Bessel Point Support

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Airy Points and Bessel Points — Engineering Notes

    https://www.engineeringnotes.org/metrology/airy-points-and-bessel-points/
    Airy points and Bessel points are commonly used in precision engineering to support bodies. These two points define the location where a support has to be placed to minimise distortion. Airy points and Bessel points are commonly used in precision engineering to support bodies.

Airy Points, Bessel Points, Minimum Gravity Sag, and ...

    http://www.mechanicsandmachines.com/?p=330
    Bessel points are the support points which minimize the change in length of the beam. A beam will undergo a length change as it bends given by The Bessel points are located at 0.2203 L from each end.

Bessel points Mechanics and Machines

    http://www.mechanicsandmachines.com/?tag=bessel-points
     The answer depends on the desired objective.  Below we describe some of the most common support locations:  Airy points, Bessel points, minimum deflection, and nodal points.  It turns out that these points are relatively close to each other for the uniform beam.  The …

Airy points - Wikipedia

    https://en.wikipedia.org/wiki/Airy_points
    To support a line standard, one wishes to minimise the linear, rather than angular, motion of the ends. The Bessel points (after Friedrich Bessel) are the points at which the length of the beam is maximized. Because this is a maximum, the effect of a small positioning error is proportional to the square of the error, an even smaller amount.

BESSELK function - Office Support

    https://support.office.com/en-us/article/BESSELK-function-606D11BC-06D3-4D53-9ECB-2803E2B90B70
    The n-th order modified Bessel function of the variable x is: where Jn and Yn are the J and Y Bessel functions, respectively. Example. Copy the example data in the following table, and paste it in cell A1 of a new Excel worksheet. For formulas to show results, select them, press F2, and then press Enter.

Bessel functions of the first kind - MuPAD

    https://www.mathworks.com/help/symbolic/mupad_ref/besselj.html
    besselJ(v, z) represents the Bessel functions of the first kind: The Bessel functions are defined for complex arguments v and z. A floating-point value is returned if either of the arguments is a floating-point number and the other argument is numerical. For most exact arguments the Bessel functions return an unevaluated function call.

BESSELJ function - Office Support

    https://support.office.com/en-us/article/BESSELJ-function-839CB181-48DE-408B-9D80-BD02982D94F7
    This article describes the formula syntax and usage of the BESSELJ function in Microsoft Excel. Description. Returns the Bessel function. Syntax. BESSELJ(X, N) The BESSELJ function syntax has the following arguments: X Required. The value at which to evaluate the function. N Required. The order of the Bessel function.

에어리점(Airy points)과 베셀점(bessel point) : 네이버 블로그

    http://m.blog.naver.com/ezcmm/110151863636
    Bessel points are used for two-point support, and minimize the change in the overall length.

Bessel beam - Wikipedia

    https://en.wikipedia.org/wiki/Bessel_beam
    The properties of Bessel beams make them extremely useful for optical tweezing, as a narrow Bessel beam will maintain its required property of tight focus over a relatively long section of beam and even when partially occluded by the dielectric particles being tweezed.

Support, Support Requests, Training ... - Check Point

    https://supportcenter.checkpoint.com/
    This release provides support for the Endpoint Security Clients on macOS Catalina (10.15). New! Check Point Endpoint Security E82.30 Windows Clients is now available. This release includes enhancements under various categories such as Compliance, Firewall and Application Control, Anti-Ransomware, Behavioral Guard and Forensics, and Installation.



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