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Journal articles on the topic 'Funte element method Data processing'

Author: Grafiati

Published: 10 December 2022

Last updated: 31 July 2025

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1

Shulgina, Yuliya, Maria A. Kostina, Evgeniy Shulgin, and Alexey Soldatov. "Method of Processing Data of Acoustic Array." Materials Science Forum 970 (September 2019): 242–49. http://dx.doi.org/10.4028/www.scientific.net/msf.970.242.

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Within this article, a method has been developed to reduce the amount of transmitted data from the receiving and preprocessing unit to a personal computer. On logical grounds, there is compelling reason to use as a basic property of an ellipse as a ground of the method. The developed data processing algorithm for the multi-element array system was tested in the MatLab software package. Also, a block diagram and data processing algorithm were developed for the practical implementation on a field programmable gate array.

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Soloviev, A. N., M. A. Tamarkin, and Nguyen Van Tho. "Finite element modeling method of centrifugal rotary processing." Vestnik of Don State Technical University 19, no. 3 (2019): 214–20. http://dx.doi.org/10.23947/1992-5980-2019-19-2-214-220.

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Introduction. In modern production, when performing finishing operations, centrifugal rotary processing in the medium of abrasive plays an important role. High productivity, low costs and extensive technological capabilities are the main advantages of these cleaning and finishing operations. This paper considers the process of abrasive particle – workpiece surface interaction within the framework of the static contact problem of the elasticity theory. Thus, plastic deformation in the contact area comes into account.Materials and Methods. The abrasive particle (corundum) is simulated with a lin

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Tsmots, Ivan, Vasyl Teslyuk, Yurii Opotyak, Taras Mamchur, and Oleksandr Oliinyk. "Synthesis of recursive-type neural elements with parallel vertical-group data processing." Eastern-European Journal of Enterprise Technologies 3, no. 2 (135) (2025): 6–16. https://doi.org/10.15587/1729-4061.2025.329139.

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The object of this study is the processes of parallel vertical-group data processing and minimization of equipment costs, which enable the synthesis of real-time recursive neural elements with high efficiency of equipment use. A model of a recursive-type neural element has been built, which, through the use of a parallel vertical-group method for calculating the scalar product and the ability to choose the number of bits in the group for the formation of partial products, coordinates the time of receipt of weights and input data with the time of calculating the result at the output of the neur

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Li, Weihan, Yang Li, Ling Yu, et al. "A Novel Fault Feature Extraction Method for Bearing Rolling Elements Using Optimized Signal Processing Method." Applied Sciences 11, no. 19 (2021): 9095. http://dx.doi.org/10.3390/app11199095.

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A rolling element signal has a long transmission path in the acquisition process. The fault feature of the rolling element signal is more difficult to be extracted. Therefore, a novel weak fault feature extraction method using optimized variational mode decomposition with kurtosis mean (KMVMD) and maximum correlated kurtosis deconvolution based on power spectrum entropy and grid search (PGMCKD), namely KMVMD-PGMCKD, is proposed. In the proposed KMVMD-PGMCKD method, a VMD with kurtosis mean (KMVMD) is proposed. Then an adaptive parameter selection method based on power spectrum entropy and grid

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Di Rienzo, Luca, Alberto Cosmai, and Stephan Russenschuck. "Post-Processing Magnetic Measurement Data of Accelerator Magnets by the Boundary Element Method." IEEE Transactions on Magnetics 53, no. 6 (2017): 1–4. http://dx.doi.org/10.1109/tmag.2017.2652119.

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Yuan, Su Ling. "The Element-Free Method for Steam Turbine Rotor." Applied Mechanics and Materials 281 (January 2013): 343–46. http://dx.doi.org/10.4028/www.scientific.net/amm.281.343.

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The element-free method is a new numerical method, which requires only nodal data and whose shape functions are continual and differentiable. The element-free method employs moving least-square approximants to approximate original functions. In this paper, discrete equations of axial symmetry problem are obtained by variational principle and Gaussian quadrature. Several numerical examples indicate that the element-free method can obtain more accurate results about these problems, moreover, results and their gradients are continuous in the entire domain and post-processing to obtain a smooth gr

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Ragulin, Vitaliy, Salman Rasheed Owaid, Heorhii Kuchuk, et al. "Development of a method for increasing the efficiency of processing heterogeneous data using a metaheuristic algorithm." Eastern-European Journal of Enterprise Technologies 4, no. 3 (130) (2024): 21–28. http://dx.doi.org/10.15587/1729-4061.2024.309126.

