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  • What designers should know about Thermal Analysis
    in other ways as well. SIMILARITIES. Let's start with thermal analyses. The primary unknowns are temperatures at nodes of the finite-element mesh. Temperature is scalar so it needs only one degree of freedom at each node, whether the model is 2D or 3D and regardless what elements mesh the model. Once
  • Designers intro to FEA, Part II
    than their X, Y, and Z components," he says. Stresses in 3D models are tensors and so have six components: three normal and three shearstress components. "A scalar-stress measure called von Mises is often used to generate stress plots. Von Mises stress takes the magnitudes of all six stress components
  • Sorting out stress tensors
    . After all, stress is basically defined as: = area. This seems to be the same as pressure, but pressure is scalar, that is, a. Sorting out stress tensors | Machine Design. Skip to Content. Home. Subscribe. Advertise. Contact. RSS. E-mail: * Password: *. Create new account. Request new password
  • Diagnostics based on the Statistical Correlation of Sensors (.pdf)
    quantifies the correlation between sensor signal pairs using real-time scalar metrics based on the Mahalanobis-distance concept. Microsoft Word - PaperNumber08AE-267_SessionAE5_StatisticalSensorDiagnostics_SDSilva.doc SAE TECHNICAL. PAPER SERIES. 2008-01-0129. Diagnostics based
  • Designers introduction to FEA
    temperatures. "These scalar entities need only one component or one degree of freedom a temperature. This is true whether the model is 2D or 3D, and regardless of element type. Temperatures are then interpolated over elements to calculate a temperature field," he says. The field is differentiated
  • Field-oriented control for motors
    motorcontrol hardware was inflexible, lacking provisions for modifying it to better fit an application. Older motor-control schemes relied on scalar motor control with power semiconductors. Scalar control varies a generated sinusoidal wave's frequency along with its voltage. Feedback, when used
  • Diffraction, Fourier Optics and Imaging - Preface
    of wave propagation. Initially waves are described. generally, covering all types of waves. Then, the chapter specializes into. electromagnetic waves and their properties, with special emphasis on plane waves. The next four chapters are fundamental to scalar diffraction theory. Chapter 4. introduces
  • MICRO: Advanced Process/Equipment Control
    to providing the same kind of factory control information as the SECS/GEM interface, the new standards can support the collection of detailed sensor and operational data at the bandwidths needed for on-line monitoring and diagnostics (e.g., 1000 scalar values per tool and a total of 10,000 samples per second

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