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Gradient, divergence, and Laplacian operators for cartesian, cylindrical, and spherical geometry

Posted by Syeilendra Pramuditya on January 24, 2010

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4 Responses to “Gradient, divergence, and Laplacian operators for cartesian, cylindrical, and spherical geometry”

  1. itu simbol di atas nabla yg mirip huruf w maksudnya apa ya?

    Syeilendra says
    oo itu gara2 di convert jd epaper sama scribd, coba liat file doc aslinya deh, sip🙂

  2. bayu said

    kenapa pemisalannya B=Bx+By+Bz?? berarti nantinya d(fluks)2/dx2 =-Bx, kenapa bukan d(fluks)2/dx2 =+Bx.Mohon penjelasan rincinya(alasan fisisnya)???

    Syeilendra said..
    maksudnya operator yg mana n geometri yg mana?

  3. bayu said

    sya membaca di bku glasstone, materinya diffusion-length experiment. Laplacian( φ) = 1/L^2…….pemisalannya φ(x, y, z) = X(x)Y(y)Z(z). nah saat pemisalan (d^2 X(x) )/X(x) + (d^2 Y(y) )/Y(y) + (d^2 Z(z) )/Z(z) = 1/L^2. untuk (d^2 X(x) )/X(x) = -k1^2 ,
    (d^2 Y(y) )/Y(y) = -k2^2……tetapi untuk pemisalan (d^2 Z(z) )/Z(z) = +k3….kenapa bukan -k3???
    tolong yah mas dijawab !!!!!

    Syeilendra said..
    Coba pakai bukunya Duderstadt, biasanya lebih mudah dipahami dibanding Glasstone

  4. bayu said

    semakin belajar Fisika reaktor semakin mumet mas…hehhehehe…Tp salkan da yg Ngajarin semngatnya Muncul lgi….🙂 mungkin kesringan bca bku reaktor pertnyaan sya jdi nambah nih mas..
    1) beda antara neutron life time dengan generation time pa yah???
    2) maksud dari spektrum energi neutron yang mengeras(Harden) itu apa yah???

    Syeilendra said..
    Penjelasannya ada di buku Nuclear Reactor Analysis (Duderstadt-Hamilton)

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