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The problems of processing heterogeneous data are discontinuous, undifferentiated, and multimodal. The most common approaches to processing heterogeneous data are swarm intelligence algorithms (swarm algorithms). Given the above, classical gradient deterministic algorithms are inappropriate for solving the problems of processing heterogeneous data. The problem solved in the study is to increase the efficiency of processing heterogeneous data circulating in information systems, regardless of the number of data sources. The object of the study is hierarchical systems. A method for increasing the

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Yeniwati, Desi, Nilawati -, and Irma Suana. "SISTEM PENGOLAHAN DATA KEUANGAN PADA MADRASAH ALIYAH SWASTA MAHDALIYAH KOTA JAMBI." JURNAL AKADEMIKA 12, no. 2 (2020): 54–59. https://doi.org/10.53564/akademika.v12i2.382.

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School is a big activity where there are interrelated components. One important element that must be possessed by schools is optimal financial data processing. This research has produced a Financial Data Processing System in the Private City of Mahdaliyah Aliyah Madrasah City of Jambi, which is expected to be able to optimize the activities of financial data processing in the Private City of Aliyah Mahdaliyah Madrasah City of Jambi. This application was built using Visual Basic 6.0 tools and MySQL Database. The research method used is the waterfall method, as well as system modeling using Data

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Liang, Baohua, Haiqi Zhang, Zhengyu Lu, and Zhengjin Zhang. "Indistinguishable Element-Pair Attribute Reduction and Its Incremental Approach." Mathematical Problems in Engineering 2022 (September 29, 2022): 1–16. http://dx.doi.org/10.1155/2022/6876144.

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Attribute reduction is a popular approach of preprocessing data. Discernibility matrix is a typical method that focuses on attribute reduction. Faced with the processing of modern information systems with large amounts of data and rapid changes, the traditional static discernibility matrix reduction model is powerless. To overcome this shortcoming, this paper first proposes an indistinguishable element pair method that does not need to store discernibility information, which retains the advantages of institution and easy-to-understand, and at the same time effectively solves the problem of spa

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Zu, Hai Ying, Mi Tian, and Jia Xuan Han. "Reverse Modeling Analysis and Design on Rubber Sealing Element in Spherical BOP." Advanced Materials Research 655-657 (January 2013): 300–304. http://dx.doi.org/10.4028/www.scientific.net/amr.655-657.300.

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Spherical BOP is one of crucial equipments in snubbing operation well in petroleum industries, with its core element of rubber sealing element, the connection between the spherical surface of metal skeleton and the rubber is irregular surface, it is difficult to determine the model by manual surveying and mapping. The paper put forward a design method on spherical bop rubber sealing element with the reverse engineering technology. Through the analysis of the reverse surveying and mapping basic requirements on spherical bop rubber sealing element, determined its data acquisition path and proces

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Lu, Lu, and Zhao Xu Wang. "Equivalent Stress Analysis of Piercing Process in Diescher’s Mill Using Finite Element Method." Advanced Materials Research 648 (January 2013): 170–73. http://dx.doi.org/10.4028/www.scientific.net/amr.648.170.

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In this paper, the simulation of the piercing process is performed by the three dimensional finite element method in Diescher’s mill. After a short description of the problem the numerical model of the process is described. The simulated results visualize dynamic evolution of equivalent stress, especially inside the work-piece. The non-uniform distribution of stress on the internal and external surface of the work-piece is a distinct characteristic of processing tube piercing. And it is the basic data for improving tool and design, predicting, damage and controlling the micro-structural evolut

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Yu, Ling, Jing Yuan, Ying Wu, Renjie Hu, Qinghui Yang, and An Lu. "An ensemble empirical mode decomposition method based on finite element analysis for optimization." Journal of Physics: Conference Series 3019, no. 1 (2025): 012036. https://doi.org/10.1088/1742-6596/3019/1/012036.

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Abstract In direct current, there are not only DC signals but also ripple, distortion, and noise signals. In addition to avoiding various errors from the hardware, it is also necessary to compensate for errors in data processing. The algorithm is used to process the data collected by the signal acquisition module of the device to remove the interference in the original signal and reduce the signal error.

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Emelyanov, V. A., E. B. Shershnev, Yu V. Nikitjuk, S. I. Sokolov, and I. Y. Aushev. "Estimating the Parameters of Laser Processing of Diamonds Using the Finite Element Method and Artificial Neural Networks." Doklady BGUIR 21, no. 4 (2023): 40–45. http://dx.doi.org/10.35596/1729-7648-2023-21-4-40-45.

