. The flow velocity and orientation, pressure and temperature field were observed.

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Comparison of 2D and 3D Models of Salinity Numerical Simulation

Polish Maritime Research ◽

10.1515/pomr-2015-0028 ◽

2015 ◽

Vol 22 (s1) ◽

pp. 26-29

Author(s):

Li Chunhui ◽

Pan Xishan ◽

Ke Jie ◽

Dong Xiaotian

Keyword(s):

Numerical Simulation ◽

Mathematical Model ◽

Mathematical Models ◽

3D Models ◽

Seawater Desalination ◽

Salinity Distribution ◽

Before And After ◽

Hydrodynamic Environment ◽

2D And 3D ◽

Important Significance

Abstract For the study of the effect of 2D and 3D mathematical model in salinity simulation, with Liuheng island strong brine discharge of seawater desalination project as an example, using 2D and 3D salinity mathematical models of Liuheng island to simulate coastal hydrodynamic environment and salinity distribution before and after the concentrated brine discharge, and analyzed the results. Finally got the applicable scope of the two models, it has an important significance in the study of similar problems.

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Techniques Used for Eye Gaze Interfaces and Survey

International Journal of Advances in Scientific Research ◽

10.7439/ijasr.v1i6.2125 ◽

2015 ◽

Vol 1 (6) ◽

pp. 276

Author(s):

Maria Rashid ◽

Wardah Mehmood ◽

Aliya Ashraf

Keyword(s):

Eye Tracking ◽

Eye Gaze ◽

3D Models ◽

Image Process ◽

Usability Problems ◽

Software Algorithms ◽

Pupil Detection ◽

Eye Movement Tracking ◽

2D And 3D ◽

Movement Tracking

Eye movement tracking is a method that is now-a-days used for checking the usability problems in the contexts of Human Computer Interaction (HCI). Firstly we present eye tracking technology and key elements.We tend to evaluate the behavior of the use when they are using the interace of eye gaze. Used different techniques i.e. electro-oculography, infrared oculography, video oculography, image process techniques, scrolling techniques, different models, probable approaches i.e. shape based approach, appearance based methods, 2D and 3D models based approach and different software algorithms for pupil detection etc. We have tried to compare the surveys based on their geometric properties and reportable accuracies and eventually we conclude this study by giving some prediction regarding future eye-gaze. We point out some techniques by using various eyes properties comprising nature, appearance and gesture or some combination for eye tracking and detection. Result displays eye-gaze technique is faster and better approach for selection than a mouse selection. Rate of error for all the matters determines that there have been no errors once choosing from main menus with eye mark and with mouse. But there have been a chance of errors when once choosing from sub menus in case of eye mark. So, maintain head constantly in front of eye gaze monitor.

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Numerical simulation of the time-dependent current to membrane-covered oxygen sensors

Journal of Electroanalytical Chemistry ◽

10.1016/0022-0728(93)80119-3 ◽

1993 ◽

Vol 348 (1-2) ◽

pp. 1-14 ◽

Cited By ~ 7

Author(s):

D.J. Gavaghan ◽

J.S. Rollett ◽

C.E.W. Hahn

Keyword(s):

Numerical Simulation ◽

Oxygen Sensors ◽

Time Dependent

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Stress wave propagation in different number of fissured rock mass based on nonlinear analysis

International Journal of Nonlinear Sciences and Numerical Simulation ◽

10.1515/ijnsns-2019-0301 ◽

2020 ◽

Vol 0 (0) ◽

Author(s):

Xiaoming Lou ◽

Mingwu Sun ◽

Jin Yu

Keyword(s):

Numerical Simulation ◽

Rock Mass ◽

Confining Pressure ◽

Displacement Discontinuity ◽

Stress Wave Propagation ◽

Theoretical Derivation ◽

Mechanics Model ◽

Fissured Rock ◽

Deep Rock ◽

Theoretical Accuracy

AbstractThe fissures are ubiquitous in deep rock masses, and they are prone to instability and failure under dynamic loads. In order to study the propagation attenuation of dynamic stress waves in rock mass with different number of fractures under confining pressure, nonlinear theoretical analysis, indoor model test and numerical simulation are used respectively. The theoretical derivation is based on displacement discontinuity method and nonlinear fissure mechanics model named BB model. Using ABAQUS software to establish a numerical model to verify theoretical accuracy, and indoor model tests were carried out too. The research shows that the stress attenuation coefficient decreases with the increase of the number of fissures. The numerical simulation results and experimental results are basically consistent with the theoretical values, which verifies the rationality of the propagation equation.

