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294835 Suchergebnisse für:

Simulation + Calculation 

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  1. 2024 | OriginalPaper | Buchkapitel

    Reliability Simulation Calculation and Analysis Method of Digital Diagnosis and Treatment Equipment

    Reliability simulation calculation and analysis method refers to that in the design stage, with the help of professional simulation analysis software tools, the thermal stress, vibration stress and durable life models of products are established …

    verfasst von:
    Xiuqing Li, Jun Gao, Wen Li
    Erschienen in:
    Reliability Engineering Technology of Digital Diagnosis and Treatment Equipment (2024)
  2. 2024 | OriginalPaper | Buchkapitel

    Ab Initio Calculations in the CALPHAD Methodology, the Quantic Simulations: Slight Description and Use in CALPHAD

    Numerical simulations have won a nice place in the physical sciences.

    verfasst von:
    Jean-Claude Tedenac
    Erschienen in:
    Thermodynamics of Crystalline Materials (2024)
  3. 2024 | OriginalPaper | Buchkapitel

    Current Control Calculation and Simulation Analysis of Urban Railway Traction System

    In the urban railway industry, the stability and reliability of the permanent magnet motor control in urban railway vehicles is very important to the traction system and the overall vehicle operation. Control, so that the output of the inverter …

    verfasst von:
    Yilin Wang
    Erschienen in:
    Proceedings of the 6th International Conference on Electrical Engineering and Information Technologies for Rail Transportation (EITRT) 2023 (2024)
  4. 2024 | OriginalPaper | Buchkapitel

    Calculation Methods: Monte Carlo Simulations and Ab Initio Calculations

    In this chapter, I have given the description of Monte Carlo simulations and Ising model. The Metropolis algorithm has been detailed. The Ab-initio calculations have been given. The several approximations such as: Born–Oppenheimer Approximation …

    verfasst von:
    Rachid Masrour
    Erschienen in:
    Magnetoelectronic, Optical, and Thermoelectric Properties of Perovskite Materials (2024)
  5. 27.02.2024 | Online First

    The carbon emissions calculation, decomposition and peak scenario simulation of meat, egg, and milk in China: from a production and consumption perspective

    Characterizing and quantifying livestock carbon emissions helps mitigate temperature rise and potential climate risks. Here, the spatial and temporal characteristics of China’s carbon emissions of meat, egg, and milk are analyzed from the …

  6. 2024 | OriginalPaper | Buchkapitel

    The Roof Cable Terminal Simulation Calculation Study Based on Electric-Thermal Coupling Physical Field

    The roof cable accessories of the motor train unit are affected by various factors such as electricity, heat and airflow. Conducting simulation and calculation research based on electric-thermal coupled can effectively guide product development.

    verfasst von:
    Xuefei Li, Liankang Zhang, Jingbing Wang, Jiaxing Wang, Guochang Li
    Erschienen in:
    The Proceedings of 2023 4th International Symposium on Insulation and Discharge Computation for Power Equipment (IDCOMPU2023) (2024)
  7. 2024 | OriginalPaper | Buchkapitel

    Perlite Pressure Calculation and Finite Element Simulation Study of LNG Storage Tank

    Because perlite has good cold insulation effect and is widely used in LNG full capacity tanks, in this paper, the final perlite lateral pressure can be obtained by repeated iterative calculation using Janssen formula, and the perlite lateral …

    verfasst von:
    Xu Chen, Juan Su, Shuqian Tong, Ye Chen, Cheng Chen
    Erschienen in:
    Computational and Experimental Simulations in Engineering (2024)
  8. 2024 | OriginalPaper | Buchkapitel

    Comparison of Daylight Levels Using Simulation Calculation Tools

    The focus of this article is the evaluation of light comfort in a specific attic space. Windows located in the perimeter wall as well as the roof contribute to ensuring this comfort. The objective of this study is to assess and compare the impact …

    verfasst von:
    Erika Dolníková, Dušan Katunský, Zuzana Dická
    Erschienen in:
    Proceedings of CEE 2023 (2024)
  9. 26.04.2024 | Online First

    An Effective Approach of Attractor Calculation for Boolean Control Networks

    Boolean networks have rich dynamics properties widely used in modeling and investigating circuit design, artificial intelligence, biological research. Generally, a gene regulation network is not independent. It interacts between external networks …

  10. 2024 | OriginalPaper | Buchkapitel

    Novel Quaternion Orthogonal Fourier-Mellin Moments Using Optimized Factorial Calculation