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This paper provides the simulation of laser processing of diamonds by using a combination of artificial neural networks and the finite element method. The training data array and the data array for testing neural networks were generated in ANSYS. The calculations were performed for 600 types of input parameters, 60 of which were used to test artificial neural networks. The influence of the parameters of neural network models on the accuracy of determining temperatures in the laser processing area were studied. The parameters of neural networks were established that provide acceptable results i

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Lu, Songyan. "Optimization of Object-oriented 3D CAD Pre-processing System for Steel Structure of High-rise Buildings." Computer-Aided Design and Applications 18, S3 (2020): 106–17. http://dx.doi.org/10.14733/cadaps.2021.s3.106-117.

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In this paper, the object-oriented method is used to study the pre-processing system of 3D high-rise building steel structure CAD. For the high-rise building steel structure design optimization system, users mainly contact with the functions of modeling, analysis, design checking and drawing. In fact, all these functions are carried out around the data stored behind. Three-dimensional high-rise building steel structure CAD pre-processing subsystem mainly integrates three-dimensional entity construction module, node design and editing module, construction drawing, processing drawing and CNC dat

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Orysenko, O. V., A. I. Kryvorot, V. V. Ilchenko, and H. А. Filipova. "THE AUTOMOBILE TIRES VULCANIZATION METHOD REPAIR PROCESS EXPERIMENTAL INVESTIGATION." ACADEMIC JOURNAL Series: Industrial Machine Building, Civil Engineering 1, no. 50 (2018): 56–61. http://dx.doi.org/10.26906/znp.2018.50.1059.

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In the article local repair automobile tires expediency by vulcanization means in mechanical damage carcass case is shown. It has been established that analytical and experimental data on determining the required temperature of the heating element have a significant discrepancy. It was found that on the vulcanization degree among all factors temperature and pressure on the welding surfaces are the most influential. After processing the experimental data and using the static methods, mathematical dependence of the temperature on the welding surface from the heating element temperature and on th

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Mori, Kenichiro, and Y. Kanno. "Development of PC Cluster Parallel Processing Scheme of 3-D Rigid-Plastic Finite Element Method Using Diagonal Matrix." Key Engineering Materials 340-341 (June 2007): 371–76. http://dx.doi.org/10.4028/www.scientific.net/kem.340-341.371.

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The 3-D rigid-plastic finite element method using a diagonal matrix was applied to parallel processing using a distributed memory type PC cluster. The cluster composed of cheap PCs becomes common as a low-cost system in the parallel processing. Since the computers in the distributed memory type PC cluster have individual memory units, the transfer of date among computers during the computation is required, and thus the time for the data transfer is taken into consideration. The renewal of data in each computation is limited because of the time of data transfer unlike the shared memory type wor

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Owerko, Tomasz, and Przemysław Kuras. "Effective Processing of Radar Data for Bridge Damage Detection." Shock and Vibration 2019 (April 17, 2019): 1–13. http://dx.doi.org/10.1155/2019/2621092.

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This paper presents the practical results of the evaluation of the data obtained by using ground-based radar interferometer during measurements carried out on bridge structures. Due to the nature of the objects studied, the authors proposed a comprehensive method of data analysis, which identifies whether the passage of the vehicle did not damage the bridge. The effective use of vehicles as a source of bridge excitation allowed us to first develop a method for determining the damping parameters resistant to potentially occurring beating frequencies. As a result, it is possible to determine the

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18

Wrzosek, Filip. "Finite Element Modelling of a Transmission Steel Lattice Tower Based on LiDAR Point Cloud Data." ce/papers 6, no. 3-4 (2023): 1174–78. http://dx.doi.org/10.1002/cepa.2680.

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AbstractThis article presents an innovative modelling method, which can serve as a set of guidelines for future applications related to point cloud data processing of steel lattice structures used for FEA modelling purposes. This method is fully automated, resulting in repeatable results and saving time required for manual data processing. The study investigated two types of input point cloud data, aerial and terrestrial, and compared the resulting model to an idealized model based on design documentation. Results showed that the LiDAR point cloud data is a good source of information for recon

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Ma, Siyu, Yuxiang Zhang, Zhinan Xie, and Jun Li. "Seafloor Topographic Data Processing in Near-Seafloor Acoustic Field Simulation." Acoustics 6, no. 4 (2024): 966–77. http://dx.doi.org/10.3390/acoustics6040053.

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Near-seafloor acoustic field characteristics are essential prior knowledge for near-seafloor underwater acoustic engineering. Scholte waves are a crucial component of the near-seafloor acoustic fields. These fields, when considering Scholte waves, are susceptible to seafloor relief. However, open-source bathymetric datasets generally lack sufficient precision. Therefore, acoustic field simulations using open-source data can contain significant errors or even introduce erroneous propagation characteristics. The spectral element method (SEM) is an example of exploring the influence of an inadequ

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20

Ulfa, Henny Maria. "Analisis Unsur Manajemen dalam Pengolahan Rekam Medis di Rumah Sakit TNI AU Lanud Roesmin Nurjadin." KESMARS: Jurnal Kesehatan Masyarakat, Manajemen dan Administrasi Rumah Sakit 1, no. 1 (2018): 20–25. http://dx.doi.org/10.31539/kesmars.v1i1.146.