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Research on Reservoir Numerical Simulation with Consideration of Time-dependent Physical Properties

IOP Conference Series Earth and Environmental Science ◽

10.1088/1755-1315/692/4/042128 ◽

2021 ◽

Vol 692 (4) ◽

pp. 042128

Author(s):

Pingqi Zhao ◽

Tianlu Ni ◽

Shumei He ◽

Fang Huang ◽

Xiao Liang ◽

...

Keyword(s):

Numerical Simulation ◽

Physical Properties ◽

Time Dependent

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Fucoxanthin Holds Potential to Become a Drug Adjuvant in Breast Cancer Treatment: Evidence from 2D and 3D Cell Cultures

Molecules ◽

10.3390/molecules26144288 ◽

2021 ◽

Vol 26 (14) ◽

pp. 4288

Author(s):

Fernanda Malhão ◽

Ana Catarina Macedo ◽

Carla Costa ◽

Eduardo Rocha ◽

Alice Abreu Ramos

Keyword(s):

Breast Cancer ◽

Cell Lines ◽

3D Models ◽

Anticancer Activities ◽

Cytotoxic Effects ◽

3D Cultures ◽

3D Cell Cultures ◽

Tumoral Cell ◽

Microscopy Techniques ◽

2D And 3D

Fucoxanthin (Fx) is a carotenoid derived from marine organisms that exhibits anticancer activities. However, its role as a potential drug adjuvant in breast cancer (BC) treatment is still poorly explored. Firstly, this study investigated the cytotoxic effects of Fx alone and combined with doxorubicin (Dox) and cisplatin (Cis) on a panel of 2D-cultured BC cell lines (MCF7, SKBR3 and MDA-MB-231) and one non-tumoral cell line (MCF12A). Fucoxanthin induced cytotoxicity against all the cell lines and potentiated Dox cytotoxic effects towards the SKBR3 and MDA-MB-231 cells. The combination triggering the highest cytotoxicity (Fx 10 µM + Dox 1 µM in MDA-MB-231) additionally showed significant induction of cell death and genotoxic effects, relative to control. In sequence, the same combination was tested on 3D cultures using a multi-endpoint approach involving bioactivity assays and microscopy techniques. Similar to 2D cultures, the combination of Fx and Dox showed higher cytotoxic effects on 3D cultures compared to the isolated compounds. Furthermore, this combination increased the number of apoptotic cells, decreased cell proliferation, and caused structural and ultrastructural damages on the 3D models. Overall, our findings suggest Fx has potential to become an adjuvant for Dox chemotherapy regimens in BC treatment.

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In Situ Tests on Creep Behavior of Rock Mass with Joint or Shearing Zone in Foundation of Large-Scale Hydroelectric Projects

Key Engineering Materials ◽

10.4028/www.scientific.net/kem.261-263.1097 ◽

2004 ◽

Vol 261-263 ◽

pp. 1097-1102 ◽

Cited By ~ 2

Author(s):

Jian Liu ◽

Xia Ting Feng ◽

Xiu Li Ding ◽

Huo Ming Zhou

Keyword(s):

Rock Mass ◽

Creep Behavior ◽

Large Scale ◽

Time Dependent ◽

Three Gorges Project ◽

Three Gorges ◽

The Three Gorges ◽

The Three Gorges Project

The time-dependent behavior of rock mass, which is generally governed by joints and shearing zones, is of great significance for engineering design and prediction of long-term deformation and stability. In situ creep test is a more effective method than laboratory test in characterizing the creep behavior of rock mass with joint or shearing zone due to the complexity of field conditions. A series of in situ creep tests on granite with joint at the shiplock area of the Three-Gorges Project and basalt with shearing zone at the right abutment of the Xiluodu Project were performed in this study. Based on the test results, the stress-displacement-time responses of the joints and basalt are analyzed, and their time-dependent constitutive model and model coefficients are given, which is crucial for the design to prevent the creep deformations of rock masses from causing the failure of the operation of the shiplock gate at the Three-Gorges Project and long-term stability of the Xiluodu arc dam.

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