    This paper provides an in-depth discussion on the application of quaternion orthogonal Fourier-Mellin Moments (QOFMM) in the field of digital image processing, and proposes a novel method of factorial operation aiming to optimize its computational …

    verfasst von:
    Chunpeng Wang, Long Chen, Zhiqiu Xia, Jian Li, Qi Li, Ziqi Wei, Changxu Wang, Bing Han
    Erschienen in:
    Digital Forensics and Watermarking (2024)
  11. 19.04.2024 | Online First

    Numerical Calculation of Ignition of Wooden Structures by Heated Particles

    A mathematical model of the ignition of wooden structures by “hot” particles is proposed. The spatial problem is considered in a three-dimensional formulation in Cartesian coordinates. It was found that the ignition of wood is determined by the …

  12. 01.12.2023 | OriginalPaper

    Exploring the Key Mechanism of Superlubricity Behavior of DLC Film in Vacuum Environment Based on First-Principles Calculations and Molecular Dynamics Simulation

    The key mechanisms for the superlubricity of the DLC film in a vacuum environment are considered to be the formation of graphitization at the friction interface and the carbon dangling bonds on the surface of the H-passivated film. However, how …

  13. 2024 | OriginalPaper | Buchkapitel

    Numerical Calculation of Contact Resistance of Electromagnetic Railgun

    The armature-rail contact resistance is generally considered to reflect the contact state of the armature and the rail during the launch process of the electromagnetic railgun. However, due to the extremely short time of the armature acceleration …

    verfasst von:
    Kairan Shao, Weiqun Yuan, Ping Yan
    Erschienen in:
    The Proceedings of the 18th Annual Conference of China Electrotechnical Society (2024)
  14. 2024 | OriginalPaper | Buchkapitel

    Erosion Calculation in Francis Turbine

    The rotating runner of a Francis turbine is chosen as a reference case for this chapter. The software used for the CFD calculations is OpenFOAM-8 (v8), but other versions can also be chosen. The solver adopted for steady calculation of erosion is …

    verfasst von:
    Zhiwei Guo, Sailesh Chitrakar, Zhongdong Qian, Bhola Thapa
    Erschienen in:
    Design of Francis Turbine and OpenFOAM Methods (2024)
  15. 2023 | OriginalPaper | Buchkapitel

    Computational Methods: Ab Initio Calculations and Monte Carlo Simulations

    To describe the electronic structure and find the physical properties of a system with several nuclei and electrons, one must solve the fundamental equation of physics established in 1925 by Erwin Schrödinger and which is written as.

    verfasst von:
    Rachid Masrour
    Erschienen in:
    Electronic, Magnetic, and Thermoelectric Properties of Spinel Ferrite Systems (2023)
  16. 02.04.2024 | OriginalPaper

    Numerical calculation of the phase of complex acoustic impedance of air in a cylindrical closed volume

    The paper discusses one of the aspects of calibration of the equipment for measuring acoustic pressure in air. To measure complex sensitivity of LS-type microphones during primary pressure calibration (by using a reciprocity or a pistonphone …

  17. 22.03.2024 | OriginalPaper

    An optimized calculation method of the grinding wheel profile for the helical flute forming grinding

    The forming grinding process is a crucial method for helical flute grinding of the end mill and screw tap, and the grinding wheel profile is the key to ensure the precision of the helical flute, which is constrained by the grinding wheel posture.

  18. 01.03.2024 | OriginalPaper

    Thermoelectric Properties of BeO and MgO Monolayers from First-Principles Calculations

    Monolayers of a 2D material have received a lot of attention for application in nanotechnology since the discovery of graphene [ 1 ] because of its unique physical properties, such as their unique structure, abundance of surface active sites and …

  19. 13.04.2024 | Online First

    A New Combined Mining Method: The Stope Limit Length Calculation of Considering Bulk Support Boundary

    To tackle the technical challenges of medium-depth mining in sharply inclined medium-thickness ore bodies, the concept of an induced caving crown pillar was introduced, which led to the development of temporary crown pillar-induced caving …

  20. 2024 | OriginalPaper | Buchkapitel

    Calculation of Electric Field Distribution of the 66kV XLPE Cable Middle Joints

    This article uses ANSYS Maxwell software to establish a calculation model and simulate the electric field at the silicone rubber middle joint of 66kV XLPE cable. The simulation steps include modeling, dividing regions, meshing, setting boundary …

    verfasst von:
    Runzhong Miao, Weiwei Liu, Hepeng Gao, Xinyi Liu, Pinyin Gao
    Erschienen in:
    The Proceedings of the 18th Annual Conference of China Electrotechnical Society (2024)

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