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Hospitals must conduct a medical record activities according to Permenkes NO.269 / MENKES / PER / III / 2008 about Medical Record, to achieve the purpose of medical record processing required 5 management elements are: man, money, material, machine, and method. The medical record processing that has been implemented at the Hospital TNI AU LANUD Roesmin Nurjadin that is coding, coding only done for BPJS patients whose conducted by the officer with education background of D3 nursing, it be impacted to the storage part is wrong save and cannot found patient medical record file because are not ret

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21

Yang, Zhong, Xiao Xian Yao, and Dong Xu Zhang. "Research on a Test Method of Dynamic Force of Jet Elements." Applied Mechanics and Materials 574 (July 2014): 154–59. http://dx.doi.org/10.4028/www.scientific.net/amm.574.154.

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According to the characteristics of the dynamic force of jet elements, a kind of simple pendulum test system was presented. The dynamic jet force value was obtained indirectly by the acceleration value of the jet element under its force. The mathematic model of the test system was established and the test errors of the amplitude and delay time were analyzed. A processing method of dynamic force test data was presented based on the test curve and the parameters of amplitude and delay time were obtained. The result indicates that the test method can satisfy the testing requirements of dynamic fo

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Shashko, Yurii, та Oleksiy Kulyk. "Вдосконалення процесу обробки абразивно-повітряним струменем робочих поверхонь лопаток моноколіс закритого типу на основі даних чисельного моделювання за допомогою програмного комплексу ANSYS CFX". Aerospace Technic and Technology, № 5 (3 жовтня 2023): 64–77. http://dx.doi.org/10.32620/aktt.2023.5.05.

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The correct choice of technological modes can guarantee the results of inkjet processing. However, the need to consider a significant amount of input data, namely the parameters of the equipment, the abrasive jet, the physical and mechanical properties of the material, and the shape of the processed product surfaces, as well as the lack of clear recommendations and technological data, significantly complicates the process. The subject of this study is the process of processing the surface of closed-type blades with an abrasive-air jet made in one piece with a disk of the "monowheel" type, usin

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Palahin, Volodymyr, Olena Palahina, Oleksandr Ivchenko, and Anatolii Bairak. "Development of the Combined Operations Method to Improve the Efficiency of Block Encryption." Mathematical and computer modelling. Series: Technical sciences 25 (September 30, 2024): 78–88. http://dx.doi.org/10.32626/2308-5916.2024-25.78-88.

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Real-time information protection requires the implementation of special methods aimed at providing reliable and fast encryption algorithms to protect personal and corporate information from unauthorized access. With the growth of data volumes and the speed of their processing, the importance of effective encryption methods increases significantly. One of the common, reliable and well-known encryption algorithms is AES (Advanced Encryption Standard), also known as Rijndael, which is a symmetric block cipher. AES has high efficiency and cryptoresistance and is suitable for processing large volum

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Lamichhane, Bishnu P., and Lutz Gross. "Inversion of geophysical potential field data using the finite element method." Inverse Problems 33, no. 12 (2017): 125009. http://dx.doi.org/10.1088/1361-6420/aa8cb0.

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Glukhov, V. A., Yu A. Goldin, G. V. Zhegulin, and M. A. Rodionov. "Complex Processing of Lidar Survey Data of Marine Areas." Fundamental and Applied Hydrophysics 15, no. 3 (2022): 27–42. http://dx.doi.org/10.59887/fpg/26nu-3hte-3n48.

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The complex processing of data from the shipborne lidar survey of the Black Sea coastal areas was carried out. In this area, internal waves are often observed according to contact and satellite observations. The source of probing linearly polarized laser pulses in the lidar is a solid-state laser with diode pumping of the YAG: Nd active element with a pulse power of 20 mJ at a wavelength of 532 nm and a duration of 7 ns. The co- and cross-polarized components of the echo signal were recorded during the lidar survey. The cross-polarized component of the echo signal was mainly used due to its gr

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Palguyev, D. A., and A. N. Shentyabin. "Matrix application for multi-radar processing of radar data arrays." Radio industry (Russia) 30, no. 3 (2020): 99–111. http://dx.doi.org/10.21778/2413-9599-2020-30-3-99-111.

