Sökning: "shells"

Visar resultat 16 - 20 av 126 avhandlingar innehållade ordet shells.

  1. 16. Dynamic Plate and Shell Equations Using Power Series Expansions - Applications Including Elasticity, Poroelasticity and Fluid Loading

    Författare :Anders Hägglund; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; approximate boundary conditions; series expansion; Biot equations; vibrations; cylindrical shell; dispersion curves; plate theory; thin shells; porous plate;

    Sammanfattning : Thin structures are used in a wide range of engineering applications. The subject of this thesis is the derivation of approximate equations for the dynamics of thin plates and shells using series expansion methods. LÄS MER

  3. 17. Dynamic Equations foe Spherical and Cylindrical Shells Using Power Series Method

    Författare :Reza Okhovat; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; power series.; surface differential operators; shell equations; eigenfrequency; anisotropy; Spherical shell; cylindrical shell; dynamics;

    Sammanfattning : Shells are commonly used in many branches of engineeringand have therefore beeninvestigated for a number of different types of shells.A shell can be considered as a curved plate having small thickness compared to the other geometrical dimensions as well as to the wavelengths of importance. LÄS MER

  4. 18. Dynamo modes in reversed-field pinch plasmas with conducting and resistive shells

    Författare :Gunnar Hedin; KTH; []
    Nyckelord :;

    Sammanfattning : .... LÄS MER

  5. 19. On the hydration of the proton : quantum-mechanical studies of the oxonium ion and its hydrogen bonded hydration shells

    Författare :Ragnar Grahn; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : .... LÄS MER

  7. 20. Experimental studies on the electronphoton interactions in the inner electron shells of heavy elements : Applications to nuclear spectroscopy

    Författare :Ziemowid Sujkowski; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : .... LÄS MER