Sökning: "Jonathan Westlund"

Hittade 3 avhandlingar innehållade orden Jonathan Westlund.

  1. 1. Modelling of ultrasonic testing for cracks near a non-planar surface

    Författare :Jonathan Westlund; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Ultrasonics; BIEM; Elastic waves; Nondestructive testing; Crack; BEM.;

    Sammanfattning : Nondestructive testing using ultrasound has important applications in e.g. the nuclear power and aerospace industries, where it is used to inspect safety-critical parts for flaws. LÄS MER

  3. 2. On the modelling of ultrasonic testing using boundary integral equation methods

    Författare :Jonathan Westlund; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Boundary element method; Regularization; Ultrasonics; Boundary integral equation method; T matrix.; Elastic waves; Nondestructive testing; Scattering;

    Sammanfattning : Ultrasonic nondestructive testing has important applications in, for example, the nuclearpower and aerospace industries, where it is used to inspect safety-critical parts for flaws.For safe and reliable testing, mathematical models of the ultrasonic measurement systemsare invaluable tools. LÄS MER

  4. 3. E-government and E-governance : Local Implementation of E-government Polices in Sweden

    Författare :Irene Bernhard; Hans Westlund; Jonathan Metzger; Sara Eriksén; KTH; []
    Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; e-governance; e-government; implementation; policy entrepreneurs; municipal contact centres; policy networks; New Public Management; Sweden; Planering och beslutsanalys; Planning and Decision Analysis; Informatik;

    Sammanfattning : It is recognized in international research that the public sector has been transformed into a networked, open and more flexible, informal and interactive governance structure. This is described as a transition from “government to governance”. Sweden is one of the international leaders with regards to e-government development. LÄS MER