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In the processing of dynamically changing data, for example, radar data (RD), a crucial part is made by the representation of various data sets containing information about routes and signs of air objects. In the practical implementation of the computational process, it previously seemed natural that RD processing in data arrays was carried out by the elementwise search method. However, the representation of data arrays in the form of matrices and the use of matrix math allow optimal calculations to be formed during tertiary processing. Forming matrices and working with them requires a signifi

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Kanatnikov, N., P. Kanatnikova, and D. Pickalov. "Thermal Processes Simulation during Processing Bevel Gears." Solid State Phenomena 284 (October 2018): 495–500. http://dx.doi.org/10.4028/www.scientific.net/ssp.284.495.

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In the article the model for forecasting of thermal processes arising during processing of bevel gears is presented. The kinematics of cutting is modeled due to the analytical model. Chipping is modeled using the finite element method. The experiment is based on the method of infrared photography of the cutting process. In the process of carrying out a numerical experiment, the graphs of the heat fields for the tool, the workpiece gear and chips were obtained, and an array of data on their change during the cutting process was achieved. The simulation results showed that the maximum temperatur

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Sadek, Mohammad, and Ying Chen. "Discrete element modelling (DEM) of hemp processing using a hammermill." Canadian Biosystems Engineering 63, no. 1 (2022): 2.01–2.11. http://dx.doi.org/10.7451/cbe.2021.63.2.1.

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The discrete element method (DEM) was used to develop a model to simulate hemp processing using a hammer mill. The model was computed using a commercial software package - Particle Flow Code in Three Dimensions (PFC3D). In the model, a simulated hemp stem was defined using spherical particles connected with parallel bonds implemented in the PFC3D. The breakage of the bonds mimics the hemp breaking phenomenon within the hammermill. A micro property, bond strength of the hemp stems, was calibrated using the literature data from compression tests of hemp stems. The calibrated bond strength was 2.

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Kodzhaspirov, G. E., and A. I. Rudskoy. "Simulation of Thermomechanical Control Processing of Steels through the Use of Experimental Planning and FEM." Materials Science Forum 762 (July 2013): 289–94. http://dx.doi.org/10.4028/www.scientific.net/msf.762.289.

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The experimental planning method has been used for the examination of the combined effect of the temperature, strain, strain rate and time elapsed from the end of deformation to the start of quenching parameters of the Thermomechanical Control Processing on the structure and mechanical properties. Simulation of Thermomechanical Control Processing for the definite cross-section of profile by Finite Element Method on the base of the data obtained by the experimental planning method allowed to predict structure and mechanical properties and to develop computer modelling for the different cross-se

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Vorotnev, D. V., R. V. Golovanov, D. A. Kuznetsov, K. V. Panfilova, S. V. Umnyashkin, and I. O. Sharonov. "OPENVX STANDARD TENSOR IMPLEMENTATION FOR ARTIFICIAL NEURAL NETWORKS ON SPECIALIZED PLATFORMS." Issues of radio electronics, no. 8 (August 20, 2018): 104–11. http://dx.doi.org/10.21778/2218-5453-2018-8-104-111.

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NNE extension for OpenVX 1.2 standard adds functions that implement layers of artificial neural networks. Each layer receives a tensor object as input, processes it and passes the result tensor to the next layer. Implementation recommendations and hardware optimization of tensor processing functions were proposed. The types of data supported by the OpenVX standard for creating of tensors are given, and the operations for processing them are described. The mathematical and software models of tensors are described in detail, which allow performing element-by-element processing. A new program mod

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Li, Qing Ying, Tian Bai, and Chun Ling Zhu. "Deicing Excitation Simulation and Structural Dynamic Analysis of the Electro-Impulse Deicing System." Applied Mechanics and Materials 66-68 (July 2011): 390–95. http://dx.doi.org/10.4028/www.scientific.net/amm.66-68.390.

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A two-dimensional electromagnetic eddy current field analysis model of the experimental electro-impulse deicing system (EIDI) is developed. Additionally, a numerical post-processing method is proposed to calculate the deicing excitation exerting on the testing skin. Moreover, a three-dimensional dynamic analysis finite element model of the testing skin loaded the excitation is built for evaluating the response accelerations. Then, the calculated accelerations are compared with the experimental measured data to validate the correctness of the proposed methods. It is obtained that the results ag

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Dong, Hai, Qing Quan Tong, and Yi Kai Wang. "Study on Quality Control Method in Multi-Specification and Small-Batch Production." Advanced Materials Research 1006-1007 (August 2014): 363–66. http://dx.doi.org/10.4028/www.scientific.net/amr.1006-1007.363.

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Aiming at the problem of less quality characteristics data in multi-specification and small-batch production, matter-element theory was applied to adjust similarity of factors affecting the quality during the processing, thus similar processes was divided and data shortage problem was resolved. In addition, the relative range method was applied to translate characteristics data, thus drawing the control chart to judge process control state.Through the analysis of a case,the validity of quality control method was verified in the multi-specification and small-batch production.

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Sazonova, S. A., V. F. Asminin, A. V. Zvyagintseva, T. V. Kurchenkova, and S. S. Rylev. "Numerical calculation of a statically indeterminate frame by the finite element method." Journal of Physics: Conference Series 2094, no. 3 (2021): 032030. http://dx.doi.org/10.1088/1742-6596/2094/3/032030.

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Abstract A numerical calculation of a statically indeterminate frame with high rigidity elements with the computer program STAB12. EXE using the finite element method is performed. An example of generating the source data for the program STAB12. EXE with subsequent processing of the results of the calculations is given. The features of checking the balance of nodes, rods and the frame as a whole based on the use of values taking into account the signs on the diagrams of torques, longitudinal and transverse forces are described. According to the results of calculations, the computer shows the f

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Zhao, Ying, Jiahao Chen, Qiang Zhou, Xiaohan Jia, and Xueyuan Peng. "Numerical Simulation and Experimental Validation of the Vibration Modes for a Processing Reciprocating Compressor." Shock and Vibration 2017 (2017): 1–12. http://dx.doi.org/10.1155/2017/5327326.

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The low-order vibration modes of a reciprocating compressor were studied by means of numerical simulation and experimental validation. A shell element model, a beam element model, and two solid element models were established to investigate the effects of bolted joints and element types on low-order vibration modes of the compressor. Three typical cases were compared to check the effect of locations of moving parts on the vibration modes of the compressor. A forced modal test with the MRIT (Multiple References Impact Test) technique was conducted to validate the simulation results. Among four

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Myrzalyiev, D. S., O. B. Seidullayeva, D. A. Abzalova, and N. N. Rakhymtai. "Investigation of the stress-strain state of surfaces during mechanical processing." Bulletin of the L.N. Gumilyov Eurasian National University. Technical Science and Technology Series 151, no. 2 (2025): 93–106. https://doi.org/10.32523/2616-7263-2025-151-2-93-106.

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Mechanical processing of materials is a complex process in which various stresses and deformations occur, which have a significant impact on the stress-strain state (SSS) of the surfaces of the machined parts. In this paper, the stress-strain state (SSS) of surfaces obtained as a result of mechanical processing is investigated using the SolidWorks program. Modeling in this program allows you to take into account the influence of factors such as cutting depth, cutting speed and tool characteristics. The main purpose of the study is to analyze the stress and strain distribution on the surface of

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Golosov, Andrei, Olga Lubimova, Mikhail Zhevora, Vladislava Markevich, and Vladimir Siskov. "Data processing method for experimental studies of deformation in a rock sample under uniaxial compression." E3S Web of Conferences 129 (2019): 01018. http://dx.doi.org/10.1051/e3sconf/201912901018.

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As a result of experimental and theoretical studies, the patterns of behavior of rocks in a condition close to destructive are the focal nature of the preparation of macrocracking, which allowed us to include the mesocrack structure of the material, which is the main element in the preparation of macrocracking. Differences in this new approach to mathematical modeling will let adequately describe dissipative mesocrack structures of various hierarchical levels of geodesy, predict dynamic changes, structures and mechanical properties of both rock samples and massif, which also lead to resource-i

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Uysal, T. "Economic analysis of rare earth element processing methods for Mountain Pass ore." Journal of the Southern African Institute of Mining and Metallurgy 122, no. 7 (2022): 1–6. http://dx.doi.org/10.17159/2411-9717/1989/2022.

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The increasing demand for rare earth elements (REE) in highly strategic sectors such as hybrid electric vehicles, renewable energy, communication technologies, and the defense industry has made REE production methods important. In recent years, studies on REE have increased rapidly; however there are many studies on REE, there are not enough studies in the literature on the economics of the beneficiation process. RE ores are generally leached after beneficiation by gravity, magnetic and flotation methods. In this study, direct leaching, attrition scrubbing and leaching, and flotation and leach

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Chen, Xuewen, Yuqing Du, Tingting Lian, Kexue Du, and Tao Huang. "Hot Workability of Ultra-Supercritical Rotor Steel Using a 3-D Processing Map Based on the Dynamic Material Model." Materials 13, no. 18 (2020): 4118. http://dx.doi.org/10.3390/ma13184118.

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As a new-type of ultra-supercritical HI-IP rotor steel, X12CrMoWVNbN10-1-1 alloy steel has excellent integrative performance, which can effectively improve the power generation efficiency of the generator set. In this paper, uniaxial thermal compression tests were carried out over a temperature range of 950–1200 °C and strain rates of 0.05–5 s−1 with a Gleeble-1500D thermal simulation testing machine. Moreover, based on hot compression experimental data and the theory of processing diagrams, in combination with the dynamic material model, a three-dimensional (3-D) thermal processing map consid

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Ha, Jeong Min, Jong Myeong Lee, Jeong Hoon Lee, Dong Sik Gu, and Byeong Keun Choi. "Signal Processing Method (HT and HHT) of AE for Complex Fault Detection." Materials Science Forum 762 (July 2013): 656–61. http://dx.doi.org/10.4028/www.scientific.net/msf.762.656.

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In the signal processing method, envelope analysis is a useful method to evaluate the rolling element bearing problems and Wavelet transform is a powerful method to detect faults occurred on gearboxes. However, exact method for AE signal is not developed yet. Therefore, in this paper, two methods, which are Hilbert Transform (HT) and Hilbert-Huang transforms (HHT), will be compared for development a signal processing method for early fault detection system by using AE. HHT has better advantages than HT because HHT can show the time-frequency domain result. But, HHT needs long time to process a

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Semenova, Elena, Nikita Kharin, Pavel Bolshakov, Anastasiya Ivanova, and Viktoriya Yaikova. "Automatic processing and analysis of the structural properties of bone tissue." MATEC Web of Conferences 329 (2020): 03077. http://dx.doi.org/10.1051/matecconf/202032903077.

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The volumetric distribution of bone tissue can be analysed in terms of orthotropic medium. In this case, it is important to define the orthotropic directions. Nowadays, computed tomography methods allow getting such information. The method for automation such analysis is presented. Firstly, the threshold of binarization should be calculated. Then the sample should be meshed and each element should be binarized. After that fabric tensor, eigenvalues, eigenvectors and fractional anisotropy can be calculated for each element. Statistical methods were used to analyse the field of the obtained data

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Hamam, Habib. "Rotation Invariant Parallel Signal Processing Using a Diffractive Phase Element for Image Compression." Applied Sciences 12, no. 1 (2022): 439. http://dx.doi.org/10.3390/app12010439.

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We propose a new rotation invariant correlator using dimensionality reduction. A diffractive phase element is used to focus image data into a line which serves as input for a conventional correlator. The diffractive element sums information over each radius of the scene image and projects the result onto one point of a line located at a certain distance behind the image. The method is flexible, to a large extent, and might include parallel pattern recognition and classification as well as further geometrical invariance. Although the new technique is inspired from circular harmonic decompositio

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Gong, Hai Jun, Xin Zhong Li, Xue Yi Fan, Da Ming Xu, and Jing Jie Guo. "Data-Conversion and Displaying for Numerical Simulation of EMCC with FEM-FVM-Joint Method." Advanced Materials Research 418-420 (December 2011): 563–66. http://dx.doi.org/10.4028/www.scientific.net/amr.418-420.563.

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Abstract. For efficiently performing the numerical simulation of electromagnetic continues casting (EMCC) with finite element method (FEM) and finite volume method (FVM) combined scheme, a program integrates with data-format conversion and post-processing was proposed. The conversion of data format realized by linear interpolating, and the post processor developed on a Visual Fortran 6.6A platform using Fortran-95 language and the QuickWin module. Both 2-D and 3-D EM-FEM data calculated by a general-purpose FEM software, ANSYS, could be converted into FVM-data format using this program, and al

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Li, Jun, and Zong Lin Wang. "Force Analysis of the Middle Wall in Multi-Arch Tunnel under Central Hole + CRD Method." Applied Mechanics and Materials 580-583 (July 2014): 1188–91. http://dx.doi.org/10.4028/www.scientific.net/amm.580-583.1188.

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arch tunnel construction in the presence of construction mechanics often unclear, the lack of systematic design and construction of the theory can learn. Harbin Clinic Road thesis double-arch tunnel project as the basis, the construction process through its hole + CRD using the finite element simulation analysis and on-site monitoring measurement data processing, engineering arch tunnel song used in the wall study the mechanical properties.

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Pan, Chong, Xinran Ba, Yuanhua Tang, et al. "Phased Array Antenna Calibration Method Experimental Validation and Comparison." Electronics 12, no. 3 (2023): 489. http://dx.doi.org/10.3390/electronics12030489.

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This paper investigates the calibration methods appropriate to the phased array calibration in practical measurement setups. The rotating element electric field vector (REV) method, fast amplitude-only calibration method, and complex amplitude calibration method are compared and analyzed in the same measurement setup. The objective is to investigate the robustness of the discussed algorithms with different measurement ranges, with or without the support of array element on/off operation. A 4×8 uniform rectangular array (URA) is used to validate the three different calibration methods. The meas

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Song, Chunhuan, and Hanshan Li. "An Acoustic Array Sensor Signal Recognition Algorithm for Low-Altitude Targets Using Multiple Five-Element Acoustic Positioning Systems with VMD." Applied Sciences 14, no. 3 (2024): 1075. http://dx.doi.org/10.3390/app14031075.

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To solve the problem in target acoustic signal processing and recognition when the target flies at a low altitude based on the acoustic positioning system, which is often affected by external interference and brings false information, this paper proposes a target signal processing and recognition algorithm for low-altitude target acoustic positioning based on variational modal decomposition and the test method of multiple five-element acoustic arrays. This algorithm uses VMD to decompose the target signal into modal components with different central frequencies and then performs wavelet thresh

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Wang, Xiao Lin, Wei Hua Han, Han Gu, Cun Hu, and Xing Xing Han. "Research on Rolling Element Bearing Fault Diagnosis Based on EEMD and Correlated Kurtosis." Applied Mechanics and Materials 680 (October 2014): 198–205. http://dx.doi.org/10.4028/www.scientific.net/amm.680.198.

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In order to extract the faint fault information from complicated vibration signal of bearing, the correlated kurtosis is introduced into the field of rolling bearing fault diagnosis. Combined with ensemble empirical mode decomposition (EEMD) and correlated kurtosis, a feature extraction method is proposed. According to the method, by EEMD processing a group of intrinsic mode functions (IMFs) are obtained, then the IMF with maximal correlated kurtosis is selected, and the weak fault signal is clearly extracted. The effectiveness of the method is demonstrated on both simulated signal and actual

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Gao, Ai Hua, Fu Rong Wang, and Jian Xin Zhang. "The Finite Element Simulation of Milling Based on Orthogonal Cutting Model." Advanced Materials Research 499 (April 2012): 208–12. http://dx.doi.org/10.4028/www.scientific.net/amr.499.208.

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The paper make the service life of relieving formed milling cutter as the optimization objective, proceed the simulation study on the mechanical degree of cutter, cutting data. The concrete method is that the orthogonal milling model is established to simulate the simulation milling process, some basic parameters which are obtained in the machining process are analyzed and discussed. The results indicate that the finite element simulation of the metal cutting processing can analyze quantitatively some physical properties, such as the cutting force, stress, strain and so on, the traditional way

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Xia, Lie Xiang, Yan Zhao, Yong Zhong Ma, and Xiao Ning An. "The Present Development Situation of Laser Ultrasonic Nondestructive Testing Signal Processing System." Advanced Materials Research 532-533 (June 2012): 369–73. http://dx.doi.org/10.4028/www.scientific.net/amr.532-533.369.

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Currently, laser ultrasonic nondestructive testing is the best application prospect of nondestructive testing methods. This paper expounds the mechanism and the qualitative analysis of the common defects of the laser ultrasonic inspection and introduces the application of matching pursuit algorithm guided wave testing technology in signal processing. This paper focuses on the laser ultrasonic detection system and analysis of the detected data using the finite element method.

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Tarkowski, Paweł, Ireneusz Malujda, Krzysztof Talaśka, Jan Górecki, Mateusz Kukla, and Dominik Wilczyński. "Recognition of Seat Elements during Production through Image Processing." Applied Mechanics and Materials 816 (November 2015): 35–42. http://dx.doi.org/10.4028/www.scientific.net/amm.816.35.

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The primary aim of the research, whose results are presented in this article, was to investigate the process of visual identification of objects. The objects recognised under this research were passenger seats for mass transit applications. The system presented in this paper is intended to be incorporated in the production process control system. The problem under analysis is based on the need to recognise (identify) an object located in the process area of the machine before proceeding with the process. Neural network was chosen as the adaptive element due to a high degree of similarity betwe

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Zhang, Xue Chen, Guo Hua Cao, and Feng Ming Nie. "The Application of Adaptive Kalman Filter Technology in Aspheric Surface Machining and Detection." Applied Mechanics and Materials 192 (July 2012): 42–45. http://dx.doi.org/10.4028/www.scientific.net/amm.192.42.

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The grinding machining parameters of large-caliber aspherics ultra-precision grinding processing depend on the analysis of online profile accuracy detection data .and the detection data has the second order of non-stationary characteristic . The research of second order of non-stationary data processing technique and isolate and reduce the random error of online detection data is key technology of ensure the precision of aspheric surface grinding accuracy . This paper proposed a parallel recursive identification of improved adaptive kalman filtering method , the simulation analysis and φ500mm

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